2003 Gmc Sierra Complaints

  • Service Brakes 07/16/2017

    BRAKE FAILURE UPON SLOWING DOWN AT OFF RAMP. AVOIDED ACCIDENT BUT HAD TOTAL BRAKE FAILURE. PULLED INTO PARKING LOT, CHECKED FLUID LEVELS, WERE OK, TRIED BRAKES AGAIN AND THEY WERE WORKING. HAVE NOT HAD A PROBLEM SINCE.HAVE HEARD REPORTS OF SIMILAR NATURE. SOME THINK IT IS A PROBLEM IN THE VALVING.HOPE YOU CAN FIND A CURE.

  • Engine 12/12/2011

    MY 2003 GMC SIERRA 1500 PRESENTLY HAS 67,631 MILES ON IT. WITH ABOUT 46,000 MILES ON MY TRUCK AT THE END OF 2011, I NOTICED LOW COOLANT, BUT COULD NOT FIND A NOTICEABLE LEAK. I CONTINUED TO ADD COOLANT, BUT COULD NEVER FIND THE LEAK. WHILE HAVING MY OIL CHANGED IN JUNE 2016, THE DEALER (WHERE VEHICLE HAD BEEN PURCHASED AND SERVICED) SAID COOLANT HAD LEAKED INTO THE OIL DUE TO A CRACKED CYLINDER HEAD, AND ESTIMATED APPROX $3500 TO FIX IT. IN DEC 2016, THEY RECOMMENDED REPLACING THE ENGINE AT $6600. IN RESEARCHING THIS PROBLEM, I FOUND GM SERVICE BULLETIN #06-06-01-019B, 12 JUNE 2007, SUBJECT INFORMATION ON GRADUAL COOLANT LOSS OVER TIME WITH NO EVIDENCE OF LEAK FOUND. IT DISCUSSES A KNOWN MANUFACTURING DEFECT WITH CASTECH HEADS USED IN THE 5.3L VORTEC ENGINE AS I HAVE IN MY TRUCK. SUBSEQUENT ONLINE SEARCHES INDICATED THIS WAS A COMMON PROBLEM AMONG SUCH GM ENGINES. I WENT BACK TO THE DEALER WITH THE SERVICE BULLETIN AND ASKED WHAT GM WOULD DO TO ASSIST IN THE REPAIR OF THIS K...

  • Service Brakes 05/09/2017

    TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. THE CONTACT OBSERVED AN ABNORMAL SOUND FROM THE REAR BRAKES WITHOUT WARNING. THE CONTACT TOOK THE VEHICLE TO THE LOCAL DEALER (BETTEN BAKER GMC LOCATED AT 749 W MAIN ST, LOWELL, MI, 49331) WHERE IT WAS DIAGNOSED THAT THE REAR BRAKES HAD FAILED. THE VEHICLE WAS REPAIRED. TWO WEEKS LATER, THE CONTACT OBSERVED A PUDDLE UNDER THE FRONT DRIVER DOOR AND REALIZED IT WAS BRAKE FLUID. IN ADDITION, THE CONTACT OBSERVED THAT THE PAINT ON THE FRAME WAS FAILING AND WAS WET DUE TO THE EXCESSIVE LEAKAGE OF THE BRAKE FLUID. THE CONTACT RESEARCHED ONLINE TO SEE THE COMPLAINTS ON HIS VEHICLE AND FOUND A CLOSED INVESTIGATION DUE TO BRAKE LINE CORROSION UNDER NHTSA ACTION NUMBER: EA11001 (BRAKES). THE VEHICLE WAS NOT DIAGNOSED AGAIN. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 117,000.

  • Service Brakes 01/04/2017

    MY TRUCK HADN'T BEEN DRIVEN FOR A COUPLE OF WEEKS, BUT THERE WAS NO INDICATION OF ANYTHING AMISS THE LAST TIME I DROVE IT. THE TRUCK IS PARKED AT THE TOP OF A APPROX. 40FT. LONG DRIVEWAY THAT IS MODERATELY STEEP. I STARTED THE TRUCK AND SLOWLY BEGAN BACKING DOWN THE DRIVEWAY AND THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. IT FLEW DOWN THE DRIVEWAY, GOING BETWEEN A PARKED CAR AND ANOTHER STEEP HILL, WINDING UP IN MY NEIGHBORS FRONT YARD, WHERE I MANAGED TO ABRUPTLY TURN IT AND BRING IT TO A STOP BEFORE GOING THRU HIS LIVING ROOM. FREQUENTLY, THERE ARE AS MANY AS 6TO8 KIDS PLAYING THERE, BUT BEING A BAD WEATHER DAY(COLD),, LUCKILY, THERE WAS NOBODY THERE. THE POSSIBILITIES OF A TERRIBLE DISASTER ARE FRIGHTENING. AS IT STANDS, THE ONLY 'DISASTERS' ARE THE RUTS IN MY NEIGHBORS YARD, A DESTROYED RECYCLING CONTAINER AND MY BANK ACCOUNT,-TO A TUNE OF JUST OVER 1700$. MY MECHANIC SAYS HE HAS DONE OVER A HALF DOZEN OF THESE REPAIRS LATELY. TO MY WAY OF THINKING, GM IS SERIOUSLY NEGLIGENT...

  • Service Brakes 10/08/2016

    I WAS DRIVING ON I 75 DOING 70 MPH I HAD TO COME TO A SUDDEN STOP I APPLIED BRAKES AND THERE WAS NO BRAKES., I ENDED UP PUTTING TRUCK IN THE DITCH TO AVOID SERIOUS ACCIDENT. IT ENDED BOTH BRAKE LINES FROM MASTER CYLINDER BOTH BLEW UP FROM CORROSION THESE LINES WENT TO THE ABS MODULE. I WAS SOME WHAT INJURED. *TR

View Complaints for Other Gmc Sierra Years