There are 50 owner-reported brakes complaints for the 2005 GMC Sierrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2005 GMC Sierra 3500. The contact stated that while driving at an undisclosed speed, the vehicle failed to come to a stop while the brake pedal was depressed. The contact stated that the brake pedal felt loose. The ABS warning light was illuminated. The contact was able to bring the vehicle to a complete stop and the contact became aware of a brake fluid leak coming from under the hood, and that both front and rear brake lines were rusted. An appointment with the dealer was scheduled to inspect the vehicle. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 85,000.
A CAR DROVE THROUGH AN INTERSECTION IN FRONT OF ME AS I WAS DRIVING ON A CITY STREET, MARCH 3, 2018. I HIT THE BRAKES AND TURNED AWAY FROM THE VEHICLE. MY BRAKES FAILED, BRAKE PEDAL WENT TO THE FLOOR AS I WAS STOPPING. BRAKE LINE NEAR LH FR.T WHEEL BUSTED AND BRAKE FLUID SHOT OUT. LUCKY I TURNED AWAY AS I WAS BRAKING THAT I MISSED THE OTHER VEHICLE. THE OTHER VEHICLE ALSO TURNED AWAY FROM ME AND THEN DROVE AWAY.
BRAKES FAILED WHILE DRIVING DUE TO METAL BRAKE LINE CORROSION CAUSING AN ACCIDENT. POLICE REPORT: MOORESVILLE, INDIANA PD #A17315
I DROVE UP TO A STOP LIGHT AND PUSHED THE BRAKES AS USUAL. A BRAKE LINE BURST AND I COASTED THRU THE STOP LIGHT. I USED MY EMERGENCY BRAKE TO STOP. I THINK ALL BRAKE LINES SHOULD BE MADE FROM STAINLESS STEEL UP HERE IN WISCONSIN. THIS DEFINITELY IS A SAFETY ISSUE.
BREAK LINE RUSTED AND BROKE ALMOST RESULTING IN AN ACCIDENT WHEN TRYING TO STOP BRAKE PETAL WENT TO FLOOR
I HAVE HAD THE BRAKES GO OUT 3 DIFFERENT TIMES ON ME IN THE LAST YEAR. THERE ARE NO SIGNS OF PROBLEMS AND YOU STEP ON THE BRAKES AND A LINE BLOWS. YOU HAVE NO BRAKES PEDDLE GOES TO THE FLOOR AND LITTLE TO NO STOPPING. ONE TIME I WAS COMING DOWN A DIRT ROAD TO A STOP SIGN AND STEPPED ON THE BRAKES AND A LINE BLEW AND THE ABS KICKED IN BECAUSE OF THE DIRT ROAD AND I COULD NOT STOP AND WENT RIGHT THROUGH A INTERSECTION. THEY USED CHEAP LINES, AND NOW PEOPLE IN THE NE WHERE SALT IS USED ARE HAVING PROBLEMS. I COULD HAVE BEEN KILLED.THE LINE RUSTY OUT WHERE THEY BEND AND SALT AND DIRT BUILD UP. THERE IS NO REASON THEY CAN NOT MAKE THESE LINES OUT OF SS OR AS WITH THE NEWER LINES THEY ARE COATED. WHY COME OUT WITH A COAT LINE IF THERE IS NOT A PROBLEM. *TR
WHILE DRIVING AT APPROXIMATELY 55 MPH ON URBAN ROAD I HAD TO SLAM ON MY BRAKES BECAUSE OF A DRIVER BACKING OUT OF A DRIVEWAY IN FRONT OF ME. BRAKES INITIALLY SLOWED VEHICLE THEN BRAKE PEDAL WENT CLEAR TO THE FLOOR. I QUICKLY ENGAGED PARKING/EMERGENCY BRAKE AND WAS ABLE TO STOP JUST IN TIME WHILE SIMULTANEOUSLY RUNNING OFF THE RIGHT SIDE OF THE ROAD. AFTER INSPECTION LEAKING BRAKE FLUID WAS OBSERVED ON LEFT UPPER FRAME RAIL JUST TO THE REAR OF THE RADIATOR. AFTER BEING TOWED HOME FUTURE INSPECTION REVEALED A LONGITUDINAL FRACTURE ON THE BRAKE LINE FOR THE RIGHT FRONT WHEEL. NO INJURIES, MINOR DAMAGE TO RIGHT SIDE (BRUSH SCRAPES). *TR
BLEW OUT ONE BRAKE LINE LOST ALL BRAKES NO BACKUP,PEDAL WENT ALL THE WAY TO THE FLOOR. 54,000 MILES ALL LINES RUSTED ALL NEEDED TO BE REPLACED THANK GOD I JUST PULLED INTO A PARKING LOT.
BRAKE LINES RUSTED OUT. VERY FEW MILES. GMC IS RESPONSIBLE FOR THIS.
TAKING VEHICLE OUT OF PARK BRAKE PEDAL WENT ALL WAY TO FLOOR BECAUSE STEEL LINE RUPTURED CAUSING MASSIVE LEAKAGE OF BRAKE FLUID, ROLLED OUT OF DRIVE WAY INTO STREET CUTTING WHEEL TO AVOID WRECK BEFORE COULD GET IN NEUTRAL AND ROLL TO STOP !
WHEN BACKING OUT OF A LONG DRIVEWAY, THE BRAKE PEDAL SUDDENLY DROPPED TO THE FLOOR AND BRAKES DID NOT SLOW, STOP OR ENGAGE AT ALL. I PUMPED THE BRAKE SEVERAL TIMES WITH NO RESPONSE WHATSOEVER AND WAS ONLY ABLE TO STOP BY PULLING ONTO THE GRASS WHILE APPLYING THE EMERGENCY BRAKE. I FOUND ONE BRAKE LINE ON THE FRONT DRIVER SIDE HAD RUSTED THROUGH, BUT NONE OF THE OTHERS HAD A LEAK AND THE BRAKE FLUID WAS STILL FULL. WITH ONLY ONE BRAKE LINE DAMAGED I LOST ALL BRAKING POWER.
BRAKE PEDAL WENT ALL THE WAY TO FLOOR. RUSTED THROUGH BRAKE LINE NEAR REAR DRIVER SIDE TIRE
TL* THE CONTACT OWNS A 2005 GMC SIERRA 3500. WHEN THE BRAKE PEDAL WAS DEPRESSED AT 20 MPH, THE VEHICLE HESITATED TO RESPOND WITHOUT WARNING. AFTER INSPECTING THE VEHICLE, IT WAS DISCOVERED THAT THE BRAKE LINES WERE CORRODED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED THREE ADDITIONAL TIMES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 75,000. ...UPDATED 11/15/17 *BF *TR
ON 11-30-2015 I LOST THE BRAKE SYSTEM WHILE DRIVING ON A CITY STREET. UPON INSPECTION I FOUND A RUPTURED BRAKE LINE FROM THE PRIMARY SIDE OF THE MASTER CYLINDER. THE BRAKE LINE HAD FAILED DUE TO CORROSION. INSPECTING OTHER BRAKE LINES, I FOUND OTHERS THAT HAD CORROSION WHERE PLASTIC CLIPS WERE USED TO LOCATE LINES. I HAVE OWNED THIS TRUCK SINCE NEW AND HAVE CARED FOR IT METICULOUSLY. THE TRUCK HAS 66,00 MILES ON IT. I HAVE NEVER OWNED ANY VEHICLE THAT HAD IT BRAKE LINES RUST THROUGH LIKE THIS. A MAJOR CATASTROPHE TO ME AND MY FAMILY WAS AVERTED BY PULLING OVER AT THE FIRST SIGN OF FAILURE. GM SHOULD BE HELD LIABLE FOR EVERY VEHICLE IT MANUFACTURED WITH POOR QUALITY MATERIALS THAT CAN CAUSE FAILURE TO THE SINGLE MOST IMPORTANT PART OF AN AUTOMOBILE, THE BRAKES. AS YOU CAN SEE FROM THE ATTACHED PHOTOS, THIS TRUCK IS NOT RUSTED ANYWHERE ELSE.
VEHICLE WAS STOPPED. BRAKE PEDDLE WENT TO THE FLOORBOARD. NOT ABLE TO PUMP UP ANY PRESSURE. INVESTIGATION SHOWED BRAKE FLUID COMING FROM PERFORATED BRAKE LINE AT LEFT FRONT WHEEL. NO BRAKING ACTION AVAILABLE! APPEARS TO BE SOME TYPE OF CORROSIVE REACTION BETWEEN THE BRAKE LINE AND THE CLAMPS USED TO FASTEN THE LINE TO THE CHASSIS. NOTE: THIS VEHICLE HAS NEVER BEEN OPERATED IN SNOW OR ROAD SALT TO MY KNOWLEDGE.
BRAKE FAILURE DO TO RUSTED OUT LINES.A ONGOING PROBLEM THAT GM WILL NOT TAKE RESPONSIBILITY FOR THE POOR QUALITY OF THESE LINES PUTTING PEOPLE'S LIVES AT RISK.
WITHOUT ANY WARNING, MY BRAKE LINES FAILED AND I COULD NOT STOP MY TRUCK. I LIVE IN THE NORTHEAST AND IT WOULD SEEM REASONABLE FOR BRAKE LINES TO RUST OUT. HOWEVER, MY TRUCK IS ONLY 10 YEARS OLD AND I HAVE SPENT THOUSANDS OF DOLLARS KEEPING IT WASHED, INCLUDING THE UNDERCARRIAGE. I HAVE NEVER HAD A BRAKE LINE FAIL ON ANOTHER CAR AND I HAVE DRIVEN SOME REALLY OLD VEHICLES. I HAVE ALSO NEVER HEARD OF ANYONE I KNOW HAVING A PROBLEM WITH THEIR VEHICLES. THIS IS BECAUSE IT IS A SPECIFIC PROBLEM WITH GMC SIERRA AND CHEVY SILVERADO.
2005 GMC 2500HD THAT THE BRAKE LINES FAILED. AFTER CHECKING THEY ARE RUSTED EVERYWHERE. I LOOKED ON THE INTERNET AND I SEE THAT THIS IS A ONGOING ISSUE WITH THIS MODEL YEAR.
METAL BRAKE LINE RUPTURED WHEN ATTEMPTING TO STOP QUICKLY, NARROWLY MISSING STOPPED VEHICLE AHEAD
A VEHICLE APPROACHING FROM MY LEFT SIDE WAS SPEEDING AND RAN THE STOP LIGHT IN FRONT OF ME AT APPROXIMATELY 40MPH. I SLAMMED ON MY BRAKES TO AVOID THE COLLISION AND MY BRAKES WET TO THE FLOOR. I MISSED HITTING THE CAR BY ABOUT 1 FOOT. AT AN INSPECTION AT A DEALERSHIP IT APPEARS THE BRAKE LINES HAD RUSTED THROUGH UNDER THE DRIVERS SIDE OF THE TRUCK. APPARENTLY FORM ROAD SALT CORROSION,
Showing 1–20 of 50 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026