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2000 GMC Sierra 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2000 GMC Sierra 1500 do not stand out strongly from the model-year median of 181.

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When problems were reported

Mileage at the reported incident

152 reports with mileage · 29 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, Hydraulic. Review the 78 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports0 fire reports3 injury reports

Service Brakes, Hydraulic complaints

78 reports
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59,910 miles · Oct 20, 2005
Service Brakes, Hydraulic

1-I NOTICED BRAKE FAILURE AT SLOW STOPPING SPEEDS AND THE ABS WARNING LIGHT STAYED ON. 2- THIS CAUSED A FEW CLOSE CALLS AS FAR AS ALMOST HITTING STRUCTURES OR VEHICLES DIRECTLY IN FRONT OF ME. 3-TOOK TO THE DEALER AND WAS TOLD IT WAS THE WHEEL SPEED SENSOR LOCATED IN THE WHEEL HUB AND REPLACED AT A COST OF $500.00 PLUS . ALSO …

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1-I NOTICED BRAKE FAILURE AT SLOW STOPPING SPEEDS AND THE ABS WARNING LIGHT STAYED ON. 2- THIS CAUSED A FEW CLOSE CALLS AS FAR AS ALMOST HITTING STRUCTURES OR VEHICLES DIRECTLY IN FRONT OF ME. 3-TOOK TO THE DEALER AND WAS TOLD IT WAS THE WHEEL SPEED SENSOR LOCATED IN THE WHEEL HUB AND REPLACED AT A COST OF $500.00 PLUS . ALSO FOUND OUT THAT THIS IS A RECALL FOR EAST COAST ONLY RECALL # NHTSA ID # 05V379000. BECAUSE THIS IS A DEFECTIVE PART ON EAST COAST I FEEL IT SHOULD APPLY TO MY VEHICLE AS WELL EVEN THOUGH I'M ON THE WEST COAST. *NM

NHTSA ODI #10140360

34,000 miles · Aug 23, 2005
Service Brakes, Hydraulic

DT: THE CONSUMER STATED THAT THE ABS SYSTEM ACTIVATED WHEN THE SPEED WAS AT 10 MPH ON HIS 2000 GMC PICKUP TRUCK. THE FRONT WHEEL SENSOR WAS REPLACED ON THE FRONT END. THE DEALER SAID THAT THE ABS WAS INOPERATIVE AND WERE NOT WORKING CORRECTLY. THE TRUCK WAS OUT OF WARRANTY AND THE OWNER HAD TO PAY FOR THE REPAIR WORK. THIS HAP…

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DT: THE CONSUMER STATED THAT THE ABS SYSTEM ACTIVATED WHEN THE SPEED WAS AT 10 MPH ON HIS 2000 GMC PICKUP TRUCK. THE FRONT WHEEL SENSOR WAS REPLACED ON THE FRONT END. THE DEALER SAID THAT THE ABS WAS INOPERATIVE AND WERE NOT WORKING CORRECTLY. THE TRUCK WAS OUT OF WARRANTY AND THE OWNER HAD TO PAY FOR THE REPAIR WORK. THIS HAPPENED IN 2004. THE OWNER DID NOT CONTACT THE MANUFACTURER AT THE TIME OF PROBLEM. THE CONSUMER HAS NOT HAD ANY PROBLEMS WITH THE TRUCK SINCE THEN. *JB *SC

NHTSA ODI #10129948

12,431 miles · Aug 5, 2005
Service Brakes, Hydraulic

DT: CONTACT STATES: WHEN HE HAS A LOAD ON THIS TRUCK THE BRAKES FEEL LIKE THEY ARE FAILING. WHEN HE APPLIES THE BRAKES, THEY GO TO THE FLOOR. DEALER REPLACED THE MASTER CYLINDER, BUT IT DIDN'T FIX THE PROBLEM. SOMETIMES WHEN SITTING STILL AND JUST IDLING CALLER CAN PRESS ON THE BRAKES AND THEY WILL GO TO THE FLOOR. GENERAL…

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DT: CONTACT STATES: WHEN HE HAS A LOAD ON THIS TRUCK THE BRAKES FEEL LIKE THEY ARE FAILING. WHEN HE APPLIES THE BRAKES, THEY GO TO THE FLOOR. DEALER REPLACED THE MASTER CYLINDER, BUT IT DIDN'T FIX THE PROBLEM. SOMETIMES WHEN SITTING STILL AND JUST IDLING CALLER CAN PRESS ON THE BRAKES AND THEY WILL GO TO THE FLOOR. GENERAL MOTORS SAYS THIS IS A NORMAL OCCURRENCE.*AK *JB

NHTSA ODI #10126087

93,700 miles · Jul 25, 2005
Service Brakes, Hydraulic

2000 GMC PICKUP BRAKE LINE ON THE DRIVER'S SIDE REAR WHEEL BROKE.*MR THIS RESULTED IN TOTAL LOSS OF BRAKES IN ABOUT 3 MILES. A RECALL WAS PERFORMED ON ON THE BRAKES PRIOR TO THIS INCIDENT. THE LINE SHOWED SIGN OF WEAR FROM RUBBING ON OTHER BRAKE LINES . A YEAR LATER THE LINE BROKE AGAIN IN THE SAME LOCATION. IT TOO HAD SHOW…

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2000 GMC PICKUP BRAKE LINE ON THE DRIVER'S SIDE REAR WHEEL BROKE.*MR THIS RESULTED IN TOTAL LOSS OF BRAKES IN ABOUT 3 MILES. A RECALL WAS PERFORMED ON ON THE BRAKES PRIOR TO THIS INCIDENT. THE LINE SHOWED SIGN OF WEAR FROM RUBBING ON OTHER BRAKE LINES . A YEAR LATER THE LINE BROKE AGAIN IN THE SAME LOCATION. IT TOO HAD SHOWED SIGNS OF WEAR. *NM

NHTSA ODI #10131315

93,000 miles · Jul 22, 2005
Service Brakes, Hydraulic

DT: THE BRAKE LINE ON THE REAR WHEEL ON THE DRIVER'S SIDE BROKE THREE TIMES. ON THE JUNE 17, 2005 IT BROKE AGAIN AT THE SAME LOCATION . IT WAS BREAKING IN THE FLARE INSIDE THE FITTING. WHEN THE CONSUMER APPLIED THE BRAKES IT SPRAYED BRAKE FLUID ALL OVER THE PLACE. *AK *JB

NHTSA ODI #10126656

50,374 miles · Apr 17, 2004
Service Brakes, Hydraulic

RUSTING OF REAR BRAKE ROTORS CAUSING PREMATURE WEAR AND REPLACEMENT OF BRAKES AND ROTORS. THE DEALER AND GM REPLACED THE ROTORS UNDER WARRANTY WHILE IT COST ME $269 TO HAVE THE BRAKES REPLACED. MY CONCERN QUALITY OF METAL ON ROTORS NOT CONDUSIVE WITH NORMAL EVERY DAY USE. ARE THEIR SPECIFICATION TO THICKNESS AND QUALITY OF M…

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RUSTING OF REAR BRAKE ROTORS CAUSING PREMATURE WEAR AND REPLACEMENT OF BRAKES AND ROTORS. THE DEALER AND GM REPLACED THE ROTORS UNDER WARRANTY WHILE IT COST ME $269 TO HAVE THE BRAKES REPLACED. MY CONCERN QUALITY OF METAL ON ROTORS NOT CONDUSIVE WITH NORMAL EVERY DAY USE. ARE THEIR SPECIFICATION TO THICKNESS AND QUALITY OF METAL FOR ALL MANUFACTURES? LIFE EXPECTANCY?*AK

NHTSA ODI #10066356

Mileage unknown · Aug 14, 2002
Service Brakes, Hydraulic

WHEN HITTING A BUMP IN ROAD WILL LOSE BRAKE CONTROL, AND IT WILL BE HARD TO STOP. DEALER NOTIFIED.*AK

NHTSA ODI #8016306

Mileage unknown · Mar 16, 2000
Service Brakes, Hydraulic

BRAKE PEDAL FELL OFF VEHICLE WHEN CONSUMER TRIED TO STEP ON IT. VEHICLE COULD NOT BE DRIVEN OR TOWED. *AK

NHTSA ODI #858698

Official recalls

1

00V222000 · Service Brakes, Hydraulic:power Assist:vacuum

Aug 8, 2000

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH VACUUM POWER, 4-WHEEL DISC BRAKES. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 105, "HYDRAULIC BRAKE SYSTEMS." THESE VEHICLES WERE BUILT WITH A KINKED BRAKE BOOSTER VACUUM SUPPLY HOSE.

Consequence & remedy

Consequence: THESE VEHICLES DO NOT COMPLY WITH REQUIREMENTS OF FMVSS NO. 105.

Remedy: DEALERS WILL RE-ROUTE THE BRAKE BOOSTER VACUUM SUPPLY HOSE.

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.