https://plaincars.com/make/gmc-sierra-classic New NHTSA complaints and recalls filed for the GMC Sierra Classic. en-us Sun, 18 Oct 2026 03:29:57 GMT https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1267947 Tue, 15 Mar 2016 00:00:00 GMT RUSTY BRAKE LINES LOST BRAKES, THINK THAT A VEHICAL SHOULD GO 10 YEARS WITHOUT BRAKE LINES RUSTING AWAY I WAS LUCKY WHEN THEY BROKE I WAS HOME BUT JUST GOT BACK FROM ANOTHER STATE AND WAS AT HIGHWAY SPEEDS. https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1232524 Tue, 27 Oct 2015 00:00:00 GMT THE PRIMER PUMP HOUSING DEVELOPS A SMALL LEAK AROUND A ELECTRICAL CONNECTION. THIS COULD LEAD TO A FIRE AS FUEL DROPS ON THE ENGINE. GM IS AWARE OF PROBLEM IT HAS BEEN ON GOING FOR SEVERAL YEARS. IT ONLY OCCURS WHEN VEHICLE IS RUNNING. NOTE-NO FIRE HAS HAPPEN TO MY VEHICLE, NOR DO I KNOW OF A FIRE OCCURRING. I JUST BELIEVE THIS IS UNSAFE. THE ONLY WAY TO CORRECT THE PROBLEM IS TO REPLACE PR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1195097 Wed, 01 Jul 2015 00:00:00 GMT I DROVE DOWN THE STREET AND THE TRUCK STARTED SMOKING. THE SMOKE STARTED TO INCREASE SO I TURNED THE TRUCK AROUND AND PARKED IT OUT FRONT OF MY HOUSE AND ALL OF THE SUDDEN FLAMES STARTED TO APPEAR. NEEDLESS TO SAY THE TRUCK JUST BLEW UP. *TR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1168804 Tue, 24 Mar 2015 00:00:00 GMT WHY IS GM RECALL 14121 LIMITED TO NEW VEHICLES? IT HAS BEEN A RECURRENT, COMMON PROBLEM SINCE LONG BEFORE 2000. LONG BEFORE I BOUGHT MY 2007 GMC SIERRA CLASSIC 2500HD WHICH IS ON THE THIRD REPAIR. I JUST REPLACED A TRANSMISSION COOLER LINE IN MY DRIVEWAY. TODAY. WHICH IS STEADILY ERODING BY WAY OF CONTINUOUS TRANSMISSION COOLER LEAKS. IT CONTINUOUSLY COATS THE UNDERSIDE OF VEHICLE, REDUCING LIFE https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1168805 Tue, 24 Mar 2015 00:00:00 GMT WHY IS GM RECALL 14121 LIMITED TO NEW VEHICLES? IT HAS BEEN A RECURRENT, COMMON PROBLEM SINCE LONG BEFORE 2000. LONG BEFORE I BOUGHT MY 2007 GMC SIERRA CLASSIC 2500HD WHICH IS ON THE THIRD REPAIR. I JUST REPLACED A TRANSMISSION COOLER LINE IN MY DRIVEWAY. TODAY. WHICH IS STEADILY ERODING BY WAY OF CONTINUOUS TRANSMISSION COOLER LEAKS. IT CONTINUOUSLY COATS THE UNDERSIDE OF VEHICLE, REDUCING LIFE https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1168806 Tue, 24 Mar 2015 00:00:00 GMT WHY IS GM RECALL 14121 LIMITED TO NEW VEHICLES? IT HAS BEEN A RECURRENT, COMMON PROBLEM SINCE LONG BEFORE 2000. LONG BEFORE I BOUGHT MY 2007 GMC SIERRA CLASSIC 2500HD WHICH IS ON THE THIRD REPAIR. I JUST REPLACED A TRANSMISSION COOLER LINE IN MY DRIVEWAY. TODAY. WHICH IS STEADILY ERODING BY WAY OF CONTINUOUS TRANSMISSION COOLER LEAKS. IT CONTINUOUSLY COATS THE UNDERSIDE OF VEHICLE, REDUCING LIFE https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1144267 Sun, 04 Jan 2015 00:00:00 GMT AS I WAS TRAVELING ABOUT 35MPH APPROACHING A RED STOPLIGHT I PROCEEDED TO PRESS THE BRAKE PEDAL ALL THE WAY TO THE FLOOR, WITH NO BRAKING OF THE VEHICLE. LUCKILY I WAS ABLE TO QUICKLY SHIFT THE VEHICLE INTO NEUTRAL AND ENGAGE THE EMERGENCY BRAKE AND AVOID COLLISION. AFTER FURTHER INSPECTION I FOUND THE HARD BRAKE LINE RUNNING TO THE FRONT LEFT WHEEL HAD RUPTURED CAUSING THE LOSS OF BRAKE FLUID https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1107792 Wed, 10 Sep 2014 00:00:00 GMT RUSTED REAR BRAKE LINE TUBING - LOSS OF FLUID - NO BRAKING POWER ON ANY WHEELS - EMERGENCY BRAKE WAS THE ONLY WAY OF STOPPING THE TRUCK. *TR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1103778 Fri, 29 Aug 2014 00:00:00 GMT 2007 GMC SIERRA CLASSIC WITH APPROXIMATELY 54,000 MILES WAS BEING DRIVEN INTO A GARAGE TO HAVE WHEELS BALANCED. AS THE TECHNICIAN APPLIED THE BRAKES ENTERING THE GARAGE, THE BRAKE LINES ON THE FRONT DRIVERS SIDE OF THE VEHICLE RUPTURED AND THE BRAKE PEDDLE WENT TO THE FLOOR. BRAKE FLUID POURED OUT ONTO THE FLOOR AND THE BRAKES BECAME COMPLETELY UNUSABLE. IF THIS HAD HAPPENED A FEW HOURS EARLIER IN https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1084759 Wed, 09 Jul 2014 00:00:00 GMT AS A MINIVAN IN FRONT OF ME PUT THEIR LEFT TURN SIGNAL ON LATE, I HAD TO HIT MY BRAKES QUICKLY AND WHEN I DID MY BRAKE PEDAL WENT TO THE FLOOR AND I WAS PUMPING AIR AND HAD NO BRAKES AT ALL. I SWIRVED AROUND THE VAN AND LUCKILY I WAS ON AN INCLINED ROAD AS I WAS ABLE TO SLOW THE VEHICLE DOWN INTO A LOT AND THEN PULLED THE EMERGENCY BRAKE TO GET THE TRUCK STOPPED. MY FRONT AND BACK BRAKE LINE BLE https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1079350 Wed, 25 Jun 2014 00:00:00 GMT TL* THE CONTACT OWNS A 2007 GMC SIERRA CLASSIC. THE CONTACT STATED THAT THE BRAKE LINES WERE SEVERELY CORRODED. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 31,000. https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1079351 Wed, 25 Jun 2014 00:00:00 GMT TL* THE CONTACT OWNS A 2007 GMC SIERRA CLASSIC. THE CONTACT STATED THAT THE BRAKE LINES WERE SEVERELY CORRODED. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 31,000. https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1057557 Thu, 17 Apr 2014 00:00:00 GMT I WAS DRIVING MY 2007 GMC SIEARRA CLASSIC 2500HD WT AND MY BRAKE LINE FAILED. I WENT THREW THE STOP SIGN OUT ONTO A MAIN ROAD AND JUST MISSED GETTING T-BONED BY A TRACTOR TRAILER. I HAD NO BRAKES AT ALL. MY BRAKES ARE ALL UP TO DATE. BRAND NEW BRAKE PADS AND ROTORS. I READ TONS OF COMPLAINTS ONLINE OF PEOPLE WITH THE SAME PROBLEM WITH GM VEHICLES BRAKE LINES RUSTING OUT PREMATURELY. MY TRUCK ONLY https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-1022891 Wed, 20 Nov 2013 00:00:00 GMT WHILE DRIVING THE TRUCK ON A RESIDENTIAL STREET, THE BRAKES COMPLETELY FAILED WHEN I DEPRESSED THE BRAKE PEDAL (IT WENT TO THE FLOOR) AND ATTEMPTED TO STOP. I LOST ALL NORMAL BRAKING ABILITY AND HAD TO STOP BY DOWN SHIFTING AND APPLYING THE EMERGENCY BRAKES. WHEN I GOT THE TRUCK STOPPED AND GOT OUT, I FOUND THAT THE BRAKE FLUID WAS POURING OUT ONTO THE GROUND. A QUALIFIED MECHANIC INSPECTED THE T https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-949627 Thu, 15 Nov 2012 00:00:00 GMT HVAC SYSTEM BECAME OPERATIONAL WITH THE IGNITION TURNED OFF FOR AN UNKNOWN PERIOD OF TIME WHILE THE TRUCK WAS PARKED IN THE GARAGE. RELAY RESISTOR MODULE OVERHEATED CAUSING MELTING OF THE RESISTOR AND CIRCUIT BOARD. TRUCK CABIN AND VICINITY AROUND THE TRUCK HAD A STRONG SMELL OF BURNING PLASTIC. TRUCK CABIN FILLED WITH SMOKE. WAS ONLY ABLE TO TURN OFF THE HVAC SYSTEM AND STOP THE BURNING BY DISCO https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-949628 Thu, 15 Nov 2012 00:00:00 GMT HVAC SYSTEM BECAME OPERATIONAL WITH THE IGNITION TURNED OFF FOR AN UNKNOWN PERIOD OF TIME WHILE THE TRUCK WAS PARKED IN THE GARAGE. RELAY RESISTOR MODULE OVERHEATED CAUSING MELTING OF THE RESISTOR AND CIRCUIT BOARD. TRUCK CABIN AND VICINITY AROUND THE TRUCK HAD A STRONG SMELL OF BURNING PLASTIC. TRUCK CABIN FILLED WITH SMOKE. WAS ONLY ABLE TO TURN OFF THE HVAC SYSTEM AND STOP THE BURNING BY DISCO https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-904862 Mon, 13 Feb 2012 00:00:00 GMT BRAKES FAILED COMPLETELY, HAD TO USE EMERGENCY BRAKE TO STOP. THE BRAKELINE WAS RUSTED THRU. THE TRUCK ONLY HAS 37,091 MI. AND HAS NEVER BEEN IN EXTREME COLD AS I LIVE IN FLORIDA. *TR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-819666 Wed, 13 Oct 2010 00:00:00 GMT 2007 GMC SIERRA CLASSIC. CONSUMER STATES BRAKES FAILURE *TGW THE CONSUMER STATED HE HAD TO USE THE EMERGENCY BRAKE TO SLOWLY COME TO A STOP. THE CONSUMER OPENED THE HOOD AND DISCOVERED THERE WAS NO BRAKE FLUID IN THE RESERVOIR. HE ADDED FLUID TO SEE WHERE IT WAS GOING. HE NOTICED THAT THE BRAKE LINE ON TOP OF THE CHASSIS WAS RUSTED THROUGH COMPLETELY AND THAT WAS WHERE THE FLUID WAS LEAKING. *J https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-779551 Wed, 07 Apr 2010 00:00:00 GMT FRONT INNER BRAKE PADS SEIZED INTO CALIPERS, CAUSING FRONT WHEELS TO DRAG AND SKIP. FACTORY CALIPERS ORIGINAL. *TR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-778139 Wed, 31 Mar 2010 00:00:00 GMT ENGINE SHUTS DOWN, "SERVICE BRAKE SYSTEM" MESSAGE APPEARS IN DISPLAY, ABS LIGHT ILLUMINATES. SINCE ENGINE SHUTS DOWN, LOSE STEERING AND BRAKING. LATEST INCIDENT OCCURED ON HIGHWAY DURING RUSH HOUR. THIS ALSO HAPPENED FIRST YEAR I OWNED THE VEHICLE (I BOUGHT IT NEW), THEY REPLACED THE UNDERHOOD FUSE BOX. THIS HAPPENED AGAIN ON MARCH 13. THEY REPLACED A BLOWN PCM FUSE AND SAID THEY COULD FIND N https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-767058 Thu, 25 Feb 2010 00:00:00 GMT I WAS DRIVING AT 55 MILES PER HOUR AND THE TRUCK JUST STOPPED RUNNING. THERE WAS NO WARNING. I HAD TO PULL OVER FAST TO AVOID AN ACCIDENT. THE TRUCK ONLY HAS 40,000 MILES ON IT. THE DEALERSHIP SAYS THAT IT IS A FUEL CELL AND THAT IT IS NOT COVERED UNDER MY 100,000 MILE WARRANTY. *TR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-740428 Tue, 20 Oct 2009 00:00:00 GMT MY 2007 GMC SIERRA CLASSIC HAS THE SAME PROBLEM AS EARLIER MODEL YEARS THAT WERE RECALLED. THE ABS IS ENGAGING DURING LOW SPEED STOPS, WHICH CAUSES LONGER STOPPING DISTANCE AND COULD CAUSE AN ACCIDENT. *TR https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-718105 Tue, 28 Apr 2009 00:00:00 GMT OUR CUSTOMER/INSURED WAS DRIVING HIS 2007 GMC SIERRA ON APRIL 23, 2009 WITH HIS CHILD IN THE BACK SEAT, THE AUTO STARTED ON FIRE AS HE WAS DRIVING. HE WAS ABLE TO GET OUT OF THE AUTO WITH THE CHILD BEFORE FIRE REACHED THE INTERIOR. THE FIRE STARTED IN THE ENGINE COMPARTMENT AND TRAVELED THROUGHOUT THE REST OF THE AUTO BEFORE THE FIRE DEPARTMENT COULD GET TO THE SCENE. OVER 3/4 OF THE AUTO WAS TOTA https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-698432 Tue, 02 Dec 2008 00:00:00 GMT THE TRUCK AFTER 40 MILES STARTED SCREECHING FROM THE FRONT WHEN GOING AROUND CORNERS,AND WAS REPORTED TO THE DEALER SAM SWOPE, I WAS INFORMED THAT IT WAS NORMAL, ON THE WAY TO TOWN THE TRUCK STALLED AND WAS TOWED FOR REPAIR TURNS OUT THE COIL PLUG SHORTED OUT WIRES WERE REPLACED, NEXT DAY THE TRUCK STALLED AGAIN TOWED AGAIN TURNS OUT THAT BOOTH CATALYTIC CONVERTERS WERE PLUGGED,BOOTH REPLACED. E https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-698433 Tue, 02 Dec 2008 00:00:00 GMT THE TRUCK AFTER 40 MILES STARTED SCREECHING FROM THE FRONT WHEN GOING AROUND CORNERS,AND WAS REPORTED TO THE DEALER SAM SWOPE, I WAS INFORMED THAT IT WAS NORMAL, ON THE WAY TO TOWN THE TRUCK STALLED AND WAS TOWED FOR REPAIR TURNS OUT THE COIL PLUG SHORTED OUT WIRES WERE REPLACED, NEXT DAY THE TRUCK STALLED AGAIN TOWED AGAIN TURNS OUT THAT BOOTH CATALYTIC CONVERTERS WERE PLUGGED,BOOTH REPLACED. E https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-698434 Tue, 02 Dec 2008 00:00:00 GMT THE TRUCK AFTER 40 MILES STARTED SCREECHING FROM THE FRONT WHEN GOING AROUND CORNERS,AND WAS REPORTED TO THE DEALER SAM SWOPE, I WAS INFORMED THAT IT WAS NORMAL, ON THE WAY TO TOWN THE TRUCK STALLED AND WAS TOWED FOR REPAIR TURNS OUT THE COIL PLUG SHORTED OUT WIRES WERE REPLACED, NEXT DAY THE TRUCK STALLED AGAIN TOWED AGAIN TURNS OUT THAT BOOTH CATALYTIC CONVERTERS WERE PLUGGED,BOOTH REPLACED. E https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-698435 Tue, 02 Dec 2008 00:00:00 GMT THE TRUCK AFTER 40 MILES STARTED SCREECHING FROM THE FRONT WHEN GOING AROUND CORNERS,AND WAS REPORTED TO THE DEALER SAM SWOPE, I WAS INFORMED THAT IT WAS NORMAL, ON THE WAY TO TOWN THE TRUCK STALLED AND WAS TOWED FOR REPAIR TURNS OUT THE COIL PLUG SHORTED OUT WIRES WERE REPLACED, NEXT DAY THE TRUCK STALLED AGAIN TOWED AGAIN TURNS OUT THAT BOOTH CATALYTIC CONVERTERS WERE PLUGGED,BOOTH REPLACED. E https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-698436 Tue, 02 Dec 2008 00:00:00 GMT THE TRUCK AFTER 40 MILES STARTED SCREECHING FROM THE FRONT WHEN GOING AROUND CORNERS,AND WAS REPORTED TO THE DEALER SAM SWOPE, I WAS INFORMED THAT IT WAS NORMAL, ON THE WAY TO TOWN THE TRUCK STALLED AND WAS TOWED FOR REPAIR TURNS OUT THE COIL PLUG SHORTED OUT WIRES WERE REPLACED, NEXT DAY THE TRUCK STALLED AGAIN TOWED AGAIN TURNS OUT THAT BOOTH CATALYTIC CONVERTERS WERE PLUGGED,BOOTH REPLACED. E https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#complaint-698437 Tue, 02 Dec 2008 00:00:00 GMT THE TRUCK AFTER 40 MILES STARTED SCREECHING FROM THE FRONT WHEN GOING AROUND CORNERS,AND WAS REPORTED TO THE DEALER SAM SWOPE, I WAS INFORMED THAT IT WAS NORMAL, ON THE WAY TO TOWN THE TRUCK STALLED AND WAS TOWED FOR REPAIR TURNS OUT THE COIL PLUG SHORTED OUT WIRES WERE REPLACED, NEXT DAY THE TRUCK STALLED AGAIN TOWED AGAIN TURNS OUT THAT BOOTH CATALYTIC CONVERTERS WERE PLUGGED,BOOTH REPLACED. E https://plaincars.com/make/gmc-sierra-classic https://plaincars.com/make/gmc-sierra-classic#recall-07E066000-gmc-gmc-sierra-classic-2007 Tue, 28 Aug 2007 00:00:00 GMT CERTAIN CEQUENT 90 DEGREE 7-WAY RIGHT ANGLE ADAPTORS SOLD BY DISTRIBUTORS IN TOW PACKAGES FOR AFTERMARKET SALES TO TOW 5TH WHEEL RV TRAVEL TRAILERS. DUE TO INCORRECT WIRING OF THE HARNESS, THE TRAILER LIGHTS MAY NOT OPERATE PROPERLY.