TL*THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE DRIVING 30-35 MPH, THE DRIVER'S SEAT FAILED. THE CONTACT CONTINUED DRIVING THE VEHICLE. HE STATED THAT THE SEAT WAS INTACT, BUT VERY UNSTABLE. THE DEALER STATED THAT HE WOULD BE RESPONSIBLE FOR REPAIRING THE VEHICLE AT THE COST OF $600. THE VEHICLE HAS NOT BEEN REPA…
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TL*THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE DRIVING 30-35 MPH, THE DRIVER'S SEAT FAILED. THE CONTACT CONTINUED DRIVING THE VEHICLE. HE STATED THAT THE SEAT WAS INTACT, BUT VERY UNSTABLE. THE DEALER STATED THAT HE WOULD BE RESPONSIBLE FOR REPAIRING THE VEHICLE AT THE COST OF $600. THE VEHICLE HAS NOT BEEN REPAIRED. THE VIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 125,000.
NHTSA ODI #10204776
53,000 miles · Jul 19, 2007
Seats
TL*THE CONTACT OWNS A 1999 CHEVROLET C1500. THE CONTACT STATED THAT THE FRONT DRIVER SIDE LOCKING MECHANISM FAILED. THE SEAT MOVED FORWARD WHEN HE STOPPED AND BACKWARDS WHEN HE ACCELERATED. THE DEALER STATED THAT THE ADJUSTER ASSEMBLY FAILED. THE PART HAS BEEN REPLACED TWICE, BUT THE FAILURE PERSISTS. THE CURRENT MILEAGE IS…
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TL*THE CONTACT OWNS A 1999 CHEVROLET C1500. THE CONTACT STATED THAT THE FRONT DRIVER SIDE LOCKING MECHANISM FAILED. THE SEAT MOVED FORWARD WHEN HE STOPPED AND BACKWARDS WHEN HE ACCELERATED. THE DEALER STATED THAT THE ADJUSTER ASSEMBLY FAILED. THE PART HAS BEEN REPLACED TWICE, BUT THE FAILURE PERSISTS. THE CURRENT MILEAGE IS 119,000 AND FAILURE MILEAGE WAS 53,000.
NHTSA ODI #10196854
Mileage unknown · Dec 11, 2006
Seats
FRONT PASSENGER SEAT SLIDES BACK AND FORTH ON THE TRACK WHEN VEHICLE STOPS AND GOES. PLAY HAS INCREASED OVER TIME TO AT LEAST 1 INCH. CONCERNED THAT IN AN IMMERGENCY STOP AND SEAT COULD DETACH. *NM
NHTSA ODI #10175812
140,000 miles · Nov 29, 2006
Seats
DT*: THE CONTACT STATED WHILE DRIVING 40 MPH, A SNAPPING NOISE WAS HEARD AND THE DRIVER SEAT FELL HARD TO THE RIGHT. THE VEHICLE WAS DRIVEN TO THE DEALER, WHO DETERMINED THE BRACKET USED TO SECURE THE SEAT TO THE VEHICLE NEEDED TO BE REPLACED. UPDATED 12/18/06. *JB
NHTSA ODI #10174690
108,800 miles · Aug 29, 2006
Engine And Engine CoolingExterior LightingPower TrainInjury
DT*: THE CONTACT STATED WHILE STOPPED AT AN INTERSECTION, THE STEERING LOCKED UP, AND THE STEERING WHEEL COULD NOT BE TURNED TO THE LEFT. THIS WAS ACCOMPANIED BY THE THE SOUND OF HYDRAULIC RESISTANCE. THE VEHICLE WAS NOT TAKEN IN FOR SERVICE. SECOND, A PIECE OF PLASTIC FELL OFF THE INTERIOR OF THE VEHICLE. CAUSING THE DRIVE…
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DT*: THE CONTACT STATED WHILE STOPPED AT AN INTERSECTION, THE STEERING LOCKED UP, AND THE STEERING WHEEL COULD NOT BE TURNED TO THE LEFT. THIS WAS ACCOMPANIED BY THE THE SOUND OF HYDRAULIC RESISTANCE. THE VEHICLE WAS NOT TAKEN IN FOR SERVICE. SECOND, A PIECE OF PLASTIC FELL OFF THE INTERIOR OF THE VEHICLE. CAUSING THE DRIVER SEAT TO SLIDE FREELY ON THE ADJUSTER TRACK WHEN THE CONTACT SAT IN THE SEAT. THE VEHICLE WAS TAKEN TO A SERVICE DEALER WHO WAS UNABLE TO DETERMINE THE PROBLEM. THIRD, THE CONTACT REPLACED THE DAYTIME RUNNING LIGHTS TWICE. THE LIGHTS ONLY WORKED FOR 3 TO 6 MONTHS AT A TIME BEFORE HAVING TO BE REPLACED. THE LIGHTS WERE NOT ADDRESSED BY A DEALER OR A PRIVATE REPAIR SHOP. FOURTH, THE HEADLAMP SWITCH CONSTANTLY BECAME EXCESSIVELY HOT DURING OPERATION OF THE HEADLAMPS. THE VEHICLE WAS NOT TAKEN IN FOR INSPECTION OF THE SWITCH. FIFTH, WHEN THE 4-WHEEL DRIVE MODE WAS ENGAGED, THE WHEELS DID NOT TURN INDEPENDENTLY, CAUSING INCREASED EFFORT IN TURNING THE VEHICLE. THIS PROBLEM WAS NOT INSPECTED. SIXTH, THE STARTER FAILED WHILE ATTEMPTING TO START THE VEHICLE. UPON INSPECTION OF THE STARTER, IT WAS NOTICED THAT THE HOUSING WAS CRACKED. A PRIVATE MECHANIC WAS CONSULTED, WHO NOTIFIED THE CONTACT THAT THIS WAS A COMMON PROBLEM. FINALLY, THE PASSENGER SEAT BELT DID NOT FEED ENOUGH TO ALLOW FOR PASSENGER COMFORT WHICH CAUSED THE PASSENGER TO BE ABRAISED BY THE BELT. THE INERTIAL CONTROL SEEMED TO BE INTERMITTENT. THE SEAT BELTS WERE NOT INSPECTED BY EITHER A PRIVATE REPAIR SHOP OR A SERVICE DEALER.
NHTSA ODI #10166856
69,500 miles · Jan 14, 2006
SeatsService Brakes, Hydraulic
ANTILOCK BRAKES WANTS TO ENGAGE AT LOW SPEEDS AND THE FRONT DRIVERS SEAT RELEASED WHEN STOPPING CAUSING THRUST FORWARD. *NM
NHTSA ODI #10147778
Mileage unknown · Oct 30, 2002
Seats
CONSUMER STATED HAD RECALL 96E010000 REMEDIED FOR VEHICLE IN 07/00. DEALER DID PERFORMED STATED CORRECTIVE ACTION, BUT ONLY INSTALLED TEMPORARY HOLDING BOLTS FOR SEAT FRAME. THESE BOLTS BROKE WHILE CONSUMER WAS DRIVING, CAUSING DRIVER'S SEAT TO RECLINE BACK W/O WARNING. MANFACTURER ADVISED CONSUMER WILL NOT PERFORM RECALL REM…
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CONSUMER STATED HAD RECALL 96E010000 REMEDIED FOR VEHICLE IN 07/00. DEALER DID PERFORMED STATED CORRECTIVE ACTION, BUT ONLY INSTALLED TEMPORARY HOLDING BOLTS FOR SEAT FRAME. THESE BOLTS BROKE WHILE CONSUMER WAS DRIVING, CAUSING DRIVER'S SEAT TO RECLINE BACK W/O WARNING. MANFACTURER ADVISED CONSUMER WILL NOT PERFORM RECALL REMEDY AGAIN. TS
NHTSA ODI #8021946
Mileage unknown · Jun 29, 2001
Seats
DRIVER'S SIDE SEAT ADJUSTING MECHANISM IS BROKEN, CAUSING SEAT TO REMAIN IN RECLINING POSITION. PLEASE PROVIDE ANY FURTHER DETAILS.
NHTSA ODI #891645
Mileage unknown · Jul 14, 2000
Electrical SystemSeats
DASHBOARD AREA NEAR THE LIGHT SWITCH WOULD GET HOT. DRIVER'S SEAT IS LOOSE. WOULD ROCK BACK AND FORTH WHEN BRAKING OR ACCELERATING. WOULD MAKE SCRAPPING NOISES WHEN THIS HAPPENS. HAVE BEEN TO DEALER. *AK *ML
NHTSA ODI #865443
Mileage unknown · Dec 13, 1998
SeatsSuspension
VEHICLE VIBRATES AT SPEEDS OF 60 TO 70. GENERAL MOTORS INDICATED THAT THIS WAS NORMAL FOR THIS VEHICLE. GM ALSO INDICATED IT WOULD BE 30 TO 60 DAYS BEFORE NEW SPRINGS AND SHOCKS COULD BE DESIGNED FOR THE FRONT AND REAR. VEHICLE VIBRATES AND IS HARD TO CONTROL ON UNEVEN SURFACES. ALSO, THE TRACK ON THE DRIVERS SEAT BROKE …
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VEHICLE VIBRATES AT SPEEDS OF 60 TO 70. GENERAL MOTORS INDICATED THAT THIS WAS NORMAL FOR THIS VEHICLE. GM ALSO INDICATED IT WOULD BE 30 TO 60 DAYS BEFORE NEW SPRINGS AND SHOCKS COULD BE DESIGNED FOR THE FRONT AND REAR. VEHICLE VIBRATES AND IS HARD TO CONTROL ON UNEVEN SURFACES. ALSO, THE TRACK ON THE DRIVERS SEAT BROKE AND THE DEALER INDICATED THAT THERE WERE NO PARTS AVAILABLE TO REPLACE SEAT TRACK AT THIS TIME. THE SEVICE MANAGER INDICATED THIS WAS A PROBLEM WHEN A NEW MODEL HITS THE MARKET. SEAT WAS REPAIRED BY PLACING A WOODEN BLOCK UNDER THE SEAT UNTIL PARTS ARE AVAILABLE.
NHTSA ODI #701311
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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