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  1. Tow Bar Braking Systems
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FITS 2009 Chevrolet Cobalt
Roadmaster Even Brake Portable Flat Tow Brake System - Proportional

Roadmaster Even Brake Portable Flat Tow Brake System - Proportional

Item # RM-9400
Our Price: $1,463.73
Tow Bar Braking Systems
Confirmed to Fit
2009 Chevrolet Cobalt

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Roadmaster tow bar braking systems for your 2009 Chevrolet Cobalt are available from etrailer.com. Installation instructions and reviews for your Chevrolet tow bar braking systems. Expert service, and great tow bar braking systems prices. etrailer.com carries a complete line of Roadmaster products. Order your Roadmaster Even Brake Portable Flat Tow Brake System - Proportional part number RM-9400 online at etrailer.com or call 1-800-940-8924 for expert service.
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2009 Chevrolet Cobalt - Roadmaster Even Brake Portable Flat Tow Brake System - Proportional

  • Proportional System
  • Air Brakes
  • Air Over Hydraulic Brakes
  • Hydraulic Brakes
  • Brake Systems
  • Portable System
  • Roadmaster
  • Not Power Assist Brake Compatible

Portable unit gets you smooth braking without a complex installation. Measures the RV's braking and applies your towed car's brakes with the same intensity, at the same time. Easy to swap between multiple cars. Includes LCD braking monitor.


Features:

  • Applies towed vehicle's brakes proportionally for comfortable braking
    • Measures motorhome's braking and activates car's brakes with same intensity
    • Prevents false braking with terrain-sensing technology
  • Lets you adjust force and sensitivity for smooth braking
  • Swaps easily between multiple towed vehicles
    • Requires a second vehicle kit (RM-98400 - sold separately) for each alternate car
  • Adjusts to fit almost any car
    • Adjustable feet: sits level for optimal performance
    • Adjustable clamp: fits around almost any brake pedal
    • Adjustable seat pad: rises/lowers to brace firmly against seat
  • Monitors braking with wireless receiver - plugs into 12V accessory outlet in cab of RV
    • 3 LED lights keep you updated on what the system is doing at a glance
    • LCD screen displays detailed messages, helping you troubleshoot
    • Audio alarms alert you to problems immediately
    • Transmitter connects to brake light switch to ensure accurate reading
  • Protects against battery drain
    • Monitor alerts you to low battery level
    • Sleep mode turns system off if battery gets too low, while retaining emergency braking power
  • Includes breakaway system
  • Meets the braking requirements of both the US and Canada
  • Made in the USA


Specs:

  • Dimensions: 12" tall x 11-1/4" wide x 16" long
  • Voltage: 12 volts DC
    • Requires 15 amps of power to function properly
  • Length of power cord: 42"
  • Max amperage draw: 10.8 amps
  • Idle amperage draw: 47 mA
  • Weight: 17 lbs
  • Limited lifetime warranty


Note: Cannot be used with hybrids or other cars with continuous-power-assist brakes.


Do I Need a Braking System for Flat Towing?

A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your RV's brakes, and affect the warranty of both your car and motorhome. Most states legally require a supplemental braking system, so if you don't use one and you end up in an accident (which is more likely since your RV takes longer to come to a full stop), your insurance and liability headache just doubled. You also won't have any breakaway system; if there's an accidental disconnect, there's nothing to bring your car to a stop.


Pros of a Portable System

First, this system is great for DIYers, since you can get the basic installation done yourself. It's really only the braking monitor that will need to be wired and installed, and that's it.


Second, it offers you a lot of flexibility. It's easy to move from one toad (towed vehicle) to another - or, if you think you'll swap out your current vehicle for another one down the road, you can easily set the Even Brake up in your new toad.


How Does the Even Brake Work?

The Roadmaster Even Brake uses a built-in inertia sensor to detect when your flat tow setup begins to slow down as you apply the brakes in your motorhome. The moment the system recognizes the change in momentum, the actuator will press down the brake pedal of your toad proportionally: at the same time, with the same intensity. Meanwhile, the terrain-sensing technology keeps the unit from activating when you're just going over bumps in the road, so it doesn't brake when it doesn't need to.


Setting Up the Roadmaster Even Brake

You'll be setting up this portable unit in your toad every time you flat tow, so it's designed to be easy to do. And because it's so adjustable, it fits in almost any vehicle on the market.


Road Master Even Brake set up

Step 1: Position the Even Brake

Move the driver's seat all the way back and place the Even Brake on the floorboard. It's important that the unit sits as level as possible so the actuator has enough leverage to effectively push down the brake pedal, so adjust the feet of the unit to suit your floorboard if need be. Twist the feet by hand to get them to the height you want and then tighten the locknuts with a wrench.


Note: If your vehicle has a rubber floor mat, remove it before installation to keep the Even Brake from shifting out of position.


Step 2: Attach the brake pedal clamp

Road Master Even Brake air release button

Next you need to get the clamp securely attached to the brake pedal. Before you do anything else, make sure that all the air in the cylinder is released. Any excess air will keep it from extending properly. Hold down the air release button while you pull the clamp forward and extend the shaft, then release.


Road Master Even Brake adjustable feet

You'll pull back on the spring post to widen the jaws of the clamp. Make sure that the arrow is pointing up and the jaws close snugly around the pedal. Insert the pin into the slotted arm of the spring post to hold it in place.


Note: Some compact cars have pedals that are too small to use with the normal clamp. Use RM-9329-VW (sold separately) instead. Fits brake pedals up to 2" wide and 3" tall.


Road Master Even Brake seat pad

Now slide the driver's seat forward again so that it just touches the handle/seat pad. The handle should sit level with the part of the seat that you want it to push against. Adjust if needed.


Step 3: Plug in and power up

Road Master Even Brake seat pad

Plug the unit into the car's 12-volt outlet and plug the transmitter of the braking monitor into the unit. Press the Test button to boot up the unit and prepare it for flat towing. The Even Brake will run a self-diagnostic cycle and test out the brake clamp to make sure that everything's working properly. (If it's not, the LCD monitor will help you troubleshoot the problem.)


Once it gives you the green light, you're ready to go!


Braking Force and Sensitivity

The first time you set up the Even Brake, you'll need to program your Force and Sensitivity settings. Once you've set them, you won't need to change them unless you get a different vehicle or want to tinker with how your braking feels.


Even Brake force setting and sensitivity setting

The Force setting will determine how hard the unit presses your brake pedal. There are 3 levels: less, average, and more. A heavier vehicle will need more, while a small vehicle will need less. You can always adjust the setting up or down if it doesn't feel right.


The Sensitivity setting is very similar, with 3 levels of less, average, and more. This setting determines when the unit will activate. On the less setting, the unit will only activate when the motorhome brakes forcefully. On the more setting, it will activate when there's only a light tap on the brakes.


Troubleshoot with Digital Braking Monitor

Included with the Even Brake is a digital monitor for safety and peace of mind. This monitor, plugged into the 12V outlet in your motorhome and mounted on the dashboard, is a simple and convenient way to keep tabs on whether the system is working properly or if something is going wrong.


Road Master Even Brake transmitter

The transmitter in the toad connects directly to your car's brake light switch, so it's not just checking that the system is activating, but that the toad is actually braking. If the Even Brake does shift during travel, it could apply the brakes continuously or not at all. This could happen with any portable system, but with this handy monitor, you'll know right away if something goes wrong.


Road Master Even Brake Monitor

The Even Brake monitor uses LED lights, an LCD text display, and audible alerts to keep you fully informed. The 3 LEDs - green, yellow, and red - are a quick and easy way to see that the Even Brake is functioning and what it is doing. If you need more detail, the LCD display gives you full messages to help you troubleshoot.


The audible alert only sounds in the event of an emergency. This way you'll know right away if, for example, a breakaway has occurred, even if you aren't watching the monitor.


Breakaway System

The Even Brake also comes with a breakaway switch, an absolute must for safe flat towing. If there's ever an emergency situation where your toad becomes detached from the motorhome, the breakaway switch will immediately activate the brakes and bring the vehicle to a stop.


This switch mounts to the front of your toad and plugs into the braking monitor transmitter. It includes a pin that connects to your RV's hitch receiver with a breakaway cable. If the toad and RV become disconnected, the cable will pull the pin out of the switch and trigger the braking system. A reserve air supply in the operating unit will then apply the brakes in the car.



9400 Road Master Even Brake Supplemental Braking System - Proportional

Installation Details RM-9400 Installation instructionsAlternate Instructions RM-9400 Installation instructions

Customer Satisfaction Score:


Customer Reviews

Roadmaster Even Brake Portable Flat Tow Brake System - Proportional - RM-9400

Average Customer Rating:  4.6 out of 5 stars   (46 Customer Reviews)

Portable unit gets you smooth braking without a complex installation. Measures the RV's braking and applies your towed car's brakes with the same intensity, at the same time. Easy to swap between multiple cars. Includes LCD braking monitor.

by:
1996 Ford F-250 and F-350

So I never used mine. This is for those trying to decide if they need one. I tow an F250 with a 43’ tag axle, with an 8.9l Cummings. Yes I can feel the truck back there but I have never had the need for additional braking. Crossing the Snoqualmie pass on I-90 or driving through the cascades, I have no problems slowing with the engine brake. I have a big rig and tow a big truck so if this is your set up I’d give it a shot before committing to such an expensive item that I never use. I’m sure smaller rigs pulling larger trucks will benefit from a device like this.



by:
2022 Jeep Cherokee

Ordering was easy. Delivered very promptly. Actually cheaper then what the manufacturer sells it for. Live near manufacturer and having them install all my flat towing components this month. Great service Etrailer!!

Robert

10/11/2023

It is working great. Have just used it on a 2700 mile trip. It has been easy to hook up and disconnect. It has given us that feeling of extra security towing our vehicle.

Etrailer Expert

Mike L.

11/3/2023

@Robert That's great! We're happy to hear that your Roadmaster # RM-9400 Even Brake is still working well for you...


by:

Very happy I received it, normal great service from etrailer but had a shipping issue, (shipper's fault). I will always go through etrailer first for anything RV related. I will be back!



by:

I ordered a complete towing package from etrailer for my Sprinter RV to tow a Hyundai Accent. The Roadmaster Even Brake was the supplemental braking system that etrailer recommended. The system has worked flawlessly. After the original set-up, it literally takes all but 2 minutes to either put in or take out and stores neatly in the trunk of my Accent when not in use. The instructions for use and adjustment are clear and easy to understand. After a year of use, I couldn't be happier with this system.

John K.

5/3/2021

Im happy to say that my towing package from etrailer is as reliable as they day we bought it and it has towed our little car around from coast to coast more times than I care to remember. At this point, I can hook up our car in my sleep! Thanks.



by:
2017 Toyota Tacoma

Very nice piece of equipment. Installation was no problem. The instructions are clear and easy to follow. It fits nicely in 2017 Tacoma. Initial drive showed a noticeable improvement in stopping smoothness without adjusting any of the settings from normal yet.



by:

Very easy to install with the supplied directions als o watched video of install on etrailer.com. Haven’t used it yet but very pleased with toehold system.



by:
Jeep

Great for towing jeep behind the truck



by:

Very fast shipping



by:

Great customer service from William and the team at E Trailer. Kept me updated at all times throughout the process.



by:
2015 Jeep Cherokee

Great product, but when ordering you need to request any updated supplemental technicians bulletins for your specific vehicle (my vehicle = 2015 Jeep Cherokee Trailhawk). Installation using the included product installation instructions exactly (not being told that there were updated technicians bulletins) caused the vehicle battery to run down to the point where I couldn't operate any vehicle electronics or start the vehicle. A call e-Trailer provided updated information. The manufacturer (Roadmaster) was aware of the issue and provided solution instructions. Had this been offered when ordered, I would have avoided having to deal with a dead battery and extra installation time. When installed using the updated information, the product works great.



by:

etrailer never contacted me because of delay. etrailer forwarded order to supplier. Customer service for etrailer is so bad. It wasn't until I contacted etrailer some 5-6 months later to get refund. This could have been a better experience had etrailer recommended a replacement product. etrailer is now my last choice!
Last person was very rude that I spoke to about this product



by:
2012 Fiat 500

Very good product
Easy to install and
to use
Very good service from etrailer

Jean-luc

2/4/2020

Very good



by:

The system is quickly installed and works extremely well. I had one emergency stop and it reduced the time to stop incredibly.



by:

I've had an Even Brake for over 20 years and love it. The old unit wore out. This new unit was an exact fit and appears to have a few more features.



by:

I have a lot of trouble getting this wo rking

Etrailer Expert

Jenny N.

1/5/2023

That is definitely not what we want to hear about this braking system. It is designed to work smoothly. Can you tell me more about your experience with it. I am happy to help.



by:

Installation instructions were complete and helpful. No problem one year later.



by:

Will at e-trailer did a great job of answering very detailed Qs and helping with this order. Arrived quicker than expected. Very happy with the CS at e-trailer as well as this product,.



by:
2012 Chevrolet Equinox

It is pretty easy to attach to the vehicle and remove once you get to your destination. It is pretty light so it doesn't take much to move it.



by:

Great product, great delivery, great service. I wish the RV dealers had as much integrity as etrailer!



by:

Wish I had brought it sooner

Theodore

1/19/2019

Good no complaints works well



by:

It's a little clunky to store when not in use but works as advertised.



by:

I received all my order parts together nothing short able to continue my project.



by:

Easy to use and set up. I'm glad I choose this system. I haven't had any problems with RM-9400, great system



by:
2006 Chevrolet Malibu

It works!! What more can I say



by:

The unit is being installed Tue sday, january 21st. I checked the box, everything seems to be in order and was packed securely. At this point in time extremely happy with the service. The unit was delivered one day earlier than anticipated. Great job.


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