The brakes on my truck failed (Mostly). I am a big guy and I had to press as hard as I could to apply the brakes, it is a good thing the issue only occurs when I am moving a slow speeds, according to the research I've done (any speed with out brakes is dangerous). I've searched for recalls but I haven't found any active that would help or describes this issue.
First issue happened in a drive through was pulling around the building all of a sudden I had no brakes. Then I tried them again and the brake pedal was extremely stiff and there was a grinding noise when pressing it. I almost hit the person in from of me. I made it home and then the next day everything was fine again. Next I am driving down the road and the service stabilitrack flashes across my dash. Then the ABS light comes on. I try to stop and I have no brakes... luckily there was no one in front of me.
I have not taken it to the shop yet since this just happened last week, but now the stabilitrack service light flashes randomly as I am driving down the road and the parking assist off flashes as I am driving down the road. The ABS and action control light are on on the dash.
My 2015 GMC Sierra brakes stopped working while my wife was backing up in the driveway she had to stand on the pedal with both feet to get the truck to stop before hitting the garage door. It is easy to make the brakes do it again just tap the brakes 4-5 times fast and the pedal gets hard but truck is still moving! I called GMC and they acted like they know nothing about it! GM needs to do a recall before someone gets hurt or killed!
At idle engine speeds the brake pedal was hard to press. Found out in stop and go traffic when I had a tough time stopping. Trouble shot as much as I could. Knew that it wasn't the booster master cylinder. It was either the vacuum pump or valve. Turned out to be a bad vacuum pump on the engine. This is something not normally inspected due to the low failure rate. Typically that last for the life of the car is what I typically found. This happened at 40900 miles and no prior issues with the car. Vehicle serviced at regular intervals with no issues. Bought truck new in 2015. Not under warranty by about 3 months and 5000 miles. Dealer parts and labor cost to replace was 800 dollars. I have not noticed any decreases in engine performance prior to incident. I was lucky to not be in an accident There have been instances of hard brake pedal issues with this model year. Recommend get it fixed as soon as possible.
- Michael F.,
Oceanside, US
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Imagine driving 70mph through outskirts of NYC only to come over the hill with accident in front you. You proceed to brake only to realize 'no brakes' and cannot press down the pedal. You kinda poo your pants a little bit when you realize you can't stop your big GMC 1500 truck with wife and kids inside. Story has a good ending. No accident. Issue repeated itself over the next couple months and then the service the trailer brake light comes on.
Dealer says no recall, no bulletin. No warranty. $1,311.16 - please. Called GMC on 8/10/18 - just finally got a call back 20 days later (after bugging the dickens out of them) for the service rep to say 'we are not going to pay for the repair' DESPITE the FACT they know they have an inherent safety issue with the brake pump/master cylinder failure.
I call this a major GMC FAILURE! Very, very upset that such a dangerous issue is not being recalled/fixed at their expense. There has been class action suits for this issue. She stated she would close my case as 'satisfied'. I corrected her - DISSATISFIED. They will be responsible for lives being lost on this dangerous issue.
Took my trailer into the dealer for warranty work. When backing up I had to apply extreme pressure to the brake pedal to get the vehicle and trailer to stop before plowing into another trailer. It was not a nice feeling. After reading other peoples experiences I see this is a common problem with this model and year. Have an appointment set up for dealer to look at it. My warranty expired at 60,000k. Will see if they stand behind there product and cover the cost of repairs.
During multiple situations, but always at slow speeds (under 5 mph) I have had complete brake failure. I go to push on the brake pedal and the pedal is hard. The truck continues moving and will not stop. It has happened in both forward and reverse. One two occasions I have bumped into a loading dock with the truck. This situation only happens on occasion and always at slow speeds.
Was driving on straightaway at 55 mph. Did not hit brakes. Felt like the rear end fell off. Almost rear ended due to it doing that. They ask if I was towing anything, that is why it kicked on. Will not pull trailer with this vehicle.
A D V E R T I S E M E N T S
BRAKING SAFTEY ISSUE!!!!
The brakes on my truck failed (Mostly). I am a big guy and I had to press as hard as I could to apply the brakes, it is a good thing the issue only occurs when I am moving a slow speeds, according to the research I've done (any speed with out brakes is dangerous). I've searched for recalls but I haven't found any active that would help or describes this issue.
- larrydabeerman, Spring Valley, US