Price: $214.67

Timbren Rear Suspension Enhancement System

Item # TTORTUN4L

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Product Images

timbren vehicle suspension sway sag uneven load occasional towing and hauling rear enhancement system
timbren vehicle suspension rear axle enhancement sway sag uneven load system
timbren vehicle suspension rear axle enhancement sway sag uneven load system
timbren vehicle suspension jounce-style springs sway sag uneven load ttortun4l
timbren vehicle suspension rear axle enhancement occasional towing and hauling system
timbren vehicle suspension rear axle enhancement sway sag uneven load system
timbren vehicle suspension rear axle enhancement sway sag uneven load ttortun4l
timbren vehicle suspension rear axle enhancement sway sag uneven load system
timbren vehicle suspension rear axle enhancement occasional towing and hauling dimensions
timbren vehicle suspension jounce-style springs sway sag uneven load dimensions
timbren vehicle suspension jounce-style springs sway sag uneven load ttortun4l

Customer Photos

timbren vehicle suspension rear axle enhancement sway sag uneven load ttortun4l
timbren vehicle suspension jounce-style springs sway sag uneven load ttortun4l
timbren vehicle suspension jounce-style springs sway sag uneven load dimensions
timbren vehicle suspension rear axle enhancement sway sag uneven load ttortun4l
timbren vehicle suspension rear axle enhancement sway sag uneven load system

Videos


  • Timbren
  • Sway
  • Vehicle Sag
  • Uneven Load
  • Jounce-Style Springs
  • Rear Axle Suspension Enhancement
  • Standard Duty
  • Occasional Towing and Hauling
The best technical support and full vehicle suspension installation instructions. Lowest price Tacoma vehicle suspension guarantee and expert service. Toyota Tacoma, 2012 vehicle suspension by Timbren are available from etrailer.com. For expert service call 800-298-8924 to order your Timbren Rear Suspension Enhancement System part number TTORTUN4L, or order online at etrailer.com.



2012 Toyota Tacoma - Timbren Rear Suspension Enhancement System

3,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your Toyota Tacoma. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.


Features:

  • Improves suspension, handling and safety
  • Provides additional support as needed so you always have a smooth, comfortable ride
    • Allows the leaf spring ample movement while cushioning light loads
      • Does not affect the empty ride of the Toyota Tacoma
    • Becomes more rigid as more weight is added
      • Increases stability - providing great performance while hauling heavy loads
      • Reduces Toyota Tacoma sag
  • Works independently - side-to-side
    • Helps compensate for off-center loads
    • Reduces body roll when swerving and turning corners
  • Acts as shock absorbers, taking the brunt of bumps and rough roads
    • Extends the life of your Toyota Tacoma's suspension


Specs:

  • Includes 2 Aeon hollow rubber springs, Toyota Tacoma-specific brackets and hardware for simple installation
    • Replaces axle bump stops on frame
    • No drilling required
  • Capacity: 3,000 lbs
    • Do not exceed the Toyota Tacoma's weight-carrying capacity
  • Designed to work with a suspension system that is in good working order
  • Limited lifetime warranty - satisfaction guarantee


Reduced rear axle sag with Timbren suspension enhancement

Whether you're hauling heavy loads in your bed or cargo area or towing a trailer, you will often see the rear of your Toyota Tacoma sag while the front end rises. In these cases, the rear axle is handling not only the weight of the cargo, but also more of the vehicle's weight. Because less weight is on the front axle, the front tires are making less contact with the road. Overall handling - traction, steering, and braking - is negatively affected. But the resistance from Timbren's Suspension Enhancement System works with your factory suspension to keep your vehicle level and improve your driving experience.


Diagram of the Timbren spring installed

The Timbren system comes with custom-fit brackets that are bolted onto each frame rail above your rear axle. Hollow rubber springs are bolted to the bottom of the bracket and hang down to where the bottom of the leaf spring sits, 1" above the axle. The inch of clearance allows the existing factory suspension to operate normally under light loads and standard terrain, ensuring the smooth, comfortable ride that you are used to.


Action of a standard Timbren rubber spring

Timbren Suspension Enhancement Systems are designed to work progressively. When the hollow rubber springs are compressed, the convoluted design causes them to quickly collapse along the folds. Once the folds are compacted, the stacked barrel shape increases resistance, stiffening the suspension and keeping your Toyota Tacoma level.


Timbren suspension system works to prevent body roll

Each hollow rubber spring works independently to support the driver's-side or passenger's-side of your Toyota Tacoma. This is helpful when you swerve or make sharp turns. Each spring is activated when it is needed, so body roll is greatly reduced. The independent action also works well when you are hauling off-center loads.


Trailer swaying as it is towed behind a truck

Because your vehicle handles better with the springs, less turbulence will be passed along to the trailer and this helps to keep the trailer in line. Your driving comfort is further enhanced if the trailer does begin to sway (from a gust of wind or a passing semi) because the movement from the trailer is not transferred to your vehicle. This also works to make the sway subside more quickly.


An empty truck on a bumpy road without Timbren SES

Another great feature of the rubber construction is that the springs absorb most of the road shock, creating a smoother, more stable ride overall. Wear and tear on the factory suspension is also lessened because the rubber springs work to prevent bottoming out on rough roads.


Timbren Suspension Enhancement Compared to the Competition

Timbren's Suspension Enhancement Systems are much easier to install than air springs - there are no air hoses to run, no compressors or gauges to hook up, and no manual adjustments to make. The rubber construction makes Timbren's springs more elastic than similar products constructed of microcellular urethane. And more elasticity allows for a more comfortable ride because the rubber has more travel.



TORTUN4L - Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren



TTORTUN4L Installation InstructionsInstallation Details TTORTUN4L Installation instructions

Video of Timbren Rear Suspension Enhancement System


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Timbren Vehicle Suspension TTORTUN4L Review

Today we will be reviewing part number TTORTUN4L. This is the Timbrand Rear Suspension Enhancement System. It is designed to improve suspension, handling and safety. These are going to be vehicle specific, so to make sure they are going to fit your particular year, make and model, you can refer to the vehicle list at the bottom of the product's product page. It's going to provide additional support as needed so you always have a nice, smooth, comfortable ride. It's actually going to allow the lead springs plenty of movement while cushioning light loads. It will not affect the empty ride of the vehicle.

It is designed to become more rigid as more weight is added, which is going to increase stability. It's also going to reduce vehicle sag. Overall it's going to provide better performance while hauling heavy loads. They are designed to work independently, side to side, so it's going to help compensate for off-center loads. It's also going to help produce body roll when swerving and turning corners.

They actually act as shock absorbers, taking the force of bumps and rough roads, which is also going to help extend the life of your vehicle's suspension system. It's going to include the 2 hollow rubber springs, the vehicle specific brackets, and all the hardware that's necessary for a simple installation. They are designed to replace the axle bump stops on your frame. For the installation, no drilling is required. They are going to offer a capacity of 3,000 pounds, but you want to be careful not to exceed the vehicles' weight carrying capacity. They are designed to work with a suspension system that's in good working order. So the way that they install is that you will have to loosen the axle U-bolt and remove the existing bump stop. Then you are going to mount this portion to the axle and the U-bolts are going to go over the flat portion here, right at the base of those wings.

That's going to help distribute and also keep the U-bolts in place. Once you have that on there, you are going to tighten the U-bolts back down. Now the hardware on this system is designed to be installed from the bottom, going up. So the head of the bolt has an Allen tool designed to it, so you will need to use an Allen key or an Allen tool to get it tightened down properly. There is going to be a washer located on the inside of the spring here. So you can see that there, peaking in there.

The washer is already installed, so you want to make sure that the washer is lined up with the mounting hole. It's going to set on that portion there. Again, the hardware is going to come up through the slots, making sure that it goes through the washer. Then you are going to install the lock nut through the larger hole here, making sure it goes down all the way on top of that bolt. So you may need to use an extension for your socket wrench to reach all the way down there and get that seated correctly. Now the actual bump stop, or the spring, is going to give us an overall length of about 3-5/8". That's going to do it for our review of part number TTORTUN4L. This is the Timbrand Rear Suspension Enhancement System. .


Customer Reviews

Timbren Rear Suspension Enhancement System - TTORTUN4L

Average Customer Rating:  4.7 out of 5 stars   (1032 Customer Reviews)

3,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your Toyota Tacoma. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.

- TTORTUN4L

by: Dan S.07/30/2013


The order and shipping process was flawless -- the Timbrens arrived exactly when E-trailer said they would. An hour after they got here, I had them completely installed. As of this date (7/30/13), the posted instructions (and the ones that came with the Timbrens) are not quite correct for a new Tacoma, as I verified with a Timbren tech. (These are Tacoma-specific issues -- they may not apply to other trucks.) Do not jack the truck up. I ran the back tires up onto blocks (to give myself more room underneath) and set the parking brake. I put a jack stand under the differential -- probably not needed. I crawled under and did one side at a time -- loosen the u-bolts, remove the old bump stop, stick in the new Timbren, and tighten. Not technically demanding at all. My crawler dolly was very helpful. Some tips: use a 9/16 socket with an extension to put the nut onto the bolt inside the Timbren rubber spring and then tighten the bolt with an Allen wrench. When loosening the Tacoma's u-bolts, use a 3/4 socket. Depending on the clearance between the leaf springs and the frame, you may need to remove one side of the u-bolt assembly to install the Timbren because the angle of the baseplate is greater than the angle of the OEM bump stop. I was told that the u-bolt nuts on a Tacoma should be re-tightened with a torque wrench to about 70 foot/pounds. I found it a little tiring to lay on my back and torque the nuts, but then again I am verging on elderly. A young person in decent shape should have no trouble. I don't know yet if the Timbrens will help my saggy rear end when I am towing a trailer, but others have said that this will be very helpful. This is my second major purchase from E-trailer -- I am impressed with their selection, service, and pricing. 92404


Comments

After a year or more of hard use, the product is still going strong thanks for asking!

Dan S - 01/29/2015

9065

- TTORTUN4L

by: Rick S.08/20/2012


2010 Nissan Frontier with Timbren suspension components. Trailer is a Jayco X17Z with close to 450lbs of tongue weight. Pictures are a before and after view of the rear suspension droop. 52393


Comments

Since the Timbren install we have towed the camper on back roads with stop and go traffic as well as on the highway at 65 mph. The Pro4X does ride level and handles the added weight well. I wish I had a longer wheel base and a tandem axle trailer as on occasion we develop a slight up and down oscillation until the suspension settles down. It is noticeable when driving over long bridges. This is mainly due to the truck setup and not the Timbrens. We had this problem before the install and the Timbrens are making a difference.I have also hauled an estimated 780 lbs of hardwood flooring in the bed at 65mph and the truck handled it with no problem. It remained level and stable.

-- comment by: Rick S - 01/29/2013

930

You might be able to adjust the tongue weight of the trailer and get that oscillation to settle. You want your tongue weight to be about 10-15% of the trailer total weight. Also if the trailer does not ride level, looking into getting a different drop length ball mount that will get the trailer level or even slightly nose down.

-- Patrick B - 2/8/2013


- TTORTUN4L

by: Dennis O.01/18/2015


These spring stops seem like a heavy duty quality product. Very easy installation on my 13 Nissan Frontier by jacking up vehicle under shock mounts and removing tire, then clean area with compressed air and remove clamp nuts with air gun (if owned) remove old stops and install new stops and retighten nuts. I have about 1/2" to 3/4" clearance as advertised. Have not been able to haul anything yet but am sure they will help greatly. Also do one tire at a time (Safety) sorry no pictures. etrailer was quick to process and ship order. Great Business. Thanks etrailer Dennis O. 170343


Comments

Still working great!!

Dennis O - 01/18/2016

16468

- TTORTUN4L

by: Joe D.11/11/2013


I purchased this kit to keep my 2013 Toyota Tacoma Double Cab Short Bed from bottoming out when it has a load in the bed. It really did the trick as well as improved the stability with or without a load. The only down side is that the suspension is much more stiff without a load in the bed. It took some getting used to, but after having them on for a couple months, it doesn't bother me. 106946



- TTORTUN4L

by: ACS08/11/2014


I can't speak to ease of installation, I have a buddy with a car shop and it's just as easy to let him do it. As for ride with and without a load, this does what it says it will. Squat on my 2013 Nissan Frontier was greatly reduced when towing. There is a definite 'gallup' when you hit a small pot hole or bump in the road when under load, but it quickly fades away. I recommend these if you need occasional support but don't want to sacrifice unloaded ride. 145946



- TTORTUN4L

by: Ian F08/14/2017


I put these on my 2014 Nissan Frontier SV (long box). Overloaded the truck for a move from Alaska to Michigan (3,000+ miles, took the long way to hit up all the national parks). Great ride all the way. Down side to not being adjustable, like airbags, it bucks when riding empty but I don't care. Note for installing, just because mount is centered on leaf spring does not mean it meets the frame/plate on center. Mount accordingly. 419997



- TTORTUN4L

by: Todd L08/20/2017


I feel better knowing that these are on my vehicle. I do not tow often so I felt this item was better for me than a air ride suspension. I am happy with my purchase. Easy to install maybe 20 minutes and I was done. Bigger than stock help support weight of my camper better. etrailer customer service was very friendly and helpful with my purchase. 422943



- TTORTUN4L

by: Steve W.10/07/2014


Everyone told me to use super springs to help handle the extra weight from my truck camper,so I bought them- What a WASTE of my money! A neighbor told me about your product, so I purchased a set - They are great! They work perfectly! My Nissan Frontier handled great. I love these things! Easy to install and they don't affect my ride or handling. 155075



- TTORTUN4L

by: Tami B.01/29/2017


It was a pleasure doing business with etrailer. What I am not happy about is the cost of this product. I searched on line and the price was the same on many sights. Unreal, for a set of two rubber kongs, you know the the toy dogs play with. That said, I have used this product before and am happy with them. Just not the exorbitant price. 336599



- TTORTUN4L

by: Paul V08/16/2012


Product is excellent. From the time I took the parts out of the box until the time I lowered the truck of the jack it only took me 45 minutes to complete the installation. Easy to install with only a few basic tools. The truck no longer sways around corners. It may ride a little stiffer but barely noticible. Well worth the price. 51870



- TTORTUN4L

by: Mike L.06/16/2017


As a life long mechanic (retired), I've installed quite a few Timbren's on customer's trucks and now on my own. What does that say for the product? It speaks for itself but I'll say it. I'm very pleased with them, they work as advertised. Thank you Timbren. 2011 Nissan Frontier Pro 4X edition. 394887



- TTORTUN4L

by: Charlie P06/14/2016


Bought this product for a 2012 Nissan Frontier. The installation and product is a little different than for most vehicles but the online information was good enough for me to pick the right product. Delivery was quick and installation was easy. Haven't load tested the product, yet. 261181



- TTORTUN4L

by: Jeremy01/30/2013


Found these very easy to install on my 2005 Tacoma. The back end was beginning to sag some from overloading so added a helper spring to give the Timbrens some clearance and these fit in as designed. With a loaded 16' equipment trailer, the truck rides level and smooth. 64558



- TTORTUN4L

by: David03/05/2013


Fairly easy to install. Haven't had a chance to try it out with a load yet but looking forward to it. Better than adding a leaf and raising it up and nothing to maintain like an air system would have. etrailer customer service is top of the line. 69032



- TTORTUN4L

by: Rob03/29/2012


2009 Tacoma, rear supports, easy install, jack it up, take off wheeel, remove 1 u bolt holding leaf spring and loosen the other, remove old bumper and slide in a new one, tighten & you're done. 35471



- TTORTUN4L

by: atlasb06/08/2017


Got the Parts really quick. Installed this morning . Took longer to find the Nissan torque specs for the bolts than to install the parts. Another great experience with etrailer. 390697



- TTORTUN4L

by: John W05/09/2013


Seems like a good product, haven't pulled trailer yet. But unloaded drives well. Tell people that they need a 5.5 mm allen wrench & impact wrench to make install smoother. 79630



- TTORTUN4L

by: Dave L08/24/2016


Awesome product, does exactly what it's designed to do. I would recommend this product to anyone that owns a truck and loads their truck bed with heavy stuff periodically. 287249



- TTORTUN4L

by: Scott K09/14/2017


Easy installation and now allow me to carry loads in my pickup without the headlights shining up into the air and not on the highway. 432271



- TTORTUN4L

by: Barry M09/16/2014


Great product. Allows me to pull my trailer without excessive suspension play. Works great. 151550



- TTORTUN4L

by: Jeff R08/08/2014


easy installed !! have not take pickup out and test it with enclosed trailer. 145388



- TTORTUN4L

by: Cesar12/02/2011


great product i installer on a 2005 Nissan Frontier works great 27534



- TDR1500DQ

by: Ron L.05/10/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Hello Patrick....I have attached the Timbren product to my 2012 Dodge Ram and am very impressed with the product. E-Trailer answered my question that I needed to know if the Timbren product would take the squat out of my truck when I hook up my 5th wheel rv. The proof is in the attached pictures I took to share with you and potential customers. Your customer service & product knowledge is outstanding and that is why I am a faithful customer. As far as the installation of the product, I could not find an easier thing to do....It's harder to change a light bulb! Of course your installation video was very informative which made things a lot easier. 79715


Comments

Helped make my decision a no brainer....thanks for the pics they sealed the deal.

-- comment by: James T - 06/14/2013

1641
Comments

Fantastic....The truck drives like a dream! If and when I hit any potholes or bumps, of course you still feel them, but the control is there with no fish tailing. As far as pulling my 5th wheel, it feels like everything is one unit and floats right along!

Ron L - 05/10/2014

4055
Comments

thanks Ron. Great information and you helped me with my decision.

-- comment by: Mike L - 12/28/2014

8252
Comments

Very good illustration and explanation. I have a 5th wheel and am experiencing the squat problem. Question: Is the installation strictly a friction fit or do I have to install a bolt with nut?

-- comment by: John T - 05/09/2015

11538
Comments

For John T. They are a friction fit, installed mine in less than 15 min. Slight harder ride when unloaded, but they work perfectly for carrying the load of the trailer. Highly recommend.

-- comment by: Tony O - 05/27/2015

12084
Comments

Ive been debating pulling a fifth wheel with a 1500. What size trailer do you have? What is the weight and pin weight, if you dont mind me asking?

-- comment by: Travis - 03/15/2016

17113

- TFRTT1525

by: Eduardo04/05/2016

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


The Timbren rear suspension enhancement system did help my 2003 Ford F-150 a lot, I am extremely satisfied with the product and the rest of other products I purchased before from www.etrailer.com . It was an easy set up that didn't take more the 20 mins. to install. I will definitely recommend it and will continue to shop from this place, customer service is a big +, I'm really happy with them. 243021



- TMRMPV

by: Carol s11/26/2014

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


i recently added a power lift to my 2002 mazda mpv to carry my husbands new power chair. i needed these to prevent the sagging that occurred when just the class III hitch was installed. we loaded the chair on the lift once and i knew we could not leave the sagging that way. i did not want the maintenance of air shocks, air bags or air springs so i ordered these and am very happy i did. it keeps everything level with the full load on the rear and does not affect the ride when loaded or empty (with just the hitch). i would recommend these if you just put people in the back of any van. Installation was very simple. jacked up van with floor jack i have with tire 1" off ground. i am not sure if my stock bumpers fell off or were stolen in the past but they were not there. i took off the one bolt (14mm), assembled the timbren ses with supplied long bolt (17mm) and left stock bumper mount on top (same orientation), used a deep socket (17mm) stuffed with a paper towel and short 3/8" extension and started the bolt by hand. then placed the 3/8" ratchet on and tightened it up. NOTE: I visited the hardware store before I started, with the assembled timbrens in hand. I bought two 7/16" washers and two 7/16" split lock-washers because it looked like the bolts would bottom out on the un-threaded portion before fully tightening them up. Sure enough, on the passenger side i had to add a 7/16" lock-washer to get it to snug up. There was alot of slack/play after the threads bottomed out on the un-threaded part of the bolt shaft. On the drivers side it did not need a lock-washer added. it tightend up without any play. I will check them periodically to see if they are coming loose. if so, I will place the lock-washer and the other flat washer I bought on both bolts, then assemble the rest and tighten up again with thread locker on the threads. The install went so fast if I had to take them down to add anything it would only be a few minutes for both sides. Nice stiff, controlled cornering without the roll. wish I added these years ago to make my minivan with the heart of a sports car even sportier. Thanks e-trailer, Carol S 162579



- TDR1500DQ

by: Dave R.08/28/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


To say I'm very happy with this product is an understatement. First off, shipping was fast and the communication from George was top notch. Secondly, installation was as easy as it gets. Find a safe, flat area to jack your truck up by the frame (this creates space between the factory bump stops and the axle) then remove the factory bump stops. You may need a flat head screw driver for this to pry the old bumps stops out (easy)... insert the new Timbren Suspension System...a 6 inch long 2x4 would be helpful here....safely place the 2x4 atop the axle directly under the Timbren system, then slowly lower the vehicle. The weight of the vehicle will force the Timbren system up into the receiving end and this should complete the install. It took me longer to dig out my floor jack, cut a small piece of 2x4, then installing the Timbren system. Lastly, I immediately hooked up my camper a 24' (27' all in) Forest River and instantly saw my 2016 RAM leveled out. I have a 3 hr trip planned in the coming weeks and will offer some feedback on the ride with this new Timbren system in place. Pretty impressed thus far 426206



- TJFTJ

by: EN11/25/2014

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


The package arrived in only a few days, sooner than I had expected. I was impressed with Etrailer, the vendor. Opening the brown shipping box however, I was somewhat set off by seeing the Timbren SES box taped up like it went through WW3. It looked like a box that someone had opened once before and someone made an attempt to reseal it with another yard of tape. Opening the SES box confirmed my suspicions that someone had indeed attempted to install these once before and returned them as the 1 paragraph's directions were covered with greasy fingerprints . The parts looked OK so rather than wait for a second pair I just installed them. I have to say that the Timbren supplied written directions left a lot to be desired. I consider myself an above average home mechanic and I had difficulty understanding how to dissassemble the Jeeps front suspension. At the price I paid for these devices, Timbren should at least have made a better effort to create clearer directions. There was no directions on how to get the old bumpers off their perches (they are pressed in . They will only come out using some heat and a lever) , nor how to get the old cups off their perchs (there is one bolts holding each one into the perch, but bolts were so rusty I had to torch them off. I doubt the average Joe would have the knwledge, tools and determination to ge the old ones off). Don't try to do this job without using spring compressors to get the springs out. You'll never do it ! I had to google Timbren installation instructions on the internet to get peoples installation tricks off of a Jeep site. The customer who had this box before me likely gave up due to the complexity of the removal of the old units and likely sent these back to Etrailer (not Etrailer's fault). 162442



- TDR1500DQ

by: Jerry H07/03/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


These are the second set of Timbren SES I have purchased, the first being for a 2006 Nissan Titan and these for a 2013 Dodge Ram. Both were purchased in order to pull a fifth wheel camper and minimize the "squatting " issue. I am very pleased with the result. Installation on the Dodge was literally a 5 minute breeze as there are no nuts and bolts to remove. Just popped out the old ones and pushed these into place. Lowering the fifth wheel onto the bed secured them into place. The ride is impacted slightly when not pulling the camper, but as these install so easily, I will be able to put the OEM parts back into place with ease when not towing to soften the ride. I highly recommend for anyone pulling heavy loads. 87257


Comments

Patrick, Im still using the suspensions with and without towing. They work just as they are designed to. Very happy with them.

Jerry H - 07/10/2014

5509
Comments

Hi Jerry, you just reinforced my decision. My wife bought a 7000gvw horse trailer bumper pull, so my lil 2wd ram short bed swatted at the sight I bought and installed these ant the tow levels changed immediately. The empty weight can be a bit jarring and I was considering the same, take them out for the next 3-4 months winter in mass. And stick em back in in the spring. Glad I saw your review. Thanks, Mort T

-- comment by: Mort t - 12/11/2015

16149

- TFR250SDG

by: Vernon04/28/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


The Timbren rubber springs are a great addition to the truck 2013 Super Duty Lariat Crew Cab 172" 4x4. The truck has the 20" wheel option which requires the factory to place a 2" leveling block up front. That makes the truck level of course, taking away the rake, however in doing so makes it look like it's squatting when loaded. Before installing the Timbren springs I loaded the truck with a pallet of pellets and the wheel well sat at 38 5/16" from the ground. After the installation the same load was placed in the bed and the wheel well measured 39 9/16" from the ground. The Timbren springs saved over an inch of squatting meaning more weight on the front for steering and breaking. The ride improved from the motion of the ocean leaf spring ride while pulling our travel trailer to a more smooth but firm at the same time feel, a better ride than empty which does not engage the Timbren springs. This product is the fraction of the price of air bags and far less complicated/ less parts and things to go wrong. One of the original bump stops gave me a hard way but wasn't too bad. I installed the Timbren springs 19 March 2016. 373655



- TTORTAC4A

by: DaveInReno12/17/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Having purchased a cargo trailer, I thought it might be wise to beef-up the rear suspension on my 2000 Tacoma. I found the Timbrens on etrailer, and it sounded like they might work well, so I purchased a set and installed them. According to the instructions, there should be about a 1/2" gap between the top of the springs, and contact with the bottom of the Timbren - unless you have a CAP on the truck! The gap pretty much evaporated because of the fiberglass Leer cap. So, I'm getting contact a lot of the time. Result is, my ride has become stiffer than I'm used to, but not so much that it bothers me. Like my wife said, " It's a truck! Hello!!" (OK, I'm satisfied with the product.) 110248


Comments

Keep in mind that the gap Timbren refers will diminish as the springs wear. Since the truck is a 2000, it probably has some miles on it and if it has hauled heavy loads in the bed or has pulled a trailer, then the leaf springs may just be worn.

-- Patrick B - 12/18/2013

2420
Comments

A year later and 5,304 miles pulling the trailer, I think the Timbrens are a good investment. With a typical pull of 2,555 lbs of trailer and load, and approximately 300 lbs of tongue weight, Im finding the truck actually rides better than it does with no load. And, theres no maintenance whatsoever!

DaveInSedroWoolley - 01/12/2015

8554

- THROD2

by: Dave06/10/2016

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Product installed easily into 2015 Honda Pilot Touring 4WD. Both sides took a little over an hour to install. I've noticed minimal ride quality difference when not under load, and a stiffer ride under a 430 pound tongue weight but less sag in rear suspension. 259855



- TFR1504E

by: 16 supercrew05/07/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Etrailer did an excellent job. 2 day shipping for less than $8. No brainer. Staff was helpful on the phone answering questions. I ordered online and that was easy as well. Product: these went on 16 F150 4x4 supercrew with tow package and e rated upgrade tires. I use the vehicle to pull 7000 lb travel trailer. Purpose for the purchase was to help with sway and slight sag in the rear. I use a wdh with sway but that was not performing good enough. I choose these after some research. Install: easy. I didn't use a jack or lift. I just assembled with one inch spacer. I had an inch between the bottom of the timbren and the stop plate. I am no mechanic. Unloaded was pretty much what I expected. You hit a big bump, you get some jarring. 90% pleased. First tow with 16'6" boat (full windshield). The timbren was not engaged from the weight of the boat. Bumps were a little ruff. Added weight from equipment will take care of the space and ride should be better. 85% pleased with towing the boat. Travel trailer tow. Almost completely leveled truck with combination wdh and timbren. Was able to comfortably tow. Took out most of sway I had experienced. Almost 0 bounce, even at low speeds. Basically did everything I wanted it to do. 95% pleased. 4 stars because the unloaded ride is stiffer than I would like and pulling the boat maybe a tad ruff without equipment. This will be especially true in ruff roads. But at half the cost of air bags and ease of installation I do think they are worth the money. Would recommend to those that do not mind a rougher ride every now and then. 377432



- TFRTT1504E

by: MPINFL07/01/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


This is the second time I purchase and install these, the first was for my 2013 F150 and now on my 2017 F150. I towed my 9600lb bumper pull RV with the new 2017 truck before i ordered this second set, just to see if i noticed the difference. I loved the last set but heck, life is about experiences right? Those of you who have these are laughing right now as you know what I'm going to say. HUGE difference, noticed the absence right away. Got home from that camping trip, straight on my computer to order this latest set. As far as I'm concerned this is the best $200 bucks you'll spend. You have extra cushion when it matters most and it doesn't affect your ride at all when you don't. They are very easily to install and you don't have all the extra equipment etc as with an airbag system. I'm not the kind of guy who works on his truck, I don't consider myself mechanical at all yet i didn't have any problems with the installation. The only "issue" i had was when attaching the stop bumper to the metal mount. The screw is just long enough so i could get the tension i needed to get it threaded (the head of the bolt would drop slightly within the socket). I was able to get it threaded by using my index finger to hold the bolt and my ring finger to turn it, just enough to get it started. After that I was fine. As i mentioned, I'm not mechanical so my tool options were limited. Just bring some patience with you and you'll be fine. The instructions are good. As long as I'll be towing a camper, I'll have a set of these on every truck I own. 400940



- TJRL4

by: EJM07/24/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


First Trip with my new Rockwood Extreme Sport to San Diego went well although I had a lot of sag in the rear. Camper place said I did not need a weight distribution for my 03 Jeep Liberty so I got online and found the TJRL4. I ordered it and had my mechanic put them in. We had to call the help desk as they were slightly to big to pop in so he had us shave the top down a bit to fit. My last four trips with the TJRL4 on my Liberty have been outstanding, sag is not an issue and a much better ride. I think if you do not do a distribution hitch , this is much easier way to go. It raised my jeep up slightly also without the trailer on so that is a plus too. The main result was I feel very confident pulling my trailer with a Liberty which went from Arizona to Montana and back, up hills, down hills etc with no problems at all and I was in total control at all times. I credit this to the way the TJRL4 corrected the sag issue. Great Product. 410027



- TTORTUN4

by: Ken D.05/12/2014

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Fast shipping. Installed the Suspension Enhancement System myself in about 35 minutes on my Tacoma. Very happy with the result! Truck leveled nicely and SES definitely added noticeable stability with a 3200 pound travel trailer. Great staff at e-trailer! Couldn't be more pleased overall! 130274


Comments

Since purchasing the Timbren Vehicle suspension product I have towed my 3000 pound R-Pod travel trailer, with a 4 door Toyota Tacoma 4.0 6 cylinder, 2 WD several times and could not be more pleased. The product was very easily installed by me, with a cup of good coffee and about 35 minutes and has performed very well. With my light trailer and this product, I did not feel the need for a more expensive and cumbersome weight balancing hitch. I would highly recommend this product to anyone with a similar towing situation. Hooking up the trailer is quick and easy with nothing extra to do! When not towing, you dont even know the axle bumpers are there. They also come into play when carrying a heavy load in the bed. Thank you very much for checking back.

Ken D - 05/22/2015

11957

- TDRTT1500

by: Jshapiro09/16/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Super easy to install legit just poped out poped in no lift needed just crawled under and 5 mins it was done. Works great so far ill find out when my 30foot foot campers hooked up but for a 16foot trailer with a rzr and quad up on it it did its job. Not 5 stars because i think this is a 150 to 175 priced product 433171



- TDDR1002A

by: Harold B.05/21/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


This Timbren SES kit is quite complete and seems like a great way to help the old springs in my '95 Dakota. My research shows the theory is correct anyway. I just finished the install and will have to give it a real test in a few days. I didn't even have to raise my truck as recommended in the instructions and was able to do it all laying in my driveway on my back. The install took much longer on the first unit as I could not get them to properly tighten up to the frame. Not being able to see directly what the issue was, it took me a little while to discover the Grade 5 bolts supplied were about 5/16" too long for my application. Fortunately I have a lathe and was able to machine them down rather than going to a big box store to buy replacement hardware, most likely of suspect quality. Someone else may not be so fortunate. The unthreaded shank portion of the stock bolts still needed two washers to be able to adequately tighten them through the frame and beefy plates on the SES. Once I got all of the bolts shortened and determined the correct amount of additional spacer washers needed (2), they went right together. I spent over an hour on the first side, but the second side was done in 15 minutes, as I expected. Perhaps my situation was unusual and I was accidentally supplied the wrong hardware. If the 1-1/2" long bolts are standard for this kit, the Dakota frames are too thin (about 1/8" or so) to to use this long of a bolt. A 1" bolt would be more appropriate for this application. 81456



- TMBRSP35A

by: Jan S10/22/2012

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Installed the Timbren SES suspension aid on a 3500 Sprinter-based Winnebago motorhome. The ride/handling around town is improved - but have not experienced highway use yet. Installing these is very difficult. Required 4 hours for frustration and hard work. You must install one end of rubber mounting tab into bracket on frame and then "work" other tab into the frame bracket using large screwdriver, small wrecking bar, or both. Timbren recommends soapy water - others have used silicon or WD40 (which Timbren does not recommend). It would be nice of the instructions provided more detail on installation technique. 57832


Comments

I am going to install the Timbren MBRSP35A - Rear Axle SES Suspension Upgrade on my RV, but until they arrive, I re-installed the original that I took out for dimensions. I did quickly discover the difficulty of re-installing it, but also found a trick that helped and once found it installed fairly easy. As mentioned above, install one end of the rubber mounting tab into the bracket on the frame. Next, dont try to get the opposite tab in all at once...start with the inside corner of the tab, and with a large screw driver, begin working from the inside towards the outside, stuffing it just a little at a time...no soap, no lube...it just slipped right in.I hope that helps. I think the MBRSP35A - Rear Axle SES Suspension Upgrade will even be easier because you at least have the full body to grip and apply pressure as you work the screwdriver.

-- comment by: Jon L - 08/16/2015

14300

- TDR2500CA

by: Brian08/29/2015

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Talked to Cathy T who was very friendly and was able to answer my questions and concerns( went into this being skeptical) Cathy assured me that etrailer was a customer orientated company so decided to take a shot, recieved product 1 day earlier than expected which was a nice surprise,as far as installation it was as advertised took less than 30min and was very easy (tip run bolt on open slotted end (back)most of the way in then slide in it will make it easier to tighten bolt) have not towed 5er to see how they actually work did raise the rear of truck 08 ram2500 td did not end up with any clearance but it does say in instructions that medium and heavy duty trucks will stay in contact feel like they will do the job. Will definitely recommend and make further orders from etrailer thanks 222723


Comments

Have you towed yet?

-- comment by: Ken - 09/23/2015

15185
Comments

Ken have not had a chance to tow 5er on the road yet,I did have to move it in the storage lot from one spot to another and am impressed that my truck stayed level I looked at the timbrens with the 5er hooked up and they were compressed some should have taken pic the tongue weight according to the website is aroond 1800 its a montana 3400rl hope this helps some, will update after towing waiting to mount new tires also bought from etrailer the provider G rated and has an L speed rating tire they are definitely heavy duty trailer tires and just from looking at them and picking up would say they are a good tire after some mileage will be the true test

-- comment by: Brian - 09/25/2015

15219

- TNRTTN

by: Carlos07/16/2014

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Put a set on my Dodge and now I have them on my Nissan. 141728



- TFR250SDG

by: Tom W01/03/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I read the recommendation to another buyer and decided to try this product on my 2012 Ford F250 Superduty. I needed help for my 25' goose neck trailer. EASY to install. Worked perfectly with 15K of hay + 6K of trailer weight. The rear of the truck barely set down on the factory overload springs. Empty ride does not seem to be affected as the Timbren pads do not contact the overload stops. Thanks for a perfect solution without great cost and installation hassle! 62416


Comments

Still going strong even pulling a 38 foot fifth wheel toy hauler.

Tom W - 07/20/2014

5788

- TGMRG35

by: Brayton08/11/2014

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I had trouble with my browser called and spoke with Karen. She took my order. Then turns out I had two orders of the same thing. Karen took the time to call my home and ask is I really wanted two of the same thing. Great company, great customer service. How many companies in today's world would have made the extra effort. This is the second pair of Timbren I have bought. I love them. Used them on a 2010 Silverado, and now on a 2014 Express Van. Not only help the 'bottoming out' effect, but great for stability during towing and when fully loaded. 146117


Comments

After a year I still like them for heavy loads. I have found the bottoming out when hitting a bump with no load painful and uncomfortable. I actually cut two coil off them to allow the normal suspension to work when having no load. They still work for heavy loads. They are not the panacea for suspensions, but they definitely work when you have a heavy load.

Brayton - 08/11/2015

14143

- TFR1525HD

by: Gabriel11/30/2015

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I'm very pleased with your product it works great with my set up I have a 2002 Ford f-150 crew cab with a 4 inch lift I pulled my 27' travel trailer the truck Harley squat down the ride was great I installed the fr1525hd and add 3 4" x 1inch spacers # a25723-90ah00 to make up lift difference and used a 3/8" x 6" bolt installation took about one hour thanks again pictures of driver side and passenger side 232747



- TJRC01

by: Ryan C06/28/2017

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I bought these for my Xterra to help eliminate sag when towing. I don't tow a lot and I liked the idea that these units wouldn't affect the ride the rest of the time. First impressions of the quality. The thickness of the steel brackets is great almost look heavier than they need to be. The rubber springs are very solid and seem like they will last a long time. The included hardware seemed to be of good quality as well. My only complaint was the finish on the brackets. At this price point I was hoping they would be powder coated but they are painted. Not a huge deal but right out of the box some of the paint was flaking off like the parts weren't prepped properly. I ended up scuffing them down and spraying two coats of bedliner on them. I am hoping that will help keep them rust free. Installation was very easy and I had no problems getting them pretty centered over the axle. I did have the opportunity to tow since the install and they really did make a huge difference. I gained about 2 inches of height when fully loaded. The ride of the vehicle was very good and the handling was very stable. I drive this vehicle every day and when not towing it is a little stiffer at times, but certainly not enough to be a problem. I am at 60k now and plan on replacing my shocks shortly so I am hoping that will help. Overall, it was a worthwhile upgrade and I would do them again in a minute. 399984



- TDVRRT

by: Unbelievable results03/03/2016

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I drive a 2010 Chrysler Town and Country and tow a pop up camper. In addition to that I also carry my wifes 200 lb power chair in the back of the van. Needless to say the back end of my van was bottomed out. That caused the front end of the van to be up in the air thus giving me less control of the front wheel drive vehicle. After installing a new set of shocks and the Timbren rear suspension on my van What a difference it made. I was a little concerned about the price but the results outweighed the price by a longshot. Now with my wifes power chair and the pop up hooked up, my van sets perfectly straight and my vehicle has better control making the trips a lot safer. The best thing is, I did it all myself and saved a ton of money on labor. 239323


Comments

what shock did you install on the back?

-- comment by: LUC D - 03/29/2016

17288
Comments

Thanks for the question Luc. I used Monroe Sensi Track shocks. They also have built in springs to aid your suspension and will automatically sense your load. Best part they are reasonably priced for the shock you get.

-- comment by: Harvie - 04/01/2016

17339

- TGMRCK15S

by: Dave G09/12/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I was pleasantly surprised to find the installation procedure to be even simpler than the instructions sent with the "Timbrens". So easy even a cave man could do it. Same with the mirror extensions, very simple to install. I can't provide useful feedback (or a meaningful rating) regarding how well these products work. I haven't had a chance to use either the timbren system or the mirrors. My first trip with the trailer will be late September. I'll let you know when I get back....thanks. Dave G 99667


Comments

Unfortunately, I ended up returning the timbrens and replaced them with the Firestone Air Shocks. The Timbrens worked fine when hauling the trailer. However, without a load on the truck, the timbrens prevented the shock absorbers from engaging when needed and the resulting ride was very uncomfortable. The air shocks are the way to go if you only need the extra suspension on occasion. Thanks. dg

Dave G - 09/12/2014

6793

- TFRTT1502D

by: Frank P.05/28/2014

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I have a Half-Ton Jayco Eagle Lite 5th wheel. My brother installed Timbren SES on his truck and with his encouragement, I purchased a Timbren SES from eTrailer. It took only 20 minutes per side to install. Before Timbren, my truck suspension would lower 2-3 inches with the 5th wheel. After Timbren, my vehicle is perfectly level at all times, the ride is very smooth. I strongly recommend this product to anyone that needs to enhance their vehicles' rear suspension. A great product. My only regret is that I did not make this investment sooner!!! Frank P., Chattanooga, TN 133107


Comments

I have towed my 5th wheel several thousand miles over the past year since installing the Timbren SES purchased from eTrailer. Not only have I been very pleased with this product but have shared the plus features and good news of this product with many other half-ton towers.

Frank P - 05/28/2015

12122

- TGMRTT35S

by: Bryan L08/12/2016

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


This review is on a timbren air spring ,I bought this on a Saturday night ,went out of town Monday morning and got in on Thursday afternoon ,wife said the box had arrived Tuesday and put them on this morning on our 2006 Chevy k-3500 ,my guy had the truck in our shop for an oil change and I asked him to put it on, came back 45 min later and he was done with the spring installation and the oil change ! I asked him how hard it was and he said it took him longer to figure out which parts in the kit he needed that the actual install ,said it was about as easy as it gets .Well ,now for the test drive we drove the truck empty ,pretty much as stock ,rode real well.Then we put a Gaylord box that weighed 4506# and drove the truck ,WoW ,What a difference ,truck rode great and handled well ,went over railroad tracks,really handled well and rode great ,I wish I'd have done this years ago ! I highly recommend this product and commend etrailer on their good service and what made me decide to purchase the timbren product was the you-tube video ,after I saw that ,I placed the order ,it looked so simple to install and it went on just like on you-tube 283142



- TTORTUN4

by: LAW10/24/2013

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Received the product promptly arriving yesterday. Was a little hesitant to take off the u-bolts on the axle but they came off with no problem and went back on easily. It made installation easier by removing the wheel on each side as I was installing them. The Tacoma will now hold a good load without the sag. Have had previous experience with this product with very good results. The truck now has no dip or sway when driving on rough road. Very good product for a firm and stable ride. 105069


Comments

The product is still working very well. The Timbrens give a very stiff ride when the bed is not loaded, actually a rough ride. When the bed is loaded or pulling a trailer is where the value is most notable. On the Tacoma, the frame rests on the Timbrens even before a load is applied. I dont mind the rough ride so they have worked out very well for me.

LAW - 10/26/2014

7455

- TGMRCK15S

by: Racer Bruce07/08/2012

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I ordered these on July 4th (Wed) and received them on Friday. As always I got very fast shipping from etrailer.com. I installed these today on my 2009 Sierra 1500. I pull a 20ft enclosed trailer all around the mid-west and up and down the East cost. I've continually been adding things to the trailer so lately the rear of the truck has started to sag a bit when towing. This product seemed like a reasonable way to help remove the sag. I measured the truck in a couple of places near the back with the trailer hooked up prior to installation. After installation the sag was reduced by an inch to inch and a half which is what I was looking for. The truck is now very level with trailer attached. Installation was very easy as the mounting point is easy to get to. I did one side at a time by jacking up that side and removing the tire/wheel. I probably could have done it without removing the wheel, but this just made it that much easier. Remove one 10mm bolt on the original bump stop and then bolt on the new part. Tighten and you're done (well, I had to put the wheel back on, etc.) I did the whole thing in about 40 minutes. I haven't pulled the trailer yet with these installed, but I've already gotten the primary result out of the purchase which is to remove the sag in the truck when the trailer is attached. 47122


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  • What Is the Installation Like for Timbren Springs on a Toyota Tacoma
  • The install for the Timbren Rubber Enhancement Springs, part # TTORTUN4L, is fairly easy, just one bolt and nut to install the spring and bracket. It bolts in the same location as the factory bump stop. You will just need to jack under the frame of the truck to relieve the tension on the suspension. Remove the bump stop, 1 bolt and nut, and finally install the Timbren spring again with 1 nut and bolt. Repeat on the other side. I have included a link to the directions. I have added links...
    view full answer...

  • Installation Instructions for Timbren Suspension System on a 2012 Nissan Frontier Pro4X 4x4 Off Road
  • To install the Timbren Rear Suspension Enhancement System, # TTORTUN4L, on your 2012 Nissan Frontier Pro4x 4x4 you will need to safely raise the vehicle to allow the axle to hang freely, then loosen the axle u-bolts and remove the OEM rubber bump stop. Next, install the lower bracket from the Timbren kit where the OEM bump stop was. Finally, tighten the U-bolts and safely lower the vehicle. I have attached installation instructions for you to review.
    view full answer...

  • Overall Height of Timbren Suspension Enhancement Springs # TTORTUN4 for a 2010 Toyota Tacoma
  • I went out to the warehouse and actually pulled 2 possible fits for your 2010 Toyota Tacoma. First, for Timbren springs # TTORTUN4, the overall height from the bottom of the bracket to the top of the spring is approximately 5 inches. The other kit I pulled was # TTORTUN4L. This kit is a bit shorter at 4-1/2 to 4-5/8 inches tall overall. I have included links to hte isntructions for both kits as well as a link to our FAQ article on Timbren systems for you.
    view full answer...

  • Recommended Timbren Rear Suspension Enhancement for a 2010 Toyota Tacoma With 4WD
  • There are a few different options that we have for you to install a Timbren Rear Suspension Enhancement System on your 2010 Toyota Tacoma that is 4WD. Please keep in mind that any suspension enhancement system will not increase your weight capacity. It is meant to supplement a suspension system that is in good working order. You should never exceed the weight-carrying capacity of your vehicle. If you plan on driving places that might not have a road then I recommend going with the Timbren...
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  • Recommended Timbren Suspension Enhancements for a 2017 Toyota Tacoma with 4 Leaf Springs
  • The Timbren Rear Suspension Enhancement System part # TTORTUN4L is designed to work with the 3 leaf setup on a 2017 Toyota Tacoma, but not the 4 leaf setup. For a 4 leaf setup you would need to use the Timbren Rear Suspension Enhancement System part # TTORTUN4. The jounce spring kit designed to work with 4 leaf spring models has a shorter mounting brackets to allow for the recommended 1/2" - 1" of space between the bump stop and rear axle. Although both jounce springs are the same, you...
    view full answer...

  • Comparing Timbren Rear Helper Springs for a 2016 Toyota Tacoma 4x4
  • The springs in both Timbren kits for a 2016 Toyota Tacoma 4x4, # TABSOSR, and # TTORTUN4L, are both 3-3/4 inches tall. The difference is that kit # TABSOSR is intended for vehicles without a U-Bolt Flip Kit. And # TTORTUN4L is designed for vehicles with 3 Leaf Springs in the rear suspension. To avoid a stiff ride a better option would be air bags, # F2407. They will allow you to adjust the air pressure in the bags for the best ride quality. I have linked a video review of the Firestone...
    view full answer...

  • Timbren or SumoSprings Suspension Enhancement Recommendation for a 2016 Toyota Tacoma
  • For your 2016 Toyota Tacoma both the Timbren part # TTORTUN4L and the SumoSprings part # SSR-610-40 are confirmed as a fit. I would recommend going with the SumoSprings though as we have found they provide a smother ride quality than the Timbrens which tend to be a bit harsh. Both should easily last the lifetime of your truck, but the Timbren has a limited lifetime warranty whereas the Sumo only has a 2 year warranty. I would not need to see pictures of your current bump stops.
    view full answer...

  • Height of the Rubber Spring of the Timbren kit part # TTORTUN4 and # TORTUN4L
  • I went out and pulled both the Timbren kit part # TTORTUN4 and # TTORTUN4L from our warehouse to measure them for you and found that they both sit exactly 3-3/4 inches tall.
    view full answer...

  • Rear Helper Springs for a 2013 Toyota Tacoma
  • Helper springs is a general term that can be applied to all suspension enhancement products. So what it comes down to is jounce style springs versus air bags. Jounce style springs are excellent for the same kind of load all the time, such as towing a trailer. But they also work independently side to side. Air bags are a great option for carrying different size loads in the bed. When set up for it, air bags will allow you to level the bed side to side to compensate for varying load sizes. If...
    view full answer...

  • Using a Weight Distribution System to Level a 2006 Toyota Tacoma and Cargo Trailer
  • The best way to reduce sag at the rear of a vehicle when towing a trailer is to use weight distribution. I recommend a system that has built-in dual cam sway control to prevent trailer sway before it starts. For the right sized system, you will need to know the tongue weight and gross trailer weight of the trailer when it is fully loaded and ready to tow. For example, if the tongue weight of the trailer is 400 pounds, you would need a system with a 200 to 600 pound tongue weight capacity....
    view full answer...

  • Recommended Transmission Cooler And Suspension Enhancements For A 2011 Nissan Frontier
  • I will first start out by addressing the additional transmission cooler you will want to help keep the transmission fluid temperatures at a safe level, while towing a 5,000 lb. trailer with your 2011 Nissan Frontier. As you mentioned, your Frontier is plenty capable of hauling this load, however, it is never a bad idea to aid your factory transmission cooler with an even larger one for optimal performance. I recommend looking at the Flex-a-lite Translife Transmission Cooler part # FLX4126...
    view full answer...

  • Suspension Enhancements for a 2017 Toyota Tacoma with Firestone Airbags
  • I do have a suspension enhancement option for your 2017 Toyota Tacoma that is compatible with the Firestone Ride-Rite Air Helper Springs part # F2407, however, the Timbren Rear Suspension Enhancement System part # TTORTUN4L and the Roadmaster Active Suspension Kit part # RAS4514-SAT will not work. In order to use a set of suspension enhancements with your currently installed Firestone Ride-Rite Air Helper Springs, I recommend the TorkLift StableLoad Rear Suspension Upgrade part # TLA7311...
    view full answer...

  • Do U-Bolts of 2012 Toyota Tacoma Get Removed for Timbren Installation
  • To get the mounting plate for the Timbren of part # TTORTUN4L onto the suspension of your 2012 Toyota Tacoma will require the temporary loosening of the U-bolts. This will allow you to slip the U-bolts over the plate so that it can be secured after removing the factory bump stop plate. I attached a picture we got sent from a customer who installed this kit that shows it installed.
    view full answer...

  • Is a Longer Bolt Required When Installing Timbren on a Lifted Vehicle
  • We don't carry the longer bolts for when you use a lift spacer like the part # A25723-90AH00 which a Timbren like your # TTORTUN4L. You will need to find a local hardware store that can provide you with a bolt that is 1 inch longer than what you have. That's what we have had to do when we installed Timbrens on customer cars with lift spacers.
    view full answer...

  • Suspension Enhancement for a 2010 Toyota Tacoma 4x4
  • Heavier springs are going to create a stiffer ride all the time and not just when there is a load in the truck. Adding Timbren springs to your 2010 Toyota Tacoma will pretty much keep the unloaded ride the same and then offer support and improve the ride when under load. Timbren springs # TTORTUN4L would be the way to go. If you need to level the bed side to side as well because you carry different loads all the time, air bags may work better for you. You could use Firestone Ride-Rite...
    view full answer...

  • Will SuperSprings Eliminate Axle Wrap On 2013 Nissan Frontier
  • With that few miles you have on your 2013 Nissan Frontier, it sounds like the suspension is the problem and I recommend you take it back to the dealer and have them check the entire system out before investing in suspension enhancements. I spoke with my contact at SuperSprings about the axle wrap. They told me that installing SuperSprings like part # SSA1MTKT, will help a bit with the axle wrap, but will not eliminate it altogether. According to the installation instructions, the...
    view full answer...

  • Will Timbrens Void Warranty of a 2015 Nissan Frontier
  • Timbrens like the part # TTORTUN4L would not void the warranty of your 2015 Nissan Frontier as long as you install them properly. When you install an aftermarket part on your vehicle you are protected by the Magnuson–Moss Warranty Act. This act states, in part, that unless the installation and the part caused a problem then the warranty cannot be voided. I recommend looking it up online.
    view full answer...

  • Timbren Helper Springs for a 2014 Nissan Frontier Desert Runner with Leaf Springs on Top of Axle
  • Timbren helper springs # TTORTUN4L are designed to fit on 2014 Nissan Frontier 4x4 trucks that have the leaf spring stack on top of the rear axle. Take a look at the installation instructions I have linked for you for more on how they install. I have also linked a review video on these springs and a link to our informational article on Timbren springs.
    view full answer...

  • Will Timbren Suspension Enhancement Fit 2017 Toyota Tacoma TRD Pro
  • The Timbren Rear Suspension Enhancement System # TTORTUN4L will fit your 2017 Toyota Tacoma as long as your rear suspension has leaf springs with 3 leaves. There was a change with the Toyota suspension and some of the trucks have 4 leaves which the system will not work with.
    view full answer...

  • Will Timbren Rear Suspension Enhancement Fit 2010 Toyota Tacoma 4X4 Quad Cab Short Bed SR5 PickUp
  • My technical contact at Timbren confirmed that the Timbren Suspension Enhancement # TTORTUN4 that you referenced will work well on your 2010 Toyota Tacoma because you previously added that fourth leaf spring. The difference between the # TTORTUN4 and the # TTORTUN4L which is designed for vehicles with three leaf springs is 1/2 inch so because you added the extra leaf you can use the original part you picked out. I have attached a FAQ article covering Timbren as well as the installation...
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  • Is a Rear End Alignment Required After Installing Timbren Springs on a 2012 Toyota Tacoma 4x4
  • When installing Timbren helper springs # TTORTUN4L on a 2012 Toyota Tacoma 4x4 the vehicle only gets partially raised so the axle cannot hang freely so it would not be able to get out of alignment. But you could still go an get a rear end alignment for peace of mind if you wanted to. I have included a link to the installation instructions for this kit for you.
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  • Timbren Rear Suspension Enhancement Recommendation for a 2016 Toyota Tacoma
  • I checked with Timbren and for your 2016 Toyota Tacoma they recommend the part # TTORTUN4L as a confirmed fit and not the # TTORTUN4. I attached a review video for you to check out as well.
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  • Correct Timbren Suspension Enhancement Spring for 2006 Toyota Tacoma 4x4
  • For the 2006 Tacoma 2WD, the # TTORTUN4 would be the correct Timbren Aeon Spring. For 4x4 models, the # TTORTUN4 would be used on models with 4 leaves on each leaf spring, and # TTORTUN4L would be used on models with 3 leaves on each leaf spring. I've linked you to an FAQ article about the Timren Aeon Springs.
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  • Does Timbren Rear Suspension Enhancement System TTORTUN4L Fit 4WD 2017 Tacoma TRD
  • The Timbren rear-axle jounce spring suspension enhancement kit # TTORTUN4L is a confirmed fit on the 4WD version of the 2017 Toyota Tacoma TRD Sport so long as it has 3-leaf springs in the rear suspension. This kit offers no-drill installation and the springs mount in place of your factory bump stops.
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  • Installation Of Timbren Rear Suspension Enhancement System On 2010 Toyota Tacoma
  • There should be no interference from the exhaust when installing the Timbren Vehicle Suspension, part # TTORTUN4L on your 2010 Tacoma. The TTORTUN4L is designed to replace the bump stops you have installed on your Tacoma. If you are installing a different system than the TTORTUN4L your question came from let me know and I can do some research to see if there is a solution that works for you.
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Info for this part was:

Photos by:
Theodore B
Expert Research:
Robert G
Expert Research:
Patrick B
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Installed by:
Cole B
Expert Research:
Jeffrey L
Video Edited:
Chris R
Updated by:
Mary E

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