1ST TIME WAS PULLING OUT OF MY DRIVEWAY AND LEFT REAR BRAKE LINE BROKE JUST IN FRONT OF THE WHEEL,(REPLACED LINE) 2ND TIME ON THE ROAD DRIVING @ 60MPH AND GO TO STOP AND PEDAL GOES TO FLOOR, LUCKILY II GOT INTO A CORN FIELD BEFORE ANYONE WAS HURT!! FRONT LINE BROKE AT FRAME JUST FORWARD OF THE MASTER CYLINDER, WHO EVER HEARD …
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1ST TIME WAS PULLING OUT OF MY DRIVEWAY AND LEFT REAR BRAKE LINE BROKE JUST IN FRONT OF THE WHEEL,(REPLACED LINE) 2ND TIME ON THE ROAD DRIVING @ 60MPH AND GO TO STOP AND PEDAL GOES TO FLOOR, LUCKILY II GOT INTO A CORN FIELD BEFORE ANYONE WAS HURT!! FRONT LINE BROKE AT FRAME JUST FORWARD OF THE MASTER CYLINDER, WHO EVER HEARD OF THE MAIN SAFETY FIGURE OF YOUR VEHICLE WOULD NOT BE STAINLESS STEEL!! WHO IN THE WORLD ARE WATCHING OVER THESE MANUFACTURERS!
NHTSA ODI #10780232
163,000 miles · Sep 24, 2015
Service Brakes
MY DAUGHTER WAS DRIVING AND PULLED INTO OUR DRIVE. SHE STEPPED ON THE BRAKE AND PEDAL WENT TO THE FLOOR. FOUND BRAKE LINE FAILURE UNDER CAB LEAKING BRAKE FLUID.
NHTSA ODI #10776503
123,000 miles · Sep 5, 2015
Service Brakes
THIS IS THE 2ND INCIDENT TO REPAIR A RUSTED BRAKE LINE. LUCKILY, I WAS NOT IN TRAFFIC AND IT HAPPENED WHILE I WAS COMING UP OUR DRIVEWAY AND WHEN THE BRAKE PEDAL WENT TO THE FLOOR, I KNEW WHAT WAS WRONG. IT COST ME $130.00 TO TOW THE TRUCK TO OUR LOCAL CHEVROLET DEALER IN ROMNEY, WV AND THE REPAIR WILL COST ME $1000.00. KNOWING …
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THIS IS THE 2ND INCIDENT TO REPAIR A RUSTED BRAKE LINE. LUCKILY, I WAS NOT IN TRAFFIC AND IT HAPPENED WHILE I WAS COMING UP OUR DRIVEWAY AND WHEN THE BRAKE PEDAL WENT TO THE FLOOR, I KNEW WHAT WAS WRONG. IT COST ME $130.00 TO TOW THE TRUCK TO OUR LOCAL CHEVROLET DEALER IN ROMNEY, WV AND THE REPAIR WILL COST ME $1000.00. KNOWING THIS YEAR CHEVROLET TRUCK HAS THE BRAKE LINE RUST PROBLEM, I ALWAYS POWER WASH THE UNDERCARRIAGE.
NHTSA ODI #10761770
114,000 miles · Sep 1, 2015
Service Brakes
RUSTED REAR TUBING ALONG DRIVER SIDE FRAME RUPTURED WHILE APPROACHING A RED TRAFFIC SIGNAL AT A BUSY INTERSECTION. CONTROL OF ALL 4 WHEELS WAS LOST WITHOUT WARNING. ALL STEEL TUBING IS EXTREMELY RUSTED.
NHTSA ODI #10760615
207,000 miles · Aug 27, 2015
Service Brakes
TL* THE CONTACT OWNS A 1999 CHEVROLET 1500. WHILE DRIVING AT APPROXIMATELY 19 MPH, THE VEHICLE STOPPED A LONGER DISTANCE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE ANTI- BRAKE SYSTEM LIGHT ILLUMINATED. THE FAILURE OCCURRED CONSTANTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SPEED SENSOR AND ALL WHEEL BEARI…
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TL* THE CONTACT OWNS A 1999 CHEVROLET 1500. WHILE DRIVING AT APPROXIMATELY 19 MPH, THE VEHICLE STOPPED A LONGER DISTANCE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE ANTI- BRAKE SYSTEM LIGHT ILLUMINATED. THE FAILURE OCCURRED CONSTANTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SPEED SENSOR AND ALL WHEEL BEARINGS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN THE NHTSA CAMPAIGN NUMBER: 05V379000 (SERVICE BRAKES, HYDRAULIC). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 207,000.
NHTSA ODI #10759720
100,000 miles · Aug 17, 2015
Service Brakes
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THERE WAS EXTENSIVE RUST AND CORROSION ON THE BRAKE LINES. AS A RESULT, THE BRAKE LINES PREMATURELY FRACTURED SEVERAL TIMES. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHO REPLACED THE BRAKE LINES TWICE; HOWEVER, THE FAILURE RECURRED. THE CONTACT…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THERE WAS EXTENSIVE RUST AND CORROSION ON THE BRAKE LINES. AS A RESULT, THE BRAKE LINES PREMATURELY FRACTURED SEVERAL TIMES. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHO REPLACED THE BRAKE LINES TWICE; HOWEVER, THE FAILURE RECURRED. THE CONTACT STATED THAT THE ABS WARNING LIGHT ILLUMINATED AND THE BRAKE PEDAL SANK TO THE FLOOR. THE VEHICLE WAS TO BE TOWED TO AN INDEPENDENT MECHANIC A THIRD TIME FOR INSPECTION AND DIAGNOSIS. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
NHTSA ODI #10749055
194,000 miles · Aug 12, 2015
Service Brakes
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES WERE DEPRESSED AND FAILED TO OPERATE WITHOUT WARNING. THE CONTACT WAS ABLE TO AVOID AN ACCIDENT. AFTER INSPECTING THE VEHICLE, THE CONTACT DISCOVERED THAT THE BRAKE LINES WERE CORRODED. THE VEHICLE WAS NOT REPA…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES WERE DEPRESSED AND FAILED TO OPERATE WITHOUT WARNING. THE CONTACT WAS ABLE TO AVOID AN ACCIDENT. AFTER INSPECTING THE VEHICLE, THE CONTACT DISCOVERED THAT THE BRAKE LINES WERE CORRODED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 194,000.
NHTSA ODI #10748046
117,000 miles · Aug 6, 2015
Service Brakes
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKES MALFUNCTIONED AND THE DRIVER WAS UNABLE TO IMMEDIATELY STOP THE VEHICLE. THE CONTACT INDICATED THAT WHEN DEPRESSING THE BRAKE PEDAL, IT TRAVELED TO THE FLOORBOARD AND THE BRAKING DISTANCE WAS INCREASED. TH…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKES MALFUNCTIONED AND THE DRIVER WAS UNABLE TO IMMEDIATELY STOP THE VEHICLE. THE CONTACT INDICATED THAT WHEN DEPRESSING THE BRAKE PEDAL, IT TRAVELED TO THE FLOORBOARD AND THE BRAKING DISTANCE WAS INCREASED. THE VEHICLE NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 117,000.
NHTSA ODI #10746730
15 miles · Jul 11, 2015
Service BrakesCrash
PULLING INTO DRIVEWAY AT MY BROTHER'S HOUSE AND BRAKE LINE RUSTED THROUGH CAUSING MY TO ON THIS DOWNHILL GRADE RUN INTO ANOTHER VEHICLE AT HIS HOUSE. DAMAGED THE BUMPER AND GRILL ON MY TRUCK AND HIS BUMPER AND HOOD OF HIS CAR IN AN OLDS ALERO. REPLACING ALL BRAKE LINES WITH STAINLESS STEEL AND NOT REPAIRING THE DAMAGED PARTS…
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PULLING INTO DRIVEWAY AT MY BROTHER'S HOUSE AND BRAKE LINE RUSTED THROUGH CAUSING MY TO ON THIS DOWNHILL GRADE RUN INTO ANOTHER VEHICLE AT HIS HOUSE. DAMAGED THE BUMPER AND GRILL ON MY TRUCK AND HIS BUMPER AND HOOD OF HIS CAR IN AN OLDS ALERO. REPLACING ALL BRAKE LINES WITH STAINLESS STEEL AND NOT REPAIRING THE DAMAGED PARTS DUE TO GM BEING CHEAP ON SUCH A VITAL PART.
NHTSA ODI #10733382
165,000 miles · Jun 2, 2015
Service BrakesCrash
AS I TURNED INTO THE DRIVEWAY, THE BRAKES PUSHED ALL THE WAY TO THE FLOOR AND THE ABS SYSTEM KICKED IN (ON DRY PAVEMENT). VEHICLE WAS NOT STOPPING SO I RAN IT INTO THE FRAME OF THE GARAGE DOOR TO STOP, OTHERWISE I WOULD HAVE RAN THROUGH THE GARAGE DOOR. THE SHOP COULD NOT DETERMINE WHY THE ABS LIGHT STAYED ON. BRAKE LINES WER…
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AS I TURNED INTO THE DRIVEWAY, THE BRAKES PUSHED ALL THE WAY TO THE FLOOR AND THE ABS SYSTEM KICKED IN (ON DRY PAVEMENT). VEHICLE WAS NOT STOPPING SO I RAN IT INTO THE FRAME OF THE GARAGE DOOR TO STOP, OTHERWISE I WOULD HAVE RAN THROUGH THE GARAGE DOOR. THE SHOP COULD NOT DETERMINE WHY THE ABS LIGHT STAYED ON. BRAKE LINES WERE TOTALLY RUSTED. TRUCK HAS A GOOD ENGINE, BUT TERRIBLE RUST ON BRAKE LINES, FRAME, LOWER BODY PANEL BEHIND DOORS. PAINT PEALING OFF HOOD AND ROOF.
NHTSA ODI #10722998
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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