LOST NORMAL BRAKING GOING DOWN A STEEP HILL AT 25 MPH , HAD TO USE BOTH FEET ON THE BRAKE PEDAL JUST TO STOP.
2014 GMC Sierra brakes problems
severe 117 complaints filed with NHTSA · avg repair $450
Complaints
117
Recalls
0
Crashes
8
Avg fix
$450
What owners are reporting 4 most recent
Hello, I am driving a 2014 Sierra truck with 17,761 miles, my father’s work truck. The first week I had No problems, the 2nd week the Trailer Brake warning came on relentlessly. New truck, scary Warning sign! I took it to GMC to dislocate trailer brake, they sold me a $340 trailer brake control switch. Upon my return to where I live a loud sound came from when I was idling to wait for constructi…
WHILE IN MOTION, APPLIED BRAKES AND THE PEDAL WENT TO THE FLOOR WITHOUT STOPPING. CHECKED BRAKE FLUID AND IT WAS NEAR EMPTY. ONLY 50,000MILES.
This vehicle has the same issue as other recalled GMC Sierra vehicles - the brake booster pump is failing, causing braking difficulty, particularly at low RPM and after repeated presses of the brake pedal.
Common questions
How serious is the brakes problem on the 2014 GMC Sierra?
It's a meaningful issue. 117 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $450.
At what mileage does the brakes typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
No active recalls currently cover brakes issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
Some links on this page are affiliate links.