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Brake Fluid Leak problems of the 2004 GMC Sierra



Six problems related to brake fluid leak have been reported for the 2004 GMC Sierra.

car   Brake Fluid Leak problem 1
Failure Date: 11/21/2014

Started out when brake fluid started leaking from the truck. Brake petal went to the floor. Luckily did not happen when was driving. Found out the brake lines were rusted and was leaking and the repair cost would be over $1200. Looking on the internet this looks to be a known for certain GMC/chevy year trucks.

car   Brake Fluid Leak problem 2
Failure Date: 08/20/2014

I was driving in a 40 mph street when I noticed the trafic signal was about to turn red when I applied the brakes the pedal when down to the floor I lost all brakes I slowed down by down shifting the transmission and aplying the emergency brake. When I pulled over there was brake fluid leaking all over under drivers side door. Upon inspection I noticed the brake lines rusrted out and lost all fluid. I could have been killed there was no warning. I needed to have my brake lines replaced I beleive this is a start of something bad if gm dosent act on this problem.

car   Brake Fluid Leak problem 3
Failure Date: 08/16/2014

Brake pedal had no pressure and went to the floor. Truck wouldn't stop. Later I noticed a brake fluid leak. There was no leak before the incident and brakes worked perfectly earlier in the day. If I hadn't been in a parking lot and out on the road, there would certainly have been an accident.

car   Brake Fluid Leak problem 4
Failure Date: 07/09/2014

I had not driven my truck in a few months due to other problems with the ventilation controls. While beginning to prepare the truck to tow a 3500 pound boat I needed to reposition the truck in my driveway. The driveway slopes down to the street. While moving the truck, on my driveway, the brake pedal went completely to the floor. Pumping the brakes was not able to stop the truck that was traveling at idle speed. All braking was gone and the truck rolled down the driveway and into traffic on my street. By turning off the engine and coasting to a stop (in gear) just avoided an accident. After getting the truck back in my driveway I found two distinct puddles of brake fluid under the truck. Inspecting the brake lines showed that there were at least two different failure points in the brake lines. One closer to the master cylinder and another a few feet further back. I believe one failure occurred in the front brake circuit and the other was in the rear brake circuit which led to the *complete* loss of braking. This is contrary to gm claims that this failure can not lead to total brake loss. I have pictures and video of the failure points that I can forward if needed.

car   Brake Fluid Leak problem 5
Failure Date: 08/31/2012

I left my house for work and approx. 3 blocks from my house I attempted to slow down to make a right hand turn. I pressed on the brakes and the pedal went all the way to the floor. I had no brakes. At this time and this was the first time, the brake light on the dash came on. I was driving at 30 mph with no brakes, I coasted into a parking lot and used the parking brake to stop the truck. Outside and under the drivers door of the 2004 Sierra extended cab there was brake fluid leaking. The 8 year old truck had rusted brake lines that failed. My concern is that I lost all brakes without warning. After a little research I noticed many of these trucks have the same problem. They are 5000 pound torpedos on the road and without warning. Will something be done before a serious accident occurs? I tried contacting GMC via their website e-mail but an error message occurred. Try a complaint on their site. . . . . It don't work!!!.

car   Brake Fluid Leak problem 6
Failure Date: 02/15/2005

While driving 5 mph consumer lost power steering and braking control. Consumer managed to pull over, and had the vehicle towed. Dealership was notified, but did not resolve the problem. Consumer states he stepped onto the brake pedal and heard a loud explosion under the hood. The consumer immediately lost brakes and steering and smoke also poured from under the vehicle. Once he vehicle was stopped the consumer exited the vehicle and saw fluid pouring from the vehicle onto the ground. The hood was opened and the consumer saw the vehicle was taken to two different dealer but the found nothing wrong. The dealer replaced the hydrobooster assembly accumulator which had come apart.