IllustrationBRAKES FAILED WITH MY DAUGHTER DRIVING WENT ALL THE WAY TO THE FLOOR AND SHE REARENDED A VEHICLE, HER VEHICLE WAS TOWED AND THE FRONT BRAKES REPLACED, THEY HAD COMPLETELY FAILED. *TR
2000 Chevrolet Silverado 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2000 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.
About this comparison →How this year compares
Owner complaints by model year
Compare all Silverado 1500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
210–25K
3725–50K
8050–75K
10275–100K
152100–150K
97150K+
489 reports with mileage · 125 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 237 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 162 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
69 crash reports5 fire reports25 injury reports
What owners actually said
614 reportsBRAKE LINE FAILURE IDENTICAL TO A RECALL DESCRIPTION (00V345000). TOLD BY GM DID NOT APPLY TO MY VEHICLE. FAILURE OCCURRED IN DRIVEWAY. HAD IT OCCURRED ON THE ROAD INJURY OR DEATH COULD HAVE RESULTED. TAKING VEHICLE TO DEALER FOR REPAIR. *TR
I HAVE A 2000 CHEVROLET SILVERADO THAT THE SERVICE 4 WHEEL DRIVE LIGHT COMES ON QUITE FREQUENTLY WHEN I AM DRIVING . I HAVE HAD IT LOOKED AT BY THE DEALERSHIP I PURCHASED THE VEHICLE FROM AND OTHER AUTO SERVICE CENTERS . THEY TELL ME THEY CAN NOT FIND A PROBLEM . I HAVE LEARNED FROM OTHER TRUCK OWNERS THAT THEY HAVE THE SAME PRO…
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I HAVE A 2000 CHEVROLET SILVERADO THAT THE SERVICE 4 WHEEL DRIVE LIGHT COMES ON QUITE FREQUENTLY WHEN I AM DRIVING . I HAVE HAD IT LOOKED AT BY THE DEALERSHIP I PURCHASED THE VEHICLE FROM AND OTHER AUTO SERVICE CENTERS . THEY TELL ME THEY CAN NOT FIND A PROBLEM . I HAVE LEARNED FROM OTHER TRUCK OWNERS THAT THEY HAVE THE SAME PROBLEM . I CONTACTED CHEVROLET AND THEY SAY THEIR IS NO RECALL . I FEEL WITH THE NUMBER OF PEOPLE I HAVE TALKED TO THAT THEIR IS A PROBLEM WITH THE PUSH BUTTON ELECTRONIC 4 WHEEL DRIVE SYSTEM . MY FRIEND RECENTLY PURCHASED A 1999 AND HIS IS DOING IT TO . ARE YOU AWARE OF A RECALL OR PROBLEM WITH THE SYSTEM . AT TIMES MY TRUCK WILL NOT SHIFT INTO 4 WHEEL DIVE. PLEASE CONTRACT ME . THANK YOU *TR
2000 SILVERADO 4 WHEEL DRIVE TRUCK WITHOUT ANY WARNING HAD NO BRAKES.. WAS TOWED TO DEALERSHIP (GM) AND TOLD THAT ALL 4 BRAKE LINES WERE RUSTED..THEREFORE ALL LINES HAD TO BE REPLACED AS WELL AS ROTORS AND BRAKE PADS...GM WOULD NOT ASSIST IN ANY OF THE 1600 DOLLAR PLUS REPAIR BILL...... *TR
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING BETWEEN 1-5 MPH, THE VEHICLE FAILS TO STOP IMMEDIATELY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE APPEARS TO HAVE LOST TOTAL BRAKE POWER WHILE DRIVING AT LOW SPEEDS. THE FAILURE HAS OCCURRED TWICE WITHIN THE LAST COUPLE OF DAYS. THE DEALER STATED THAT TH…
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TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING BETWEEN 1-5 MPH, THE VEHICLE FAILS TO STOP IMMEDIATELY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE APPEARS TO HAVE LOST TOTAL BRAKE POWER WHILE DRIVING AT LOW SPEEDS. THE FAILURE HAS OCCURRED TWICE WITHIN THE LAST COUPLE OF DAYS. THE DEALER STATED THAT THE RECALL REPAIR FOR NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTI-LOCK) HAD PREVIOUSLY BEEN PERFORMED. THE CONTACT STATED THAT THE SAFETY RECALL REPAIR WAS BASICALLY A CLEANING. THE FAILURE WAS NOT ACTUALLY REPAIRED AND THE FAILURE STILL PERSISTS. THE CURRENT AND FAILURE MILEAGES WERE 160,000. UPDATED 07/09/08 *BF THE CONSUMER STATED THE PROBLEM WAS THE WHEEL SPEED SENSOR. UPDATED
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. THE CONTACT INSPECTED THE BRAKE SYSTEM AND NOTICED THAT THE BRAKE PIPES HAD ABNORMAL CORROSION, AND NEEDED TO BE REPLACED. HE HAD THE BRAKE PIPES REPLACED AND STILL HAS POSSESSION OF THE FAILED COMPONENT. THE VIN WAS UNKNOWN. THE FAILURE AND CURRENT MILEAGES WERE 65,000.
WHEN BRAKES ARE APPLIED AND REAR WHEELS LOSE TRACTION BRAKE PEDAL GOES LOWER THAN NORMAL WITH LONGER STOPPING DISTANCE,WITH A NOISE WITH THE BRAKE IS DEPRESSED. OCCURS EVERY TIME. HAS NOT BEEN CHECKOUT YET. RECALL CAMPAIGNS #'S 00093,05068 WERE DONE. *TR
AFTER THE TRUCK WAS TURNED OFF AND IN PARK OUR SON (WHO IS UNDER TWO) WAS ABLE TO SHIFT INTO NEUTRAL AND OTHER GEARS. THE TRUCK ROLLED IN THE GARAGE. THIS OCCURRED WHEN THE KEY IS BETWEEN THE OFF POSITION AND ACCESSORY POSITION. *TR
I RECEIVED A RECALL NOTICE IN 2006 FOR THE SPEED SENSORS ON MY 2000 SILVERADO. THE DEALER LUBRICATED THE SPEED SENSOR. IN NOVEMBER 2007 THE ABS BRAKE ACTIVATION STARTED AGAIN. I TOOK IT TO THE DEALER AND THE DAY CHEVROLET SERVICE DEPARTMENT SAID THEY COULDN'T GET IT TO OCCUR. IT CONTINUED TO GET WORSE AND BEGAN TO OCCUR FREQ…
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I RECEIVED A RECALL NOTICE IN 2006 FOR THE SPEED SENSORS ON MY 2000 SILVERADO. THE DEALER LUBRICATED THE SPEED SENSOR. IN NOVEMBER 2007 THE ABS BRAKE ACTIVATION STARTED AGAIN. I TOOK IT TO THE DEALER AND THE DAY CHEVROLET SERVICE DEPARTMENT SAID THEY COULDN'T GET IT TO OCCUR. IT CONTINUED TO GET WORSE AND BEGAN TO OCCUR FREQUENTLY WHEN STOPPING AT A RED LIGHT OR PARKING. IN APRIL 2008 I ALMOST WRECKED INTO THE CAR IN FRONT OF ME WHEN PARKING. I TOOK IT IN AND THEY REPLACED THE SPEED SENSOR. THEY SAID THIS WAS NOT COVERED UNDER THE RECALL. THE BILL WAS $442.23. I COULD NOT HAVE MY TRUCK UNLESS I PAID FOR IT. I ESCALATED IT IN GM AND GOT A CALL THIS MORNING THAT SAID THE FINAL RULING FROM GM IS THAT THEY WILL NOT PAY FOR THE SPEED SENSOR REPLACEMENT. THEY SAID THEY ALREADY SATISFIED THE RECALL IN APRIL 2006 WHEN THEY LUBRICATED THE SENSOR. THERE IS NO FURTHER ESCALATION AVAILABLE. *TR
FUEL GAUGE WORK WHEN IT WANTS TOO ENGINE IS A 5.3 THEIR ARE TOO MANY PEOPLE HAVING THE SAME THING HAPPENING TO THEM. THIS IS A SAFETY IT SHOULD BE RECALLED. *TR
Official recalls
0No 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
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.