Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
340–25K
4925–50K
7950–75K
10275–100K
124100–150K
55150K+
443 reports with mileage · 66 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Service Brakes. Review the 184 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes, Hydraulic. Review the 164 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Structure. Review the 30 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
45 crash reports5 fire reports15 injury reports
What owners actually said
509 reports
103,200 miles · Oct 19, 2015
Structure
WAS REPLACING BRAKE LINES AFTER A RUSTY LINE BROKE AND SEEN EXCESSIVE RUST ON THE PASSENGER SIDE FRAME IN THE FRONT 1/4 OF PICKUP. THE FRAME HAS A LONG HOLE ON BOTTOM OF FRAME SPANING ABOUT 10 INCHES AND ABOVE THE SAME SECTION OF FRAME HAS A LONG RUSTED CRACK RUNNING PARALLEL WITH THE FRAME SPANING ABOUT 8 INCHES. THE REST OF…
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WAS REPLACING BRAKE LINES AFTER A RUSTY LINE BROKE AND SEEN EXCESSIVE RUST ON THE PASSENGER SIDE FRAME IN THE FRONT 1/4 OF PICKUP. THE FRAME HAS A LONG HOLE ON BOTTOM OF FRAME SPANING ABOUT 10 INCHES AND ABOVE THE SAME SECTION OF FRAME HAS A LONG RUSTED CRACK RUNNING PARALLEL WITH THE FRAME SPANING ABOUT 8 INCHES. THE REST OF THE FRAME LOOKS IN GOOD CONDITION.
NHTSA ODI #10783532
41,000 miles · Oct 9, 2015
Service Brakes
WHILE DRIVING THROUGH MY SUBDIVISION APPROXIMATELY 20 MPH AND PRESSING THE BRAKE, THE PEDAL WENT COMPLETELY TO THE FLOOR AND THE VEHICLE DID NOT SLOW DOWN. I PUMPED THE PEDAL REPEATEDLY AND ONLY SLIGHT BRAKING ACTION COULD BE ACHIEVED. I WENT THROUGH THE SUBDIVISION JUST NARROWLY MISSING TWO CROSSING CARS AND KIDS THEN TURNED ON…
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WHILE DRIVING THROUGH MY SUBDIVISION APPROXIMATELY 20 MPH AND PRESSING THE BRAKE, THE PEDAL WENT COMPLETELY TO THE FLOOR AND THE VEHICLE DID NOT SLOW DOWN. I PUMPED THE PEDAL REPEATEDLY AND ONLY SLIGHT BRAKING ACTION COULD BE ACHIEVED. I WENT THROUGH THE SUBDIVISION JUST NARROWLY MISSING TWO CROSSING CARS AND KIDS THEN TURNED ONTO A NEARBY SIDE STREET. AFTER FINALLY GETTING THE VEHICLE TO STOP, I GOT OUT AND SAW A PUDDLE OF BRAKE FLUID FORMING A FEW FEET BEHIND THE DRIVER SIDE FRONT WHEEL.
NHTSA ODI #10780971
201,000 miles · Sep 27, 2015
Service BrakesCrash
BRAKES FAILED COMPLETELY. AFTER I FELT THE BRAKE PEDEL WAS NOT RIGHT I BACKED THE TRUCK INTO THE FRONT YARD, AND WHEN I TRIED TO STOP THERE WAS NO PEDEL AND THE TRUCK KEPT GOING AND HIT A TREE, LAWN BENCH,MISC. OBJECTS, AND STOPPED AFTER HITTING S RETAINING WALL. I ESTIMATE SEVERAL THOUSAND DAMAGE DONE. I WAS TOLD THE BRAKE LINE…
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BRAKES FAILED COMPLETELY. AFTER I FELT THE BRAKE PEDEL WAS NOT RIGHT I BACKED THE TRUCK INTO THE FRONT YARD, AND WHEN I TRIED TO STOP THERE WAS NO PEDEL AND THE TRUCK KEPT GOING AND HIT A TREE, LAWN BENCH,MISC. OBJECTS, AND STOPPED AFTER HITTING S RETAINING WALL. I ESTIMATE SEVERAL THOUSAND DAMAGE DONE. I WAS TOLD THE BRAKE LINES WERE RUSTED.
NHTSA ODI #10777960
200,000 miles · Sep 20, 2015
Service Brakes
I WAS DRIVING IN APPOMATTOX VA WHEN I STEP ON BREAK I HAD NO BREAKS. TWO OF LINES HAD BUST.
NHTSA ODI #10765352
116,000 miles · Sep 18, 2015
Service Brakes
APPROACHED CORNER AND PRESSED BRAKES TO TURN. PEDDLE WENT TO THE FLOOR. ALMOST RAN INTO A CAR TURNING AND I HAD TO SWERVE TO MISS THEM.
NHTSA ODI #10765218
Mileage unknown · Sep 18, 2015
Power Train
TL* THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 60 MPH, THE TRANSMISSION FAILED TO RESPOND PROPERLY IN THE OVERDRIVE POSITION. IN ADDITION, THE TRANSMISSION TEMPERATURE WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED WHENEVER THE VEHICLE WAS IN OPERATION. THE VEHICLE WAS TAKEN TO AN INDEPEND…
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TL* THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 60 MPH, THE TRANSMISSION FAILED TO RESPOND PROPERLY IN THE OVERDRIVE POSITION. IN ADDITION, THE TRANSMISSION TEMPERATURE WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED WHENEVER THE VEHICLE WAS IN OPERATION. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC ON THREE SEPARATE OCCASIONS WHERE A REPAIR WAS PERFORMED EACH TIME. THE CONTACT WAS UNCERTAIN OF THE SPECIFIC PARTS THAT WERE REPLACED. THE FAILURE RECURRED AND AN INDEPENDENT MECHANIC WAS DIAGNOSING THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE AND VIN WERE UNAVAILABLE.
NHTSA ODI #10765058
133,000 miles · Sep 6, 2015
Service Brakes
MULTIPLE TIMES STOPPING ABOUT 4-5 MPH ON DRY PAVEMENT, MY VEHICLES ABS SYSTEM KICKS ON AND I LOOSE BREAKING POWER.
NHTSA ODI #10761876
140,000 miles · Sep 2, 2015
Service Brakes
THE FIRST TIME I LOST ALL BRAKES WAS WHEN I WAS BACKING UP TO A TRALER ON 7/13/15. THE SECOND TIME I WAS HAULING A DUMP TRAILER WITH ROCK AND LOST ALL BRAKES AND WAS ABLE TO GET IT TO COAST TO A STOP. THE FIRST INCIDENT WAS TAKEN TO A CHEVY DEALERSHIP AND HAD THE REAR BRAKE LINE REPLACED, ONLY TO LOSE MY BRAKES AGAIN 40 DAYS LAT…
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THE FIRST TIME I LOST ALL BRAKES WAS WHEN I WAS BACKING UP TO A TRALER ON 7/13/15. THE SECOND TIME I WAS HAULING A DUMP TRAILER WITH ROCK AND LOST ALL BRAKES AND WAS ABLE TO GET IT TO COAST TO A STOP. THE FIRST INCIDENT WAS TAKEN TO A CHEVY DEALERSHIP AND HAD THE REAR BRAKE LINE REPLACED, ONLY TO LOSE MY BRAKES AGAIN 40 DAYS LATER! THIS TIME IT WAS MY FRONT BRAKE LINE. WHY IS THERE NO RECALL ON THIS? I DON'T FEEL SAFE DRIVING THIS VEHICLE ANYMORE. I HAVE 3 YOUNG CHILDREN AND I CAN'T TRUST YOUR VEHICLE WITH THEIR LIVES OR MINE!
NHTSA ODI #10760968
116,000 miles · Sep 2, 2015
Fuel/propulsion System
TL* THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT FUEL WAS LEAKING UNDER THE VEHICLE. IN ADDITION, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED AS SOON AS THE VEHICLE WAS OPERATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP WAS LEAKING AND NEEDED TO BE REPLACED. THE …
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TL* THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT FUEL WAS LEAKING UNDER THE VEHICLE. IN ADDITION, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED AS SOON AS THE VEHICLE WAS OPERATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP WAS LEAKING AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 116,000. MA 10/19/2015
NHTSA ODI #10760937
70,000 miles · Aug 11, 2015
Fuel/propulsion SystemService Brakes
LUCKILY I WAS PULLING IN MY DRIVEWAY WHEN I FOUND OUT MY BRAKES HAD GONE BECAUSE THEY HAD RUSTED THROUGH NOT LONG AFTER MY GAS WAS POURING OUT CAUSE THE FUEL LINES RUSTED AND NOW CHANCES ARE I WONT GET AN INSPECTION STICKER THIS COMING YEAR BECAUSE MY FRAME IS RUSTED OUT
NHTSA ODI #10747921
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2
EA04011 · Parking Brake Failure
Opened Apr 9, 2004 · Closed May 10, 2005
Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical; Parking Brake:conventional:mechanical:linkage And Cable
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Additional source detail variants (4)
Parking Brake:conventional
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake:conventional:mechanical
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake:conventional:mechanical:linkage And Cable
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
PE03057 · Parking Brake Failure
Opened Dec 8, 2003 · Closed Apr 9, 2004
Status: closed (inferred from source dates) · Parking Brake
ODI OPENED PE03-057 TO ASSESS PARKING BRAKE INEFFECTIVENESS IN THE SUBJECT VEHICLES.THESE VEHICLES ARE EQUIPPED WITH FOUR WHEEL DISC BRAKES THAT INCORPORATE A SINGLE-SHOE DRUM-IN-HAT PARKING BRAKE INDEPENDENT OF THE SERVICE BRAKES.COMPLAINT AND WARRANTY DATA INDICATE THAT THE PARKING BRAKE LININGS TEND TO WEAR OUT EARLY IN THE LIFE OF THE VEHICLE (AT AN AVERAGE OF 24 MONTHS IN SERVICE), REDUCING THE PARKING BRAKE SYSTEM'S TORQUE BELOW THAT NEEDED TO IMMOBILIZE THE VEHICLE.GM HAS ATTRIBUTED THIS ACCELERATED WEAR TO FOREIGN MATERIAL INTRUSION AND A FAILURE OF THE BRAKE SHOE TO PROPERLY SELF-CENTER WITHIN ITS BRAKE DRUM.EFFECTIVE WITH THE START OF MY 2003 PRODUCTION, A NEWER REDUCED FORCE HOLD-DOWN CLIP WAS INTRODUCED TO FACILITATE BRAKE SHOE DISENGAGEMENT FROM THE DRUM SURFACE.THIS PART IS ALSO AVAILABLE AT THE SERVICE LEVEL FOR THE MY 1999-2002 VEHICLES.GM HAS INDICATED THAT THE PAKING BRAKE IS INTENDED TO OPERATE IN CONJUNCTION WITH THE TRANSMISSION TO IMMOBILZE PARKED VEHICLES, AND THAT IN MANY CASES, ACCELERATED PARKING BRAKE LINING WEAR IS CAUSED BY ROUGH USE, VEHICLE MODIFICATIONS, AND DRIVING WITH THE PARKING ENGAGED. ODI HAS UPGRADED THE PRELIMINARY EVALUATION TO AN ENGINEERING ANALYSIS TO GATHER FURTHER INFORMATION CONCERNING PARKING BRAKE USAGE FACTORS AND THE CIRCUMSTANCES SURROUNDING THE SEVENTEEN REPORTED VEHICLE CRASHES.
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