Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Hollow rubber springs sit above the axle, helping to stabilize and level the vehicle while providing a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.
When hauling heavy loads in the cargo area or by pulling a trailer, you will often see the rear of the vehicle sag while the front end rises. In these cases, the rear axle is handling not only the weight of the cargo, but more of the vehicle's weight as well. Because less weight is on the front axle, the front tires are making less contact with the road. Overall vehicle handling - traction, steering, and braking - is negatively affected. The resistance from Timbren's Suspension Enhancement System works with the vehicle's factory suspension to keep the vehicle level and improve your driving performance.
The Timbren system has a vehicle-specific bracket that will be bolted onto each frame rail above the rear axle. Hollow rubber springs are bolted to the bottom of the bracket and hang down to where the bottom of the spring sits one inch 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 you are used to.
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 provides increased resistance, stiffening the suspension and keeping the vehicle level.
Each hollow rubber spring works independently to support the driver's or passenger's side of the vehicle. 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 hauling off-center loads.
Because the vehicle handles better with the springs, less turbulence will be passed along to the trailer helping 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 passing of a semi) because the movement from the trailer is not transferred to the vehicle. This also works to make the sway subside quicker.
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 as the rubber springs work to prevent bottoming out on rough roads.
Compared to the competition:
Timbren's suspension enhancement systems are much easier to install than air springs - no air hoses are needed to be run, no compressors or gauges to hook up, and no manual adjustments necessary. The rubber construction causes Timbren's springs to be more elastic than similar products constructed of micro-cellular urethane. More elasticity allows for a more comfortable ride because the rubber has more travel.
Video of Timbren Rear Suspension Enhancement System
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Alright today on this 1995 Ford F250, we are going to install part number TFR150SDE from Timbren. As shown here, this is what the suspension enhancement system looks like when it is installed on the vehicle. Next we will go ahead and show you how it is done. To install it, the first thing we need to do is remove the original bump stop right here. There is a bolt on top that you want to spray down with some penetrant to help loosen the bolt and remove it. It is kind of hard to see but on the bottom here is actually a bushing inside of here. You have to remove that as well. You will spray it down, knock it around and then you should be able to get it to fall off the bottom. 1:00
Alright now we can start the assembly of the Aeon rubber spring. Alright, these are the components we will be using to install it. Now there will be a couple of optional hardware here. What this optional hardware is for is if you need the spring to be moved front or to the rear of the axle, to fine tune it to match your suspension setup you can. In this case though, we will be using the single bolt in the center here. We will not be using that hardware. So we will be left with the longest bolt and the medium bolt, with a lock washer on both of them. And the one that goes from the top of the frame down will use a flat washer. And also there is a spacer block that is optional as well, to go in between the spring and the mounting bracket. Some vehicle will require it and some will not. In this case, we will be using it. 1:50
We will take our long bolt and this will go through the bottom of the spring. We will run this through the washer, our spacer and that will run in to our bracket, just enough to hold it all together for now. Now we will go install the assembly on the frame. From the top down we will install our bolt, flat washer and lock washer. And this bushing right here will fit in the original spot. And this will all fit together like this, around the frame. Alright, now I can tighten the inside bolt. In a few easy steps, our suspension enhancement system is already installed. Now we are done with the passenger side. Let us move over to the driver side and repeat the same process. So we can go ahead and put the tires back on, put a load on it and try it out. And that will finish it for part number TFR150SDE from Timbren.
Average Customer Rating: 4.6 out of 5 stars (277 Customer Reviews)Hollow rubber springs sit above the axle, helping to stabilize and level the vehicle while providing a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.
by: Tom G.09/23/2013
Items received ahead of delivery date. Installed on 2000 F250 diesel and pulled our 2009 32 foot Sandpiper 5th wheel with awesome results. The rear of the truck didn't sag nearly as much under the 1,800 lb pin weight and the handling was vastly improved. Once the truck settled down the 1 1/2 inches of air gap between the bottom of the bumper and the axle, the truck didn't sag any more. Great product for the price, easy to install and performes as advertised. 101073
by: DAVID TOW02/21/2011
IT WORKS PRETTY GOOD IF YOU DONT EXCEED THE LOAD LIMIT. I GIVE IT A 7 OUT OF 10, I DONT REGRET BUYING IT.... 7570
by: Ron L.05/10/2013
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
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
by: Harold B.05/21/2013
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
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
Put a set on my Dodge and now I have them on my Nissan. 141728
by: Racer Bruce07/08/2012
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
by: Gerry A07/22/2013
Installed this on my family's 2010 Town & Country. I was considering installing load-leveling shocks, but opted for these instead. I rather the weight of a trailer/cargo carrier be on the axle then the shock supports. Installation was simple and straightforward. Like others, I opted to disconnect the shock at the bottom mount than the top. It took me about 30 minutes per side, excluding tire removal and jacking up the vehicle. Suggestion... use a hydrolic jack to lift the axle a bit if you have a tough time getting the bolt connecting the shock to the mount. Do the same to reinsert the bolt when reassembling. The jury is still out on performance, however, I'm sure it will do fine based on other reviews. I attached some before and after pics. 90865
Overpriced.... A little slow in time to ship out from etrailer. The product does work as stated. Our 2008 Chrysler Town and Country with 20,000 miles blew both rear self adjusting shocks. We do not carry heavy loads or more than 3 people. Luckily we were still under warranty, otherwise it would have cost $300.00 per shock (parts only). In researching the shocks for the van I came across several articles on the Timbren Suspension Enhancement System. They look like what I needed to keep the shocks from going again. The price seemed high for two small rubber cylinders....but with the money back guarantee I gave it a shot. I installed them yesterday, the video was a little help, but not enough detail on how to remove and tighten the upper bolt on the shock absorber. The ride and handling of the van has improved greatly. No lean on turns and bumps are smooth....no roll side to side. I recommend these for anyone with this van, even if you don't carry heavy loads, the ride improvement alone is worth the install, (easy for a novice to do). I would have given excellent if it weren't for the high cost. 21592
by: Dave O.05/05/2013
I received this order quickly. I installed them without any problems and they do offer additional support as shown in etrailer's website. Seems like a good product so far. 79045
by: Sean Z11/06/2010
Best available for Kia I wish I would have known about this product sooner. I have a Kia Sedona and there are only 2 suspension aids available. I previously had the Firestone airbags and don't recommend. The bags and compression fittings leak and installations complicated. This was the only other option so I gave it a try. Very glad I did. They do exactly what they say they do. The Sedona doesn't dip nearly as much when I put the trailer on. In fact I had to go to my lower rise hitch so it would sit flat. Ride is solid, but not jarring. I don't really know about the reliability as I've only had them about a week, but it's a very simple concept so I can't imagine problems. They are basically oversized flexible bump stops and have no moving pieces. They seem expensive for what they are, BUT installation is MUCH cheaper than the airbags. It cost me just a bit over a hundred bucks to have them installed at a local service chain (Tuffy). They also are very discrete so your warranty likely won't be called into question. 3579
by: Louis N.08/28/2013
I ordered the Timbren Suspension Enhancement Kit on Monday and received it on Wednesday with the standard shipping. (Free on orders over $150.00). This is the third order from etrailer.com and every order has been expedited quickly and received before date quoted. All my orders have been correct and good quality. I installed the Aeon Rubber springs on my 2013 F-250 4x4 Diesel in about 20 minutes just like the video showed. With my truck bed loaded with supplies and bumper hitch trailer hooked up, my truck bed is just a hair below level; before it squatted a couple of inches. The road test will be tomorrow. 97375
by: Stan C.06/09/2012
ETrailer, as usual, delivered promptly at a very fair price. The installation video made it possible for me to do the job. As usual, Dodge's design made the job a bit more difficult than expected. The shock absorber takes an 18mm socket and most socket sets skip that size. My 3/4" socket was just a bit to big to do the job without damaging the bolt head. Watch out for the brake lines that run next to the nut on the back side of the shock absorber bolt. lt took two of us to spring the axle down far enough to get the coil spring out. Alone, I could swing the axle down or move the coiled spring, but not both. I had to use a screwdriver to lever the OEM spring bumper out of it's mounting but the Timbren unit slipped into the mounting socket smoothly and with two of us, the spring went back in place easily. It took us double the expected time to do the job but we did it without a lift or the nice air tools a pro would have used. Now the test will be to haul a loaded trailer. 43491
Great product, ordered these for my F-150 and was upgraded to express shipping. Received product in 4 days and took me a total of 20 minutes to install on both sides. Truck does not squat at all when it comes in contact with the springs now. Still have the smooth ride when not towing, towed my trailer with 4800lbs with no problem. Thanks for a great product. 72885
Here are some pics. I installed the timbren could in about 20 minutes and put them to work the very next day pulling my LE3505 Weekend Warrior Fifth wheel. My 2012 F250 power strike was sagging horribly before purchasing these coils. The coils make the truck perform like a one ton & rides wonderful! Thanks for the opportunity to not have to install Air Bags!! 76339
by: Paul Y12/12/2013
this is a super product. This is my 2nd set of Timbren "overload springs". my first set was on my 2002 trailblazer and this set is on my 2010 Ford F150. In both cases, it has kept my vehicle perfectly level (I measured) when I loaded up with lumber, cement, sand, or any other heavy cargo. it works just as advertised. this time I loaded it up with 500 pounds of water softener salt to give me some traction through the winter. It works a lot better than Sam because I can use it up throughout the year. 10 years ago, the installation on my trailblazer was a little difficult. This time on my F150, it was a piece of cake. However, I tried for an hour to install one without removing the wheels and couldn't do it. So I got out the floor jack and jack stands (yes, I'm a little lazy at 67), pulled the 2 back wheels, and it took 20 minutes total, including pulling the wheels and putting them back on. great product and good service from etrailer.com. 109970
Super Fast shipping. Ordered on Monday( a holiday) and reviewed Tuesday afternoon. Very easy install. Thank you. 67446
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
by: Tom H.09/15/2012
Tough to decide, Timbrens or air suspension. I opted for Timbens in part because of price, but also no maintenance, while knowing there might be a trade-off in fine tuning the ride. I installed the Timbrens on an '09 Silverado C1500 crewcab, pulling a '13 Springdale 247FWRLLS. Last measured pin weight was 1,120 lbs. Install time was 14 minutes, clock started after purchasing and cutting a piece of 4x4 to help jack up the frame, allowing access to the space. Before Timbrens, 2" drop in bed height after hitching 5th wheel. After Timbren install, 1" drop. Ride unhitched is mostly unchanged, the bigger bumps transmit a more firm feel as the Timbrens connect though. When hitched to the 5th wheel, overall smoother, more confident ride. I'm happy with the purchase. Thank you eTrailer.com for the fast and dependable service you are known for! Tom Round Rock, TX 54799
by: Tom W01/03/2013
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
by: Karl G.01/07/2013
I ordered a pair of rear axle Timbrens for my new Ram 2500 as I plan to buy a 5th wheel and tour the US in my retirement. To me, the Timbrens are preferable to adding air bags or beefing up my leaf springs or shocks since they only "work" when you are loaded allowing you to keep your normal unloaded ride quality when not towing. e trailer's price, service and follow-up was great and I had the Timbrens installed and ready to roll 30 minutes after delivery. 62568
by: Bill J.09/12/2012
While these seemed a bit pricey for just "rubber bumpers", these "rubber bumpers" did deliver as a great suspension enhancement and were well worth the money. They installed very easily (just like the video) on my Dodge Grand Caravan. (The only thing I did different was to remove the lower bolt on the shock since it was much easier to get to than the top bolt.) They also performed excellent. With no load or a light load the van drives and feels normal (i.e. no adverse effects) and with a medium-large pop-up trailer the back end of the van sagged very little and it drove very stable. It sagged much less and drove more stable than the OEM parts with lesser loads! My experience is based on driving 3800 miles pulling a pop-up and the family to Yellowstone. Great product, service, and shipping speed from etrailer. 54505
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
by: Stefan S04/29/2012
This product is an absolute must have if you plan on towing anything other than a lawn and garden trailer. I recently moved from DC to Tampa, FL by way of a two week stopover in MS. I towed my 5x10 trailer loaded down with 2 dirt bikes, 1 CRF50, misc other stuff as well as a van load of kids, dogs, and some other belongings. This product completely eliminated all swag and there wasn't one hint of trailer sway. Most importantly, the ride was fantastic with no bouncing or any other ridiculous behavior. These things even smoothed out that section of 59 that runs from north GA down into MS. I know they are pricey but please do yourself a favor and buy this product for yourself, especially if you're going to be towing with family in the van. Their saftey could dempend on it. 38780
by: Ken R06/21/2014
This was very easy to install. It does require removing the wheel to install them but that is the most difficult part of the install so it's a 1 banana job. As far as function they work as advertised. I used these to tow a 5500 lb trailer. Also had a Thule box on top of the Sequoia and 4 passengers. There was a little sag (rear lower than the front) while towing but not bad maybe an inch or less. Going over bumps felt controlled with no harshness. I have used air bags on other vehicles. Although they allow more control of the ride height I don't like having to spend several hundred for an in cab controller or fiddling with adjusting the air frequently. These are a good compromise for me and did a fine job. 136899
by: Jerry H07/03/2013
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
They work as advertised and significantly help my truck from squatting when pulling my camper and fourwheeler together. When I talked with Timbren directly they stated these are the 8600 lb model. They don't actually make a 6000 lb model for my 2013 quad cab. After installation on my stock pickup the springs were almost two inches away from the axle. I talked with timbren and they helped me get the spacer I needed free of charge. Overall both companies have been great to work with and the product works as advertised. I haven't noticed any change in ride quality when unloaded unless I hit a big bump pretty hard than it is a little bit more stiff, nothing I would care enough to complain about though. 99307
by: Joe L06/08/2012
I put these on a 2004 Suburban K1500 because I use it to pull a JD 990 on a 16' trailer. I also use it to pull a 23' boat. The originals were still on the truck and had definitely exceeded their life expectancy and the rear end was obviously sagging. I replaced the P series tires with LT E rated at the same time and there is a substantial improvement in the stance and handling when a trailer is attached. I recommend these to anyone towing anything with a tongue weight of >500 lbs. Be sure you don't exceed your hitches rating! A tip for the install: put liquid soap (I used laundry detergent) around the collar and it will slide right in when you lower it down on the 2x4. 43401
by: Bryan Hanselman04/30/2013
Etrailer expedited the package early due to returning customer. Parts delivered in double packaged boxes. Installed in 1/2 hour after fighting the old rusty bolts. Have not had a chance to load test yet. Will give another follow-up review after truck and trailer are loaded. 78488
I had watched the installation video so that i would have a idea how they went on well I was supprised I didnt have to raise the truck at all just went under removed bump stops found out that I didnt need the spacer bolted them up to the truck and was finshed in about a half hour. havent hauled anything yet or hooked up to camp trailer so dont know just how they will work but have read good reviews on camp trailer fourms so thought I would give them a try. 69956
Product installed very easily, spacing seems a bit much from the bottom of the product to the axle, but that could just be me. Nothing against you guys, but the package was delivered VERY damaged, some of the contents were showing outside the box. 64729
by: Luther C.10/10/2013
I purchased this product for my 2003 Chev, Z-71. I just received this equipment today and I installed them in about an hour. The hardest part was the removal of the old chev. parts. I had no information for the removal and it took me await to remove them but installation of this product took me about 10 minutes to install per side. So far, I really like the ride but I haven't attached my 5th wheel trailer to compare this rear suspension system product. I brought this product because my wife and I purchased a 5th wheel travel trailer and I wanted to improve the rear suspension system of my truck. So far, great product! 103407
by: Calum M05/13/2014
These are very simple to install. After loading up my truck bed (1200lbs), they do exactly what they say they will do, there was no sag, the deflection of the rubber was minimal. The ride is changed significantly with them. Not necessarily for the worse. The truck is a lot stiffer in the rear, but then you are not buying them to enhance the ride quality. When the truck is not loaded, you do not really notice any difference (I already have a 1.5" lift in the rear, probably a bit different with stock springs/struts). If you lean into a corner, you feel them engaging and infact the body roll is a lot less as a result. 130327
by: Jan S10/22/2012
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
Intall was very easy, took about 20 minutes with a floor jack, jack stands and a medium size screw driver to get old ones out. Have not hooked up trailer yet so can't say how well it keeps truck from sagging. I also have the airlift 1000 which were not heavy duty enough to handle my camper by themselves, failed twice. They do help lift back end slightly and firm the ride when empty. Combination should cover all my needs. 99257
by: Frank P.05/28/2014
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
I looked at several options to help the ride height on my truck while pulling a trailer. I decided on Timbren for the sheer fact that installation was a breeze, literally 5 minutes. I t took me longer to run the jack up and down. Also the fact that there is no maintenance with this product and ride is not affected when empty, made the decision even easier. I checked ride height with the trailer hooked up before & after installation. Ride height increased 2 inches and was much smoother driving. Product also arrived quicker than expected. Thank you. 137194
by: Ray L.02/22/2014
Excellent quick shipping. The install on my 2013 F-250 was very straightforward and quite easy. Product seems very well made. Just as mentioned, they sit about 3/4 inch from making contact while the truck is unloaded, so does not affect the empty ride. I have not towed with them yet, and am looking forward to seeing how they handle the load. 117231
by: Kevin R.07/09/2012
I put these on a Z71 1/2 ton truck. I found a gooseneck horse trailer with living qaurters 33' long total and when the dealer hooked it to my in bed hitch the truck dropped about six inches told too much trailer for my truck they suggested air bags never heard of timbren I installed the timbrens went back to dealer this time test pulled you would think its a 3/4 ton truck now only 3" sag bought trailer pulled it home thanks timbren! great product saved me from bying a different truck dealer thinks it will start selling these! 47330
by: Shaun H08/03/2011
Out of the box I was not impressed with this product. I had the spring removed from the van upon their arrival. After looking at the manufactures instructions, which were minimal. And a size up, holding the parts in place. There was no way the springs were going back in after this thing was installed, even after compression. Go for the air bags, which for me have worked well in the past on other vehicles. There adjustable, and have longevety and installed without spring removal. Sorry I tried something different. 21025
by: Michael C.03/22/2014
Product requires removal of coil springs, sway bar, original stop bumpers, and wheels to install. Product contacts lower swing arm when installed and not under a loaded condition. Increases stiffness in suspension and also creates a rougher ride and increased road noise. It does prevent the typical sag in the rear suspension. There is no gap between the newly installed Timbren rubber and the vehicle suspension when installed and the normal weight of the Pilot as per instructions indicate there should be. 121754
by: Dave G09/12/2013
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
by: Corey W.08/19/2012
Unhappy with the unloaded ride quality when installed on my Nissan Titan, especially on rough roads! Timbren should have used a much softer rubber spring for this application. I chose to remove these after only one week because I could not tolerate the ride. Unfortunately I didn't experience this product under a loaded condition when pulling my travel trailer. I am going to try the Firestone Workrite product next (I hope it is better), sine I want to stick with an airless helper spring system. 52306
My order was shipped and received quickly. The Timbren system fit my 2014 F250 4x4 regular cab perfect. The install was about 30 minites. It makes it easier if you can take your rig to a shop with a lift so you can raise the truck up and let the suspension sag and then install. System is on truck and looks like it will really help my rear sag problem. Can't wait to put a load on the truck. My last truck had air bags and I think this will work better for me. The truck rides great while empty. 136474
by: Chuck B.09/06/2012
I purchased these Timbrens to help with the "squat" in my 2010 RAM 1500 when I put my slide in truck camper in the back. It was hard to believe the claims of how easy the installation was, but I was amazed at how easy it was to install them. Total time including getting floor jack out was about 30 minutes. They seem really well made and once installed they allow my RAM to ride on an even keel (and with a nice ride) with the truck camper in the back without effecting the unladen ride a bit! 54065
Ordered by telephone around 10:30 AM, product was delivered via UPS around 1:30 PM the next day. I had them installed that evening after getting home. I hooked up my travel trailer to my truck, everything leveled out, no sag. Can't wait to see how they do on the road pulling my trailer. 65385
by: John F.03/06/2012
Other than getting them delivered to me, these are just what they say they are. I have a 2008 Crysler Town & Country. I put my pop up camper on my hitch and it looked like it was going to hit the ground "with the van empty! So I got these and put them on. It holds my van upright and dosn't affect my ride. I love them, they work great. I had shipping problem and etrailer took real good care of me. they made shure i was sadified! Thanks Etrailer for everything! Super Costomer Suport! 33188
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
by: Lynn P04/29/2013
Put a pair of TDRTT1500 on my 2012 Dodge Ram 1500 with a mounted veterinary box. Weight about 1200 lb. Easy to pull original spring, jacked up rear, slipped product in and set back down onto spring and wiggled bumper to seat. Truck now sets level as it should. Great improvement in ride. Stiffer ride, corners better. Made several calls to company. Each time got the right answer. I was skeptical about how easy it would be to do. Done in 20 minutes. Made a believer out of me. Lynn 78270
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