STEERING COLUMN RATTLING AND VIBRATING EXCESSIVELY ON MY 2002 CHEVROLET SILVERADO. WHILE VEHICLE WAS STILL UNDER WARRANTY, THE DEALER REPORTED THAT THE COLUMN JUST NEEDED TO BE GREASED. THREE DAYS LATER, THE NOISE WAS BACK. SAME THING WAS DONE WHEN THE TRUCK WAS TAKEN BACK TO THE DEALER. THIS APPEARS TO BE A COMMON PROBLEM W…
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STEERING COLUMN RATTLING AND VIBRATING EXCESSIVELY ON MY 2002 CHEVROLET SILVERADO. WHILE VEHICLE WAS STILL UNDER WARRANTY, THE DEALER REPORTED THAT THE COLUMN JUST NEEDED TO BE GREASED. THREE DAYS LATER, THE NOISE WAS BACK. SAME THING WAS DONE WHEN THE TRUCK WAS TAKEN BACK TO THE DEALER. THIS APPEARS TO BE A COMMON PROBLEM WITH THE PICK UP. THE VIBRATION FROM THE COLUMN IS ENOUGH TO PUT YOUR HANDS TO SLEEP AND THE NOISE IS EXTREMELY ANNOYING. *TR
NHTSA ODI #10274430
18,031 miles · May 8, 2009
Service Brakes, HydraulicSteeringVisibility
TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER (SERVICE BRAKES, HYDRAULIC:ANTILOCK). THE DEALER CLEANED THE SPEED SENSOR, BUT DID NOT REPLACE ANY PARTS. THE FAILURE HAS RECURRED AND THE BRAKES STICK WHEN ATTEMPTING TO STOP THE VEHICLE AT LOW SPEEDS. ON T…
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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER (SERVICE BRAKES, HYDRAULIC:ANTILOCK). THE DEALER CLEANED THE SPEED SENSOR, BUT DID NOT REPLACE ANY PARTS. THE FAILURE HAS RECURRED AND THE BRAKES STICK WHEN ATTEMPTING TO STOP THE VEHICLE AT LOW SPEEDS. ON THE FOURTH TRIP TO THE DEALER, THE CONTACT WAS INFORMED THAT NO FAILURES COULD BE FOUND. SHE IS UNSURE IF THE DEALER WILL REPLACE OR CLEAN THE SENSOR, BUT SHE REQUESTED THAT IT BE REPLACED. IN ADDITION, THE INTERMEDIATE STEERING SHAFT WAS REPLACED WITH A RE-MANUFACTURED PART IN JULY OF 2005 AT 18,031 MILES. IN NOVEMBER OF 2006, AT 29,650 MILES, THE STEERING SHAFT WAS LUBED. IN APRIL OF 2008, AT 43,194 MILES, THE STEERING SHAFT WAS REPLACED A SECOND TIME. CURRENTLY, AT 56,000 MILES, THE VEHICLE IS STILL EXPERIENCING ISSUES. THE DEALER MUST CHECK AND REPLACE THE SHAFT FAILURES EVERY 25,000 MILES. LASTLY, THE REAR BRAKE ROTORS WERE RESURFACED FOUR TIMES AND ALL OF THE WINDOW REGULATORS HAVE TO BE REPLACED. THE VEHICLE IS CURRENTLY AT THE DEALER TO HAVE ALL OF THE ISSUES REPAIRED. THE FAILURE MILEAGE WAS 18,031. UPDATED 07/02/09. *LJ
NHTSA ODI #10268182
96,000 miles · Apr 11, 2009
Steering
WHEN MAKING A TURN I HEAR A THUMPING NOISE IN THE STEERING COLUMN. *TR
NHTSA ODI #10265004
31,166 miles · Jan 20, 2009
Steering
I HAVE A 2002 CHEVY SILVERADO THE STEERING BOX WAS REPLACE AT 31,166 MILES AND AT 48,000 MILES ITS DOING THE SAME THING ALL OVER AGAIN YOU CAN NOT PARK THE TRUCK AND IF YOU ARE AT A STOP TRYING TO TURN THE WHEEL IS HARD AND A NOISE COMING FROM THE STEERING BOX THE FIRST TIME I HAD TO PAY 200.00 THIS TIME LOOKING TO IT I FEEL I S…
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I HAVE A 2002 CHEVY SILVERADO THE STEERING BOX WAS REPLACE AT 31,166 MILES AND AT 48,000 MILES ITS DOING THE SAME THING ALL OVER AGAIN YOU CAN NOT PARK THE TRUCK AND IF YOU ARE AT A STOP TRYING TO TURN THE WHEEL IS HARD AND A NOISE COMING FROM THE STEERING BOX THE FIRST TIME I HAD TO PAY 200.00 THIS TIME LOOKING TO IT I FEEL I SHOULD TO PAY NOTHING AT ALL AND THOUSANDS PEOPLE ARE HAVING THIS SAME PROBLEM I READ THIS ON A WEB SITE AND THIS IS A STEERING PROBLEM THAT COULD FAIL AND PEOPLE COULD GET KILLED OR KILL SOMEBODY WOULD YOU PLEASE LOOK IN TO THIS PROBLEM BEFORE IT IS TO LATE AND MAKE GM RECALL THE STEERING GEAR BOX THANK YOU ROGER SANSON *TR
NHTSA ODI #10255627
71,000 miles · May 29, 2008
Steering
THE INTERMEDIATE STEERING SHAFT WENT BAD ON IT I HAD A MECHANIC LOOK OVER THE TRUCKS FRONT END THINKING THE BALL JOINTS WERE BAD. THAT WASN'T THE CASE HIS DAD HAS AN 04 SILVERADO THAT HAD THE SAME PROBLEM. I CALLED MY LOCAL CHEVROLET GARAGE IN INDIANA AND THEY ACTED LIKE THEY NEVER HEARD OF IT. SO I CALLED THE LOCAL GMC DEALERSH…
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THE INTERMEDIATE STEERING SHAFT WENT BAD ON IT I HAD A MECHANIC LOOK OVER THE TRUCKS FRONT END THINKING THE BALL JOINTS WERE BAD. THAT WASN'T THE CASE HIS DAD HAS AN 04 SILVERADO THAT HAD THE SAME PROBLEM. I CALLED MY LOCAL CHEVROLET GARAGE IN INDIANA AND THEY ACTED LIKE THEY NEVER HEARD OF IT. SO I CALLED THE LOCAL GMC DEALERSHIP AND ITS GETTING FIXED NEXT WEEK. SENSE ITS A 2002 THERE IS NO WARRANTY SO ITS GOING TO COST AROUND 200 DOLLARS. IT MAKES A CLUNKING NOISE IN THE FRONT END AND THE STEERING WHEEL FEELS LOOSE. IT ALSO MAKES A WEIRD GRINDING NOISE SO I HOPE THIS FIXES MY PROBLEM!!! *TR
NHTSA ODI #10229235
10,000 miles · Mar 25, 2008
Steering
STEERING COLUMN RATTLE. *TR
NHTSA ODI #10222322
35,000 miles · Dec 17, 2007
Steering
TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING BETWEEN 30-40 MPH, THERE WAS A CLUNKING NOISE COMING FROM THE STEERING WHEEL AND THE FRONT END OF THE VEHICLE BOUNCED. THE NOISE INTENSIFIED WHEN MAKING A TURN. THE DEALER GREASED THE INTERMEDIATE STEERING SHAFT. THE FAILURE CONTINUED AND THE INTERMEDIATE STE…
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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING BETWEEN 30-40 MPH, THERE WAS A CLUNKING NOISE COMING FROM THE STEERING WHEEL AND THE FRONT END OF THE VEHICLE BOUNCED. THE NOISE INTENSIFIED WHEN MAKING A TURN. THE DEALER GREASED THE INTERMEDIATE STEERING SHAFT. THE FAILURE CONTINUED AND THE INTERMEDIATE STEERING SHAFT WAS REPLACED. THE FAILURE STILL PERSISTS. THE FAILURE MILEAGE WAS 36,000 AND CURRENT MILEAGE WAS 112,000. UPDATED 03-05-08 *BF
NHTSA ODI #10212089
49,000 miles · Dec 4, 2007
Steering
TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT HEARD A CLUNKING AND GRINDING NOISE. THE FAILURE WAS NOTICED WHEN MAKING A RIGHT OR LEFT TURN AND APPEARED TO ORIGINATE FROM THE STEERING COLUMN. THE DEALER AND MANUFACTURER HAVE NOT BEEN NOTIFIED. THE FAILURE MILEAGE WAS 49,0…
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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT HEARD A CLUNKING AND GRINDING NOISE. THE FAILURE WAS NOTICED WHEN MAKING A RIGHT OR LEFT TURN AND APPEARED TO ORIGINATE FROM THE STEERING COLUMN. THE DEALER AND MANUFACTURER HAVE NOT BEEN NOTIFIED. THE FAILURE MILEAGE WAS 49,000 AND CURRENT MILEAGE WAS 50,000.
NHTSA ODI #10210834
75,000 miles · Nov 21, 2007
Steering
STEERING WHEEL KNOCKS, MAKES NOISE. *TR
NHTSA ODI #10209670
5,000 miles · Oct 17, 2007
Steering
INTERMEDIATE SHAFT IN 2002 CHEVROLET SILVERADO RATTLES SINCE NEW. TEMPORARY FIX HAS BEEN TO GREASE THE SHAFT EVERY FEW MONTHS. NOW GM SAYS DON'T GREASE THE SHAFT, REPLACE IT WITH NEW DESIGN, BUT OF COURSE, THERE ISN'T ANY WARRANTY NOW. *JB
NHTSA ODI #10206153
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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