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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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164,392 miles · Apr 14, 2010
Parking BrakeService Brakes, Hydraulic

BRAKE FAILURE DUE TO BRAKE FLUID LEAKING FROM RUSTED OUT BRAKE LINES. *TR

NHTSA ODI #10325676

64,100 miles · Apr 13, 2010
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 GMC K15. WHILE DRIVING AT APPROXIMATELY 5 MPH, THE CONTACT NOTICED THAT IT TOOK EXTRA TIME FOR THE BRAKES TO ENGAGE WHEN HE DEPRESSED THE BRAKE PEDAL; HE HAD TO CONTINUE TO APPLY PRESSURE SO THE VEHICLE WOULD SLOW DOWN. HE NOTICED THE PROBLEM ONLY AT LOW SPEEDS. THE VEHICLE HAD NOT BEEN REPAIRED AT TH…

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TL*THE CONTACT OWNS A 2000 GMC K15. WHILE DRIVING AT APPROXIMATELY 5 MPH, THE CONTACT NOTICED THAT IT TOOK EXTRA TIME FOR THE BRAKES TO ENGAGE WHEN HE DEPRESSED THE BRAKE PEDAL; HE HAD TO CONTINUE TO APPLY PRESSURE SO THE VEHICLE WOULD SLOW DOWN. HE NOTICED THE PROBLEM ONLY AT LOW SPEEDS. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS 65,508. THE FAILURE MILEAGE WAS APPROXIMATELY 64,100.

NHTSA ODI #10325361

75,000 miles · Apr 12, 2010
Service Brakes, Hydraulic

REAR BRAKE LINE FAILURE CAUSED BY SALT. *TR

NHTSA ODI #10325107

63,000 miles · Apr 12, 2010
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH WHEN THE BRAKE PEDAL TRAVELED TO THE FLOOR WITH PRESSURE APPLIED TO IT. THE VEHICLE WAS DRIVEN INTO A PARKING SPACE TO AVOID CRASHING INTO THE PROCEEDING VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE F…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH WHEN THE BRAKE PEDAL TRAVELED TO THE FLOOR WITH PRESSURE APPLIED TO IT. THE VEHICLE WAS DRIVEN INTO A PARKING SPACE TO AVOID CRASHING INTO THE PROCEEDING VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE FAILURE WAS RELATED TO CORROSION IN THE FRONT BRAKE LINE WHICH RESULTED IN A BRAKE FLUID LEAK. ADDITIONALLY, THERE WAS CORROSION WITHIN THE ANTILOCK BRAKE LINE SYSTEM, PARKING BRAKE CABLE, CALIPER, AND DISC WHICH WERE ALL REPLACED. THE REPAIR COST WAS $700.00. THE FAILURE MILEAGE WAS 63,000. THE CURRENT MILEAGE WAS 67,900.

NHTSA ODI #10325063

81,000 miles · Apr 9, 2010
Service Brakes, Hydraulic

2000 GMC SIERRA BRAKE LINE RUPTURED LAST YEAR WHILE DEPRESSING THE BRAKE HARD TO AVOID A COLLISION. *TR

NHTSA ODI #10324774

74,512 miles · Apr 9, 2010
Service Brakes, Hydraulic

GMC SIERRA - UNWANTED ANTILOCK BRAKE SYSTEM ACTIVATION. GMC RECALL #05068. *TR

NHTSA ODI #10324636

170,000 miles · Mar 14, 2010
Service Brakes, Hydraulic

I HAVE A 2000 GMC. AT LOW SPEEDS (UNDER 10K) THE VEHICLE WILL NOT STOP QUICKLY,IT TAKES 10 OR MORE FEET WITH THE BRAKE FADE. I TOOK THE ABS FUSE OUT AN IT STOPS ON A DIME.VERY DANGEROUS IN SHOPPING CENTRES THE FUSE IS IN. *TR

NHTSA ODI #10319558

127,118 miles · Mar 2, 2010
Service Brakes, Hydraulic

MY BRAKE LINES FAILED ON MY 2000 GMC FROM WEAR. *TR

NHTSA ODI #10315481

98,500 miles · Dec 14, 2009
Service Brakes, Hydraulic

ABS ACTIVATION AT SLOW SPEED, OFTEN WHEN TURNING. PAID FOR WHEEL SPEED SENSOR CLEANING AND REINSTALL 12/14/2004. RECALL FOR SAME PROBLEM PERFORMED 11/16/2005. SYMPTOMS HAVE RETURNED, DEALER WILL NOT PERFORM RECALL PROCEDURE A SECOND TIME AT NO COST. SLOW SPEED ABS ACTIVATION INCREASES STOPPING DISTANCE, AND CAN CAUSE A CRASH. *T…

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ABS ACTIVATION AT SLOW SPEED, OFTEN WHEN TURNING. PAID FOR WHEEL SPEED SENSOR CLEANING AND REINSTALL 12/14/2004. RECALL FOR SAME PROBLEM PERFORMED 11/16/2005. SYMPTOMS HAVE RETURNED, DEALER WILL NOT PERFORM RECALL PROCEDURE A SECOND TIME AT NO COST. SLOW SPEED ABS ACTIVATION INCREASES STOPPING DISTANCE, AND CAN CAUSE A CRASH. *TR

NHTSA ODI #10295601

99,000 miles · Nov 11, 2009
Service Brakes, Hydraulic

EXCESSIVE RUST FROM MIDDLE OF UNDER CARRIAGE ON BACK LEAD TO TWO PART FAILURES. REAR MAIN BRAKE LINE ON DRIVER SIDE OF VEHICLE BURST WHILE APPLYING BRAKES IN DRIVEWAY LEADING TO BRAKE FAILURE. I STOPPED TRUCK BY APPLYING EMERGENCY BRAKE AND SLAMMING TRANSMISSION INTO PARK--THANK GOD THIS HAPPENED IN MY DRIVEWAY AND NOT ON THE …

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EXCESSIVE RUST FROM MIDDLE OF UNDER CARRIAGE ON BACK LEAD TO TWO PART FAILURES. REAR MAIN BRAKE LINE ON DRIVER SIDE OF VEHICLE BURST WHILE APPLYING BRAKES IN DRIVEWAY LEADING TO BRAKE FAILURE. I STOPPED TRUCK BY APPLYING EMERGENCY BRAKE AND SLAMMING TRANSMISSION INTO PARK--THANK GOD THIS HAPPENED IN MY DRIVEWAY AND NOT ON THE ROAD-- RESEARCH ON INTERNET REVEALS EXCESSIVE RUST FOR THESE TRUCKS IS COMMON. AFTER HEARING ABOUT THE TOYOTA TUNDRAS DROPPING A SPARE TIRE DUE TO EXCESSIVE RUST, I FIGURE BRAKE FAILURE POSSIBLY LEADING TO TRAFFIC ACCIDENT QUALIFIES TOO. *TR

NHTSA ODI #10291817

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.