NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
614 reportsMileage unknown · Apr 6, 2006
Fuel System, Gasoline
I HAVE A 2000 CHEVROLET K1500 PICKUP WITH 43,000 MILES ON IT. THE THROTTLE HAS BEGAN TO OCCASIONALLY STICK, AND THE DEALER SAYS THAT IT IS NORMAL AND THE THROTTLE BODY HAS TO BE CLEANED AT A COST OF APPROXIMATELY $140. WHEN THE THROTTLE STICKS FROM A "STANDING START", THE VEHICLE LURCHES FORWARD (OR BACKWARD IF IN REVERSE). I HA…
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I HAVE A 2000 CHEVROLET K1500 PICKUP WITH 43,000 MILES ON IT. THE THROTTLE HAS BEGAN TO OCCASIONALLY STICK, AND THE DEALER SAYS THAT IT IS NORMAL AND THE THROTTLE BODY HAS TO BE CLEANED AT A COST OF APPROXIMATELY $140. WHEN THE THROTTLE STICKS FROM A "STANDING START", THE VEHICLE LURCHES FORWARD (OR BACKWARD IF IN REVERSE). I HAVE OWNED A DOZEN VEHICLES IN MY LIFE, AND NONE OF THEM HAVE EVER HAD THIS PROBLEM. YET, SERVICE ADVISORS AT WALSER CHEV SAY THIS IS A COMMON PROBLEM WITH MY TYPE PICKUP. I BELIEVE THIS IS A MANUFACTURING DEFECT, AND SHOULD BE RECALLED. *NM
NHTSA ODI #10154761
102,000 miles · Apr 5, 2006
Service Brakes, Hydraulic
DT*: THE CONTACT STATED WHILE DRIVING A BRAKE FAILURE OCCURRED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE ONLY THE RIGHT FRONT BRAKE HOSE WAS REPLACED DUE TO RUST CAUSING A LEAK WHICH RESULTED IN LOSS OF BRAKES. REPLACED BRAKE LINE TO RIGHT FRONT WHEEL TO ABS BOX. TOTAL CHARGE WAS $212.05. *AK
NHTSA ODI #10154593
Mileage unknown · Mar 20, 2006
Structure
I WOULD LIKE TO NOTIFY SOMEONE THAT THE RECALL THE CHEVROLET HAS OUT # 04007 MAY APPLY TO OTHER VIN NUMBERS. MY VEHICLE DID NOT FALL INTO THE VIN BREAK , HOWEVER, THE SAME DEFECT HAS OCCURRED. CORROSION UNDER THE JACKET AND THE CABLE BREAKS IN TWO PIECES. THE LAST EIGHT OF MY VIN Y1102238. *JB
NHTSA ODI #10153223
12,000 miles · Feb 13, 2006
Service Brakes, Hydraulic
ABS LIGHT STAYS ON ALL THE TIME WHEN DRIVING. *NM
NHTSA ODI #10150171
74,428 miles · Feb 12, 2006
Service Brakes, Hydraulic
BRAKES BEGAN TO PULSATE BETWEEN 3 MPH AND 5 MPH WHICH CAUSED THE VEHICLE NOT TO SLOW WHEN COMING TO A COMPLETE STOP; STOP LIGHTS, STOP SIGNS, ETC. FAILURE OF THE ABS CAUSED MYSELF TO ROLL THROUGH A STOP, INTO TRAFFIC, AND INTO THE DITCH. A TEST FOR LOW SPEED ANTI-LOCK OPERATION WAS DONE. RESULTS SHOWED PROBLEM TO BE FAULTY ABS…
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BRAKES BEGAN TO PULSATE BETWEEN 3 MPH AND 5 MPH WHICH CAUSED THE VEHICLE NOT TO SLOW WHEN COMING TO A COMPLETE STOP; STOP LIGHTS, STOP SIGNS, ETC. FAILURE OF THE ABS CAUSED MYSELF TO ROLL THROUGH A STOP, INTO TRAFFIC, AND INTO THE DITCH. A TEST FOR LOW SPEED ANTI-LOCK OPERATION WAS DONE. RESULTS SHOWED PROBLEM TO BE FAULTY ABS SYSTEM. ( NOTED TO BE MANUFACTURE DEFECT PER NEWSPAPER ARTICLE MILWAUKEE JOURNAL SENTINEL ). PROBLEM WAS CORRECTED BY REPLACING THE FRONT WHEEL HUB ASSEMBLIES. *JB
NHTSA ODI #10150062
Mileage unknown · Jan 7, 2006
Fuel System, OtherService Brakes, Hydraulic
2000 CHEVROLET SILVERADO 1500 PICKUP 12/30/05 I CALLED TO MAKE AN APPOINTMENT FOR THE ABS RECALL. 12/31 THE ABS LIGHT ON THE DASH CAME ON. THE DEALER COMPLETED THE RECALL WORK AND STATED THE ABS LIGHT WAS AN "ACTIVE FAILURE" CODE IN THE COMPUTER AND WAS NOT RELATED TO THE RECALL. REPAIR OF THIS FAULT WAS ESTIMATED $1,400-1900. …
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2000 CHEVROLET SILVERADO 1500 PICKUP 12/30/05 I CALLED TO MAKE AN APPOINTMENT FOR THE ABS RECALL. 12/31 THE ABS LIGHT ON THE DASH CAME ON. THE DEALER COMPLETED THE RECALL WORK AND STATED THE ABS LIGHT WAS AN "ACTIVE FAILURE" CODE IN THE COMPUTER AND WAS NOT RELATED TO THE RECALL. REPAIR OF THIS FAULT WAS ESTIMATED $1,400-1900. I HAVE ALSO PAID TO HAVE THE FUEL GAUGE FIXED. IT WENT FROM EMPTY TO FULL AT RANDOM AND HAS BEEN REPORTED AS A COMMON PROBLEM BUT HAS NOT BEEN RECALLED. *JB
NHTSA ODI #10147141
85,000 miles · Dec 8, 2005
Service Brakes, Hydraulic
FAILURE OF ANTI-LOCK BRAKE SYSTEM. DEFECTIVE MODULE KEPT FEEDING POWER TO THE MOTOR OF THE ABS AND THEN THE MOTOR FRIED. MY ABS LIGHT (YELLOW) CAME ON FOLLOWED BY THE BRAKE SERVICE LIGHT (RED). A DIAGNOSTIC SCAN REVEALED THE ABS MODULE AND MOTOR BOTH WERE DEFECTIVE. I HAD BOTH THE MODULE AND THE MOTOR REPLACED. THE PARTS T…
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FAILURE OF ANTI-LOCK BRAKE SYSTEM. DEFECTIVE MODULE KEPT FEEDING POWER TO THE MOTOR OF THE ABS AND THEN THE MOTOR FRIED. MY ABS LIGHT (YELLOW) CAME ON FOLLOWED BY THE BRAKE SERVICE LIGHT (RED). A DIAGNOSTIC SCAN REVEALED THE ABS MODULE AND MOTOR BOTH WERE DEFECTIVE. I HAD BOTH THE MODULE AND THE MOTOR REPLACED. THE PARTS TOTALED AROUND $1500. *NM
NHTSA ODI #10144785
66,577 miles · Nov 9, 2005
Service Brakes, Hydraulic
THE ANTI-LOCK BRAKES SYSTEM FAILED DO TO CORROSION, DO TO THE SALT USAGE FOR SNOW & ICE CONTROL IN THE STATE OF MINNESOTA. THEY WOULD ACTIVATE AT LOW SPEEDS, AND BY THE TIME I GOT THE DEALER TO GET IT REPAIRED I ALMOST HIT A BUILDING AND A VEHICLE COULDN'T STOP IN TIME. THE PARTS WHERE REMOVED, CLEANED, CONDITIONED AND PUT BACK …
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THE ANTI-LOCK BRAKES SYSTEM FAILED DO TO CORROSION, DO TO THE SALT USAGE FOR SNOW & ICE CONTROL IN THE STATE OF MINNESOTA. THEY WOULD ACTIVATE AT LOW SPEEDS, AND BY THE TIME I GOT THE DEALER TO GET IT REPAIRED I ALMOST HIT A BUILDING AND A VEHICLE COULDN'T STOP IN TIME. THE PARTS WHERE REMOVED, CLEANED, CONDITIONED AND PUT BACK ON THE VEHICLE. CAMPAIGN NUMBER 05V379000. *JB
NHTSA ODI #10142259
70,637 miles · Nov 8, 2005
Power Train
MY TRANSMISSION WENT OUT @ 70637 MILES . THIS CONVERSION VAN IS USED MAINLY FOR LONG DISTANCE TRAVEL. ISN'T IT RATHER COINCIDENTAL THAT MY NEIGHBORS LIKE VAN'S TRANSMISSION WENT OUT TOO. NOW THIS IS AFTER THE EXTENDED WARRANTY EXPIRED ON 3/24/2005. THIS VAN HAS BEEN NOTHING BUT TROUBLE. I HAVE NEVER GONE ON A TRIP WITH OUT SOME …
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MY TRANSMISSION WENT OUT @ 70637 MILES . THIS CONVERSION VAN IS USED MAINLY FOR LONG DISTANCE TRAVEL. ISN'T IT RATHER COINCIDENTAL THAT MY NEIGHBORS LIKE VAN'S TRANSMISSION WENT OUT TOO. NOW THIS IS AFTER THE EXTENDED WARRANTY EXPIRED ON 3/24/2005. THIS VAN HAS BEEN NOTHING BUT TROUBLE. I HAVE NEVER GONE ON A TRIP WITH OUT SOME SORT OF VEHICLE TROUBLE WITH THIS VAN. IT LEFT ME IN THE BOONDOCKS OF MINNESOTA LAST SUMMER THREE TIMES BECAUSE OF A FAULTY "SECURITY" COMPUTER CHIP AND HAS NUMEROUS "ENGINE CHECK LIGHTS" THAT COME ON AND THEN OFF. BUT, THE MAIN THING IS THE TRANSMISSION. I FIRMLY BELIEVE THAT GENERAL MOTORS INSTALLED A TRANSMISSION THAT IS TOO SMALL FOR A VEHICLE OF THIS SIZE AND WEIGHT. *JB
NHTSA ODI #10142202
79,000 miles · Oct 15, 2005
Parking Brake
STATE SAFETY INSPECTION- PARKING BRAKE FAILURE, 158.24 REPAIR. PARKING BRAKE PADS. MECHANIC TOLD ME THIS IS A COMMON PROBLEM WITH CHEVROLET AND GM PICKUPS OF SEVERAL MODEL YEARS(MINE IS A 2000) CONTACTED CHEVROLET AND WAS TOLD NOTHING COULD BE DONE SINCE THERE WAS NO RECALL. THERE IS A RECALL ON MANUAL TRANSMISSION MODELS OF T…
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STATE SAFETY INSPECTION- PARKING BRAKE FAILURE, 158.24 REPAIR. PARKING BRAKE PADS. MECHANIC TOLD ME THIS IS A COMMON PROBLEM WITH CHEVROLET AND GM PICKUPS OF SEVERAL MODEL YEARS(MINE IS A 2000) CONTACTED CHEVROLET AND WAS TOLD NOTHING COULD BE DONE SINCE THERE WAS NO RECALL. THERE IS A RECALL ON MANUAL TRANSMISSION MODELS OF THIS TRUCK. MY BIGGEST CONCERN IS THIS PROBLEM WOULD NOT BE KNOWN BY MOST CONSUMERS UNLESS THEY HAVE A REQUIRED SAFETY INSPECTION. *NM
NHTSA ODI #10139757
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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