Tl* the contact owns a 2014 gmc sierra 1500. While driving various speeds, the vehicle hesitated to decelerate and the brake booster warning indicator illuminated. The vehicle was taken to an unknown dealer and the brake booster was repaired. The manufacturer was made aware of the failure. The failure mileage was 124,000. *bf purchased date 08/03/2015 *tp received money back and opened another case *tp case no. 9-5610299860.
2014 GMC Sierra 1500 brakes complaints
Page 4 of 6: complaints 71 to 100 of 144, newest first, as owners wrote them.
I lost the use of my brakes at low speed today, the pedal became extremely hard and needed increased effort to depress the brake pedal, took to a gmc dealer they couldn't recreate the same issue and they are returning my vehicle without any repairs.
Brakes have not been working at slow speeds. This has been going on for a few years. Brought it to a brake specialist who could not find the problem. Researched it on the internet and found that many people were having problems with a similar issue. They thought it was a faulty vacuum pump. Brought it to gmc beaman in nashville, tn and saw [xxx] (service advisor for beaman automotive). They reported they were not willing to fix the issue and that it would be close to $1000 to fix it. I find this unacceptable after doing research and finding that gmc's parts (not wear and tear) are more likely than not the etiology of the problem. I ask that the dealership be contacted regarding this given the obvious safety risk of the large vehicle not being able to stop. Regards, [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6). *tt
Brake pedal became very stiff and unresponsive at low speed. Almost hit another vehicle. Had to use emergency brake to come to complete stop. Online forums say brake vacuum pump.
Brake pedal got hard , the dash center gave no warning and still has no fault light or any brake warnings lights. We where driving on a city street ,when the brakes stopped working, driving through a red light because we couldn't stop the vehicle and popped the street curb, into an empty property lot
On two separate occasions, each at the end of a two hour drive, I was pulling into a parking space and lost all power to my brakes. They did not depress to the floor, they seemed to almost push back. At that point I pushed harder and the brake pushed to the floor. In both instances I almost hit the parked cars next to me. Due to not having proper braking I had to back up and pull back in, brakes continued to do the same thing. After coming back to my truck in both instances, once after a week at the airport and another after a four hour appointment, my brakes worked fine. This happened on july 16, 2018 and april 11, 2019.
Hard brake pedal at low speeds. Forward or reverse
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.
Was driving through dunkin donuts drive thru when lost my brakes. Had to press the break pedal as hard as I could to get the truck to stop. The truck continued to roll after doing so almost hitting car in front of me. Then sounded like ABS pump kicked kn. Then everything went back to normal.
Tl* the contact owns a 2014 gmc sierra 1500. While driving between 10-15 MPH, the vehicle would not stop when the brake pedal was depressed. Beck & masten buick gmc north (11300 fm 1960 w, houston, tx 77065) stated that the vehicle was not included in any open recalls. The manufacturer was not contacted. The vehicle was not diagnosed or repaired. The failure mileage was 57,000.
Brakes will just lock up and has already cause me a couple of wreaks, gm should really fix this brake issue..it's a safety issue for sure and they should be held responsible.. Gm seems to have gone to for crappy workmanship and poor customer service!!!!
Vacuum pump on brakes went out while driving downhill in a canyon. Could have been a lot worse if weather conditions were not good.
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
2014 gmc sierra vacuum pump failure at 81,201 miles. This seems to be an epidemic with these trucks. I tow an 8,000 pound trailer and to think the truck brakes could potentially not work is insanity. How does gm make the steering electric on this truck and put electric vacuum pumps on the camaro's and corvettes but decides to put a mechanical vacuum pump on the trucks? This is an immediate safety defect that needs to be addressed.
Brakes loose pressure, when pressed on uphill/down hill,in reverse. Ac hose from condenser to compressor is faulty leak out all fluid
This occurrence happened in the spring of 2018. I had exited the highway after a 25 minute drive and sat in a long line to enter a ballpark. The wait in this slow moving line may have been a half hour. In this half hour, I would let off the brake to roll forward and reapply the brake. It was mostly down hill so the gas pedal was unnecessary. When we payed for parking, we were asked to pull over to the side of the road, pointing in the wrong direction for parking. The vehicle was put in park. After issues were resolved, I put the vehicle in drive and turned around for parking. It was here that I pressed the gas pedal to get back in line, but when I hit the brake as I entered my spot, the brake refused to stop the vehicle. I continued to press the brake, bracing my back against the seat back rest, and could feel us slowing, but not to the degree I was pressing the brake pedal for. No accident occurred and the speed I was slowing down from couldn't have been more than 15 MPH. As we entered the parking lot, the problem continued. I could only slow the vehicle by bracing against the brake pedal. I could not get the vehicle to sudden stop from a rolling speed. I reversed into my parking spot, put the vehicle in park, applied the parking brake, and shut off the engine. When I returned from the ball game, I started the vehicle back up, took off the parking brake, put it in drive and tested the brakes in the parking lot. The brakes functioned like normal. Depressing the brakes hard would make the vehicle suddenly stop. I have not had this issue since. I have not returned to the ballpark yet, but I have been in traffic jams and been to other entertainment events which would simulate the same situations.
On 2/12/19 I was driving down a busy street at about 1:30pm I was trying to apply my breaks and I could not stop there was no breaks. I had to swerve into a little street to avoid crashing into another vehicle. I put my truck into park to stop my vehicle from crashing. I had my truck towed to my mechanic and my vacuum pump had to be replaced. Which that is part of my breaking system. The reason I'm making this complaint is because this could have ended up in a fatality which I want to avoid. This part needs to be recalled and all vehicles need to be checked before this happens to someone else. Because it happened to me it can happen to anyone that owns this vehicle. My truck had low miles only 76,470. This issue needs to be addressed immediately.
Vacuum pump for power brake assist went out. Vehicle only has 58000 miles at the time. I lost power brakes while backing up in a gas station causing me to nearly strike a gas pump. Had I not thought fast and depressed my emergency brake I would have struck the pump.
Brake pedal gets hard at red lights stopping power is reduced lack of power assistance
I seem to lose braking power at low speeds after pumping the brakes a couple of times. In order to stop I need to use much more force
Brake pedal gets very stiff at low speed and low RPM. No collision has happened but close calls have happened.
When slowing down, the brake pedal on the vehicle would become hard to press. Once the break pedal became hard, it would take a longer distance to stop the vehicle completely. It happened at slower speeds, for example as I was pulling into a parking lot.
Brake pedal became hard and was difficult to stop properly. I felt that I had no control over this vehicle. .I brought the truck to vail gmc in mt kisco ,ny on sept 22, 2017 they said it was the vacuum pump and had to be replaced at the cost of $353.16. The vehicle only had 40256 miles on it just out of warranty. It was brought to my attention that this a real problem with this issue nationally. This is a potentially a dangerous condition and is unsafe.this braking problem was on the the city street and parking lot.
"takata recall" driving truck down interstate and it just cutoff no steering no breaks all power shuts off. I wait till truck is stooped and try wigging key and make sure gearshift is in right position. After a few min lights come on the dash and the truck will start back up. It says in the notification area in dash let driver side window down and up again. This has happen twice and both times I was on a interstate almost hit by cars behind me. I was driving about 65 MPH going straight most time it would do this if I change lanes.
Drove my vehicle about 15 miles and parked it in a parking lot for about 10 minutes. When I returned and backed out of the parking space the brake pedal would not compress much at all unless I pushed on it with some body weight for leverage and only then the vehicle barely stopped - was travelling at a very low speed but still very hard to stop the vehicle. I tried to pump the brake pedal, then carefully moved the vehicle a couple of times to test the brakes and the condition repeated. I then parked the vehicle and shut off the engine momentarily. The condition persisted when I restarted the vehicle. I started to drive the vehicle slowly and carefully in a loop around the parking lot pumping the brakes a couple times and the pedal finally returned to normal. Had I been on the highway when this condition occurred or had I been towing our 5k-lb trailer the consequences could have been catastrophic. Reading online the issue appears common in gm trucks from 2014 up and the cause was often a failing vacuum pump. I located a copy of a service bulletin published internally by gm discussing the issue and prescribing a repair procedure. The bulletin noted that if engine oil escaped past the seal(s) of the failing vacuum pump replacement of the brake booster, master cylinder, and vacuum line may be required in addition to the pump. Given the appearance of this as a common issue, fear of losing brakes again, and fearing that waiting may necessitate other braking components under the hood needing replacement if the oil seeped through the pump, I promptly replaced the vacuum pump. Following the repair procedure prescribed in the gm bulletin there was no engine oil noted in the vacuum line so no further parts were replaced other than the pump and gasket. Condition has not repeated after replacing pump 1k miles ago. Vehicle had approx. 65k miles when this condition occurred.
While slowing down at traffic truck felt like it was super heavy and kept going, brake pedal got hard and could not press down. Ac went out on me twice do to bad compressor and had to repair at dealer. Transmission knocks when slowing down and hard shifts like its going to break. Also visibility is poor on vehicle when driving at night as the light are very dim. Had to buy alternate lights but still dim.
While backing up into parking space, truck felt like it was pushing something. Brake peddle became hard and when not stop truck, causing vehicle to hit pole and damage both the truck and the pole.
Driving at low speed in traffic on a highway, brakes failed then locked-up causing truck to skid and hit the car in front.
At slow speed backing into a parking spot the break pedal turned really hard to press to stop the truck, it took a lot of force to stop it; shifted the truck into neutral to prevent hitting a pole, shifted the truck back to drive the truck was still showing the same problem the vehicle brake system was useless (unsafe) shifted back into neutral as pedestrians were walking by and used the emergency brake to stop the truck! Please investigate into this issue the truck has less than 50k miles and all service is done at the dealership - after talking to them today they said the truck is out of warranty the potential cost to repair will be $2000
No warning of brake failure especially when backing down a hill at low r.p.m with a boat trailer. This is a very dangerous problem that needs to be addressed a.s.a.p. No warning lights were displayed and no issues before this happened. I'm just glad it was me and not someone else ( wife ) backing us in the water. Please address this as a very serious issue. Someone could have lost their life
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