NHTSA owner reports · September 18, 2026 snapshot.
Structure complaints
30 reportsClear category filter147,000 miles · Mar 23, 2011
Structure
TL*THE CONTACT OWNS A 2001 CHEVROLET SILVERADO K1500. THE CONTACT STATED THAT WHILE TRYING TO CHANGE A FLAT TIRE THE SPARE TIRE WOULD NOT LOWER FROM THE CABLE SYSTEM. THE CONTACT WAS UNABLE TO CHANGE THE TIRE DUE TO THE CABLE SYSTEM FOR THE SPARE MALFUNCTION. THE CONTACT HAD TO PURCHASE A USED TIRE TO CHANGE THE FLAT TIRE. THE …
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TL*THE CONTACT OWNS A 2001 CHEVROLET SILVERADO K1500. THE CONTACT STATED THAT WHILE TRYING TO CHANGE A FLAT TIRE THE SPARE TIRE WOULD NOT LOWER FROM THE CABLE SYSTEM. THE CONTACT WAS UNABLE TO CHANGE THE TIRE DUE TO THE CABLE SYSTEM FOR THE SPARE MALFUNCTION. THE CONTACT HAD TO PURCHASE A USED TIRE TO CHANGE THE FLAT TIRE. THE CONTACT TOOK THE VEHICLE TO THE DEALER IN ORDER TO EXPLAIN WHAT HAPPENED WITH THE SPARE TIRE. THE DEALER INFORMED THE CONTACT THAT A DIAGNOSTIC TEST NEEDED TO BE PERFORMED. THE CONTACT STATED THAT THE FAILURE WAS A MANUFACTURERS DEFECT. THE FAILURE MILEAGE WAS 147,000. UPDATED 1/13/2012 *LN *TR
NHTSA ODI #10392596
90,000 miles · Dec 15, 2010
EquipmentStructureInjury
TL*THE CONTACT OWNS A 2001 CHEVROLET SILVERADO 1500 EQUIPPED WITH A DORMAN EXTERIOR DOOR HANDLE. WHILE OPENING THE REAR DRIVERS SIDE DOOR THE CONTACT'S HAND WAS CUT ON THE DOOR HANDLE AS IT DETACHED FROM THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO DIAGNOSE OR REPAIR THE DOOR HANDLE. THE FAILURE AND CURRENT MILEAGES…
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TL*THE CONTACT OWNS A 2001 CHEVROLET SILVERADO 1500 EQUIPPED WITH A DORMAN EXTERIOR DOOR HANDLE. WHILE OPENING THE REAR DRIVERS SIDE DOOR THE CONTACT'S HAND WAS CUT ON THE DOOR HANDLE AS IT DETACHED FROM THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO DIAGNOSE OR REPAIR THE DOOR HANDLE. THE FAILURE AND CURRENT MILEAGES WERE 90,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10370774
56,000 miles · Jun 4, 2006
Electrical SystemEquipmentParking Brake
BRAKE ROTORS CORRODED COMPLETELY , EMERGENCY BRAKE RUSTED COMPLETELY , MASSIVE RUST UNDER TRUCK , BRAKE CALIPERS RUSTED , POWER STEERING WENT OUT ,A.C. FAN WENT OUT, SHORT IN WIRING IN DOOR LOCKS AND WINDOWS, THIS A 2001, 56,000, MILES, LOW MILEAGE TRUCK TO HAVE SO MANY PROBLEMS, THE DEALERSHIP SAID THEY HAD NOT SEEN THIS PROB…
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BRAKE ROTORS CORRODED COMPLETELY , EMERGENCY BRAKE RUSTED COMPLETELY , MASSIVE RUST UNDER TRUCK , BRAKE CALIPERS RUSTED , POWER STEERING WENT OUT ,A.C. FAN WENT OUT, SHORT IN WIRING IN DOOR LOCKS AND WINDOWS, THIS A 2001, 56,000, MILES, LOW MILEAGE TRUCK TO HAVE SO MANY PROBLEMS, THE DEALERSHIP SAID THEY HAD NOT SEEN THIS PROBLEM BEFORE, I LOOKED IT UP, THERE IS RUSTING AND TOTAL CORROSION OF THE BRAKE ROTORS IN MANY DIFFERENT STATES, OVER ALONG PERIOD OF TIME, EVEN WHEN THE ROTORS ARE REPLACED THEY ARE RUSTING COMPLETELY AGAIN. CHEVY IS SELLING AN EXPENSIVE TRUCK, AND THEN PROFITING AGAIN ON THE REPLACEMENT OF THE DEFECTIVE PARTS, AND MAKING A PREMIUM PROFIT ON THAT TOO.! THEY ARE NOT BOTHERING TO FIX A DEFECT THAT HAS BEEN GOING ON FOR A LONG TIME. VERY DISGUSTED WITH THE CHEVY SILVERADO, MY FIRST AND LAST CHEVY. *NM
NHTSA ODI #10158960
Mileage unknown · Mar 4, 2005
Fuel System, OtherStructureVisibility
I PURCHASED NEW A 2001 SILVERADO PICK-UP. I'VE HAD TO REPLACE THE FUEL LEVEL SENSOR@ 48000 MILES,TAILGATE STRAPS@ 65000 MILES, AND NOW ELECTRIC WINDOW MOTOR/REGULATOR@ 80000 MILES. I'VE TRIED TO WORK WITH GM ABOUT THE PROBLEMS AND POSSIBLE REENBURSMENT FOR THESE REPAIRS AS WELL AS MY LOCAL DEALERSHIP. I DON'T BELIEVE AFTER PAYIN…
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I PURCHASED NEW A 2001 SILVERADO PICK-UP. I'VE HAD TO REPLACE THE FUEL LEVEL SENSOR@ 48000 MILES,TAILGATE STRAPS@ 65000 MILES, AND NOW ELECTRIC WINDOW MOTOR/REGULATOR@ 80000 MILES. I'VE TRIED TO WORK WITH GM ABOUT THE PROBLEMS AND POSSIBLE REENBURSMENT FOR THESE REPAIRS AS WELL AS MY LOCAL DEALERSHIP. I DON'T BELIEVE AFTER PAYING OVER 30K FOR A NEW VEHICLE, GM WILL NOT BACK THEIR PRODUCTS OR SHARE IN THE COST OF REPLACING THESE OVERPRICED PARTS. IS THERE ANYTHING THAT I CAN DO?*AK
NHTSA ODI #10112516
Mileage unknown · Jan 6, 2005
Electrical SystemEngine And Engine CoolingExterior Lighting
THE CONSUMER REQUESTED ASSISTANCE FOR 15 FAILURES AND OR PROBLEMS WITH GM 2001 CHEVY TRUCK. *BF THE STEERING ROD ASSEMBLY WOULD POP WHEN THE STEERING WHEEL WAS TURNED, THE SHIFTER BOOT RIPPED IMMEDIATELY, THE TAILGATE STRAPS BROKE AND BENT THE TAILGATE, THE PCV VALVE WAS USING 4 QUARTS OF OIL AND THE DEALER WAS UNABLE TO FIN…
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THE CONSUMER REQUESTED ASSISTANCE FOR 15 FAILURES AND OR PROBLEMS WITH GM 2001 CHEVY TRUCK. *BF THE STEERING ROD ASSEMBLY WOULD POP WHEN THE STEERING WHEEL WAS TURNED, THE SHIFTER BOOT RIPPED IMMEDIATELY, THE TAILGATE STRAPS BROKE AND BENT THE TAILGATE, THE PCV VALVE WAS USING 4 QUARTS OF OIL AND THE DEALER WAS UNABLE TO FIND THE PROBLEM, THE BATTERY EXPLODED AT 40K MILES, THE RIGHT REAR BRAKE ON THE INSIDE HAD WORN DOWN THE METAL, THE LIGHTS ON THE STEREO BURNED OUT, THE LIGHTS HAD BURNED OUT, THE VALVE COVER WERE LEAKING OIL BEFORE 100K MILES, THE FUR WHEEL DRIVE SWITCH HAD BROKEN AT 50K MILES, THE TRANSMISSION DID NOT SHIFT AT 1K MILES AND THE DEALERS WERE UNABLE TO FIND THE PROBLEM, THE ENGINE EXPERIENCED A PRE-IGNITION KNOCK AND THE DEALER WAS UNABLE TO FIND THE PROBLEM, THE DRIVER'S SEAT CONTROLS RIPPED AT 60K MILES, THE TRANSMISSION HAD COMPLETE GONE OUT AT 118K MILES AND THE SEAT BELTS LATCH SYSTEM HAD BECOME DEFECTIVE. *SC
NHTSA ODI #10109401
Mileage unknown · Nov 3, 2004
Structure
RECEIVED RECALL REPLACE GALVANIZED SUPPORT CABLES WITH STAINLESS STEEL CABLES, DEALER REFUSE TO REPAIR UNDER WARRANTY. *BF *TC
NHTSA ODI #10099357
32,455 miles · Feb 28, 2004
Structure
TAILGATE CABLE BREAK WITH NO LOAD JUST LETTING IT DOWN EASY.SEVERAL PEOPLE HAVING THIS PROBLEM.*AK
NHTSA ODI #10060000
18,500 miles · Feb 25, 2004
Structure
THE TAILGATE TO MY 2001 CHEVY SILVERADO FELL OFF WHILE DRIVING @ APPROX 50 MPH VEHICLE BEHIND ME WENT OFF ROAD TO AVOID POSSIBLE COLLISION DURING SUMMER 2003, I WAS TOLD I DIDN'T CLOSE IT RIGHT. YESTERDAY 2/24/03 NOTICED ON LINE THE U FOLKS WERE INVESTIGATING SUCH INCIDENTS. *AK
NHTSA ODI #10058984
Mileage unknown · Feb 10, 2004
Structure
TAILGATE SUPPORT CABLES BOTH BROKE WHEN WIFE DROPPED TAILGATE.*AK
NHTSA ODI #10056894
Mileage unknown · Jan 10, 2003
Structure
CABLE THAT HOLDS TAILGATE FAILED AND THREW CONSUMER ON THE GROUND. OWNER'S MANUAL HAS NO WEIGHT REQUIREMENTS. DEALER NOTIFIED. PLEASE PROVIDE ADDITIONAL INFORMATION.*JB. *AK
NHTSA ODI #10002480
NHTSA investigations
2EA04011 · 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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