NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
468 reports80 miles · Jun 4, 2010
Electrical SystemExterior Lighting
WIRES THAT ARE IN THE STEERING COLUMN THAT HOOK UP TO THE MULTI-FUNCTION SWITCH BREAK DO TO USE OF THE TILT-STEERING. THEY CAN BREAK AND SHORT OUT CAUSING THE HEAD LIGHTS TO MALFUNCTION OR NOT WORK AT ALL. OR TURN OFF UNEXPECTEDLY LIKE IN MY CASE. I WAS DRIVING IN THE MOUNTAINS ONE NIGHT AROUND 10.00 PM AND ALL OF A SUDDEN MY LI…
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WIRES THAT ARE IN THE STEERING COLUMN THAT HOOK UP TO THE MULTI-FUNCTION SWITCH BREAK DO TO USE OF THE TILT-STEERING. THEY CAN BREAK AND SHORT OUT CAUSING THE HEAD LIGHTS TO MALFUNCTION OR NOT WORK AT ALL. OR TURN OFF UNEXPECTEDLY LIKE IN MY CASE. I WAS DRIVING IN THE MOUNTAINS ONE NIGHT AROUND 10.00 PM AND ALL OF A SUDDEN MY LIGHTS QUIT WORKING. *TR
NHTSA ODI #10334605
57,154 miles · Jun 1, 2010
Service Brakes, Hydraulic
BRAKE LINE RUPTURED. *TR
NHTSA ODI #10334104
Mileage unknown · May 20, 2010
Service Brakes, Hydraulic
TL* THE CONTACT OWNS A 2001 CHEVROLET SILVERADO 1500. THE CONTACT WAS EXPERIENCING BRAKE FAILURES AND THE VEHICLE WAS REPAIRED UNDER NHTSA RECALL CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK) WHERE THE DEALER CLEANED THE LEFT BRAKE SENSOR. THE FAILURE RECURRED AND THE VEHICLE WAS TAKEN BACK TO THE DEALER. TH…
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TL* THE CONTACT OWNS A 2001 CHEVROLET SILVERADO 1500. THE CONTACT WAS EXPERIENCING BRAKE FAILURES AND THE VEHICLE WAS REPAIRED UNDER NHTSA RECALL CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK) WHERE THE DEALER CLEANED THE LEFT BRAKE SENSOR. THE FAILURE RECURRED AND THE VEHICLE WAS TAKEN BACK TO THE DEALER. THE DEALER REPLACED THE RIGHT AND LEFT BRAKE SENSORS UNDER THE CONTACTS FACTORY WARRANTY. THE CONTACT BELIEVED THE RECALL REPAIR SHOULD HAVE CALLED FOR THE SENSORS TO BE REPLACED AND NOT CLEANED. THE FAILURE MILEAGE WAS NOT AVAILABLE AND THE CURRENT MILEAGE WAS 37,402.
NHTSA ODI #10331450
86,435 miles · May 13, 2010
Service Brakes, Hydraulic
SILVERADO BRAKING IS SOFT AND SOMETIMES APPEARS TO BE ENGAGE WITH FRONT END TRANSFER, THAT WHAT IT SOUNDS LIKE, IT COULD BE FAULTY SENSOR THAT ACTIVATES THE ABS SYSTEM. NOT SURE... *TR
NHTSA ODI #10330242
115,464 miles · May 5, 2010
Service Brakes, Hydraulic
SUDDEN LOSS OF BRAKES ON 2001 CHEVY SILVERADO 1500. ALL BRAKE LINES WERE BADLY RUSTED, FLUID WAS LEAKING FROM A GROUP OF LINES TO THE HCU. REMOVED ALL RUSTED BRAKE LINES AND BRAKE COMPONENTS. REPLACED 5 BRAKE LINES, CALIPER, BRAKE HOSE, & FLUID. COST = $ 1369.21. *TR
NHTSA ODI #10329062
70,000 miles · May 1, 2010
Fuel System, Gasoline
THE FUEL GAUGE JUMPS FROM FULL TO EMPTY IT SETS OFF THE WARNING LIGHTS. *TR
NHTSA ODI #10328328
94,000 miles · Apr 13, 2010
Service Brakes, Hydraulic
ABS FAILURE. I TURNED IN MY 01 1500 SILVERADO (94K MILES)BACK IN 07 FOR THE INITIAL BRAKE RECALL. THE DEALERSHIP CLEANED THE SENSOR AND I HAVEN'T HAD A PROBLEM TILL MARCH 2010. THE ABS IS NONE STOP NOW,IT WAS NOT A GRADUAL GROWING PROBLEM MY BRAKES JUST STOPPED WORKING. IF IM GOING ABOUT 10-20MPH AND DO NOT SLAM ON THE BRAKE…
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ABS FAILURE. I TURNED IN MY 01 1500 SILVERADO (94K MILES)BACK IN 07 FOR THE INITIAL BRAKE RECALL. THE DEALERSHIP CLEANED THE SENSOR AND I HAVEN'T HAD A PROBLEM TILL MARCH 2010. THE ABS IS NONE STOP NOW,IT WAS NOT A GRADUAL GROWING PROBLEM MY BRAKES JUST STOPPED WORKING. IF IM GOING ABOUT 10-20MPH AND DO NOT SLAM ON THE BRAKES THE ABS SETS OFF AND THE TRUCK JUST SLIDES TILL I PUMP THE BRAKES AND GET VEHICLE TO STOP. I HAVE USED A FEW CANS OF BRAKE CLEANER ON THE FRONT BRAKES AND IT SEEMS TO WORK FOR A WEEK OR TWO BUT THERE NEEDS TO BE A PERMANENT SOLUTION. *TR
NHTSA ODI #10325565
172,400 miles · Apr 12, 2010
Service Brakes, Hydraulic
BRAKE LINES FAILED ON MY 2001 CHEVY SILVERADO. MY SON WAS DRIVING, BUT WAS ABLE TO STOP OK WITH THE BRAKE PEDAL TO THE FLOOR. I HAD TO HAVE ALL THE BRAKE LINES REPLACED AS THEY WERE RUSTED TOO BADLY TO REPAIR. THIS COST ME A LOT OF MONEY AND THANKFULLY NO ONE WAS INJURED. *TR
NHTSA ODI #10325011
92,806 miles · Apr 10, 2010
Service Brakes, Hydraulic
AT THE END OF SEPTEMBER 2008 I LOST THE USE OF MY BRAKES ON MY 2001 CHEVROLET SILVERADO. FORTUNATELY IT HAPPENED IN MY DRIVEWAY. I NOTICED A PUDDLE OF FLUID ON THE DRIVEWAY UNDER THE DRIVER SIDE DOOR, UPON INSPECTION THE BRAKE LINE WAS ALL RUSTED AND FULL OF HOLES. I HAD TO HAVE THE TRUCK TOWED AND THE BRAKE LINES REPLACED TO TH…
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AT THE END OF SEPTEMBER 2008 I LOST THE USE OF MY BRAKES ON MY 2001 CHEVROLET SILVERADO. FORTUNATELY IT HAPPENED IN MY DRIVEWAY. I NOTICED A PUDDLE OF FLUID ON THE DRIVEWAY UNDER THE DRIVER SIDE DOOR, UPON INSPECTION THE BRAKE LINE WAS ALL RUSTED AND FULL OF HOLES. I HAD TO HAVE THE TRUCK TOWED AND THE BRAKE LINES REPLACED TO THE TUNE OF $600.21 ON OCTOBER 1. I SAW IN TODAY'S NEWSPAPER AN INVESTIGATION WAS BEING CONDUCTED INTO THIS PROBLEM. YOU CAN ADD ME TO THIS LIST. *TR
NHTSA ODI #10324844
195,000 miles · Apr 10, 2010
Service Brakes, Hydraulic
I HAVE A 2001 CHEVROLET SILVERADO PICKUP WITH ANTILOCK BRAKING SYSTEM. THE ABS COMPUTER MODULE HAS FAILED TWICE SINCE I HAVE HAD IT. YOU CAN TELL IT IS NOT WORKING WHEN THE SYSTEM CONTINUALLY PUMPS THE BRAKES EVEN WHEN THE ENGINE IS TURNED OFF. THE MODULE COSTS $800-$1000 AND I CANNOT AFFORD TO REPLACE IT AGAIN. I CALLED C…
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I HAVE A 2001 CHEVROLET SILVERADO PICKUP WITH ANTILOCK BRAKING SYSTEM. THE ABS COMPUTER MODULE HAS FAILED TWICE SINCE I HAVE HAD IT. YOU CAN TELL IT IS NOT WORKING WHEN THE SYSTEM CONTINUALLY PUMPS THE BRAKES EVEN WHEN THE ENGINE IS TURNED OFF. THE MODULE COSTS $800-$1000 AND I CANNOT AFFORD TO REPLACE IT AGAIN. I CALLED CHEVROLET TO REPORT THE PROBLEM AND TOOK IT UP THEIR CHAIN OF COMPLAINTS AS FAR AS I COULD GET ANYONE TO LISTEN TO ME. THE BEST THEY WOULD OFFER AS A RESOLUTION WAS A COUPON FOR $500 OFF A NEW PICKUP TRUCK. I PULLED THE MODULE TO STOP THE CONTINUOUS PUMPING. AND MY DASHBOARD BRAKE WARNING LIGHT AND THE ABS WARNING LIGHTS STAY ON CONTINUALLY. MY BRAKES STILL FUNCTION, BUT THE ABS SAFETY SYSTEM DOES NOT AID THEM. I REPORTED THIS PROBLEM TO NTSB THE FIRST TIME THE MODULE FAILED AND GOT NO REPLY AND THIS IS THE SECOND MODULE TO FAIL ON THIS TRUCK. MY MECHANIC SAY HE DOES NOT UNDERSTAND WHY THERE HAS NOT BEEN A RECALL BECAUSE HE HAS SEEN THIS MANY TIMES ON 2001 SILVERADO. IT IS A SAFETY CONCERN BECAUSE ABS WON'T FUNCTION WITHOUT THE MODULE WORKING PROPERLY. *TR
NHTSA ODI #10324822
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.
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