Brakes Failed problems of the 2014 GMC Sierra 1500

Tl the contact owns a 2014 GMC Sierra 1500. While the contact was in stop and go traffic, the brakes failed. The contact was able to steer the vehicle over to the side of the road. The contact waited until the traffic cleared up and was able to drive at a normal speed with the brakes operating normally. The dealer and manufacturer were not notified. The vehicle was not diagnosed or repaired. The failure mileage was 117,500.

Brake assist failed with out warning, brake pedal gets hard, did first time at slow speed in reverse, extreme difficulty in stopping. Luckily was nothing behind me in parking lot. Found out common problem with vacuum pump failure in this year with average mileage around 80,000, I have 86,900 miles. Problem got continued after leaving parking lot when doing 30 mph tried to stop for traffic light, had to push pedal with extreme force to try and stop truck, again fortunately nothing in front of me, so there was no accident.

The brakes on my truck failed and I hit my brick mailbox. I took it to a service center and they said the vacuum pump was not producing enough pressure at low rpms.

Driving at low speed in traffic on a highway, brakes failed then locked-up causing truck to skid and hit the car in front.

The problem has occurred twice in the last week. Both times in normal driving conditions and good weather conditions. While pulling in my driveway at low speed when I pushed on the brake pedal it was hard and would barely depress. There was no power assisted braking and it took me pressing as hard as possible with both feet to get my truck stopped before I hit my garage. This happened again when I was trailering my 1500 lb fishing boat. I was backing it down the ramp and brakes failed again. I had to again press brake pedal as hard as possible and use emergency brakes to stop. There was a noticeable grinding sound in the brakes while trying to stop. Again as if there were no power brakes. Both instances occurred while going 2 to 3 mph but if it happened in an area with pedestrians or at higher speeds it could result in serious property damage and injuries. Please look into this and force gm to take corrective action ASAP.

Gm has a major problem with the vacum pump failing on the 2014 and up 1500 series trucks. Gm has issued a service bullentin pit5361 for this issue. When the vacum pump fails the brakes become almost impossible to apply. After researching the problem it is a very well known issue that many have had. My GMC started this at about the 49,500 mile spot and has caused me to strike a wall and almost a pedestrian in a parking lot. Thankfully I was on my toes and avoided hitting the pedestrian. Im a big man at about 265lbs. When the brakes fail to work I cant press the pedal hard enough with both feet to stop the vehicle. Im currently waiting on gm to return a call for assistance in fixing the problem as this is a costly fix. Braking is a vital and high safety feature on a vehicle. Why this hasnt been addressed before a family is killed is beyond me. Issuing a service bullentine instead a recall for such a vital part a vehicle is reckless.

Tl the contact owns a 2014 GMC Sierra 1500. While driving at low speeds, the brakes failed to stop the vehicle when the brake pedal was depressed. The contact stated that the brake pedal had to be depressed with force to operate correctly. The vehicle was taken to henson Chevrolet Buick GMC (201 n may st, madisonville, TX 77864, (866) 551-9977) where it was diagnosed that the brake booster vacuum pump needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was 23,000.

The contact owns a 2014 GMC Sierra 1500. While driving 15 mph, the brake pedal was depressed upon coming to a red light but failed to respond without warning. The contact was able to stop the vehicle after downshifting and depressing the brake pedal. The vehicle was towed to a dealer where it was diagnosed that the brake assist failed and needed to be repaired. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 34,000. The VIN was not available.

The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving at 65 mph, the contact attempted to depress the brake pedal but it failed to respond. The contact had to apply extreme force to the brake pedal and shift the gear shifter into neutral in order to get the vehicle to stop. The vehicle was taken to a dealer, who diagnosed that the brake booster needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 153,758.