TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING 30 MPH, THE FRONT OF THE VEHICLE SHOOK AND WOBBLED SO VIOLENTLY THAT IT LEFT THE CONTACT DISORIENTED. THE CONTACT HAD NO CONTROL OVER THE VEHICLE AND HAD TO PULL OVER FOR A WHILE. WHEN THE CONTACT RETUNED TO THE ROAD, THE VEHICLE CONTINUED TO SHAKE. THE FAILURE OCCURRED …
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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING 30 MPH, THE FRONT OF THE VEHICLE SHOOK AND WOBBLED SO VIOLENTLY THAT IT LEFT THE CONTACT DISORIENTED. THE CONTACT HAD NO CONTROL OVER THE VEHICLE AND HAD TO PULL OVER FOR A WHILE. WHEN THE CONTACT RETUNED TO THE ROAD, THE VEHICLE CONTINUED TO SHAKE. THE FAILURE OCCURRED BETWEEN THE SPEEDS OF 30-45 MPH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO INSTALLED NEW BEARINGS, WHICH MADE THE FAILURE WORSE. THE VEHICLE WAS TAKEN TO TWO OTHER MECHANICS, BUT EACH REPAIR FAILED. THE MANUFACTURER AND DEALER WERE NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 177,000.
NHTSA ODI #11231442
Mileage unknown · Apr 17, 2019
StructureSuspensionUnknown Or Other
161131 MILES FRAME RUSTED REAL BAD BODY LOOKS GREAT FOR THE YEAR I JUST BOUGHT THE TRUCK LOOKED REAL CLEAN INSIDE AND OUT FROM ORIGANAL OWNER PUT IT ON A LIFT AND THE FRAME IS SO RUSTED OUT DID SOME GOOGLEING AND FOUND THAT MOST ALL THESE TRUCKS WERE BUILT TO ROT OUT IN 3 YEARS
NHTSA ODI #11197051
141,000 miles · Oct 6, 2017
Suspension
BROKEN WELD HOLDING RIGHT REAR SHOCK ABSORBER TO REAR AXLE. GM IS DENYING THAT THIS WELD WAS DEFECTIVE. THIS RIGHT REAR SHOCK ABSORBER BROKE LOOSE FROM THE REAR AXLE WHILE DRIVING ON HWY 101.
NHTSA ODI #11032074
169,000 miles · Jan 15, 2016
Suspension
TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING AT VARIOUS SPEEDS, THE ABS WARNING INDICATOR ILLUMINATED. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE PASSENGER SIDE FRONT HUB ASSEMBLY FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. SHORTLY AFTERWARDS, THE VEH…
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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING AT VARIOUS SPEEDS, THE ABS WARNING INDICATOR ILLUMINATED. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE PASSENGER SIDE FRONT HUB ASSEMBLY FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. SHORTLY AFTERWARDS, THE VEHICLE WAS TAKEN IN FOR INSPECTION AND THE CONTACT WAS NOTIFIED BY THE SERVICE TECHNICIAN THAT THE DRIVER SIDE FRONT HUB ASSEMBLY FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 07E106000 (WHEELS). THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 169,000.
NHTSA ODI #10820434
72,041 miles · Apr 24, 2015
Service BrakesSuspension
THE BRAKE LINES ARE RUSTED SO BADLY IT WILL NOT PASS IT'S NEXT VA STATE INSPECTION. THIS TRUCK HAS ONLY BEEN DRIVEN 74000 MILES. CAN THIS BE NORMAL? I AM A DISABLED VET WITH LIMITED INCOME AND CAN NOT AFFORD THE COST OF REPLACEMENT. THERE IS ALSO MORE THAN NORMAL RUST OF THE SUSPENSION AND OTHER PARTS UNDER THE BODY. I B…
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THE BRAKE LINES ARE RUSTED SO BADLY IT WILL NOT PASS IT'S NEXT VA STATE INSPECTION. THIS TRUCK HAS ONLY BEEN DRIVEN 74000 MILES. CAN THIS BE NORMAL? I AM A DISABLED VET WITH LIMITED INCOME AND CAN NOT AFFORD THE COST OF REPLACEMENT. THERE IS ALSO MORE THAN NORMAL RUST OF THE SUSPENSION AND OTHER PARTS UNDER THE BODY. I BELIEVE THIS HAS GONE ON TOO LONG AND A RECALL IS NECESSARY. *TR
NHTSA ODI #10712745
65,250 miles · Nov 2, 2012
Service Brakes, HydraulicSuspension
WHILE DRIVING HOME, SOMEONE PULLED OUT IN FRONT OF ME. I APPLIED THE BRAKES AND THE PEDAL WENT STRAIGHT TO THE FLOOR. I MANAGED TO AVOID A COLLISION AND MADE IT HOME AS THIS HAPPENED LUCKILY AROUND THE CORNER FROM MY HOUSE. I LOOKED FOR THE PROBLEM, IT DIDN'T TAKE LONG AS UNDER THE HOOD THE FRAME WAS COVERED WITH BRAKE FLUID. I …
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WHILE DRIVING HOME, SOMEONE PULLED OUT IN FRONT OF ME. I APPLIED THE BRAKES AND THE PEDAL WENT STRAIGHT TO THE FLOOR. I MANAGED TO AVOID A COLLISION AND MADE IT HOME AS THIS HAPPENED LUCKILY AROUND THE CORNER FROM MY HOUSE. I LOOKED FOR THE PROBLEM, IT DIDN'T TAKE LONG AS UNDER THE HOOD THE FRAME WAS COVERED WITH BRAKE FLUID. I WAS AMAZED TO FIND THAT ONE OF THE METAL BRAKE LINE HAD RUSTED THROUGH AND THE OTHERS DON'T LOOK TO BE IN VERY GOOD CONDITION. NEEDLESS TO SAY I WILL BE REPLACING ALL THE BRAKE LINES WITH STAINLESS STEEL LINES (A COST OF $350.00). I CAN'T IMAGINE WHY STAINLESS STEEL LINES ARE NOT ORIGINAL EQUIPMENT. RUST SEEMS TO BE A PROBLEM WITH THIS VEHICLE NOT ONLY THE BRAKE LINES BUT ALSO PARTS OF THE SUSPENSION.
NHTSA ODI #10484141
70,143 miles · Sep 24, 2007
Suspension
TRUCK BEGAN TO GRIND AND POP AS I WENT AROUND CORNERS. I HAD IT CHECKED OUT AND BOTH OF THE FRONT WHEEL BEARINGS WENT BAD WITHIN FIRST 70,000 MILES. GM WOULD NOT BACK THE VEHICLE. PARTS ALONE COST OVER $400 TO FIX THE VEHICLE. *JB
NHTSA ODI #10204016
52,000 miles · Sep 23, 2006
Suspension
I HAVE A 2002 GMC SIERRA 1500 EXTENDED CAB PICKUP WITH 52000 MILES ON IT. THE FRONT HUB BEARINGS ARE ALREADY REQUIRE REPLACEMENT. ON CONSULTING WITH THE LOCAL GARAGE, I DISCOVERED THIS WAS NOT AN ANOMALY, BUT , RATHER, A COMMON OCCURRENCE. MY PREVIOUS EXPERIENCE OVER THE YEARS WITH GM PRODUCTS IS THAT FRONT WHEEL BEARINGS COU…
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I HAVE A 2002 GMC SIERRA 1500 EXTENDED CAB PICKUP WITH 52000 MILES ON IT. THE FRONT HUB BEARINGS ARE ALREADY REQUIRE REPLACEMENT. ON CONSULTING WITH THE LOCAL GARAGE, I DISCOVERED THIS WAS NOT AN ANOMALY, BUT , RATHER, A COMMON OCCURRENCE. MY PREVIOUS EXPERIENCE OVER THE YEARS WITH GM PRODUCTS IS THAT FRONT WHEEL BEARINGS COULD BE PACKED OR REPLACED AT REASONABLE COST, AND THE PARTS PROVIDED AUDIBLE NOTICE OF FAILURE. THE CURRENT DESIGN DOES NOT PROVIDE THIS SAFETY FEATURE. THE ENTIRE HUB MUST BE REPLACED WHEN IT FAILS. AT A COST JUST QUOTED OF JUST BELOW $450 PER WHEEL. THE UNFORTUNATE FACT IS THAT IT IS UNKNOWN HOW MANY OWNERS OF GM PRODUCTS FROM 1998 ONWARD ARE DRIVING WITH WHEEL HUBS THAT ARE SO WORN THAT A CATASTROPHIC FAILURE COULD CAUSE LOSS OF A WHEEL AT HIGHWAY SPEEDS.. UNTIL THE RESOLUTION OF THIS DESIGN SHORTFALL, HIGHWAY DRIVING IS EXTREMELY DANGEROUS. *NM
NHTSA ODI #10169037
Mileage unknown · Feb 15, 2006
Electrical SystemPower TrainSeat Belts
THE 2002 WAS IN NEED OF FRONT HUBS SINCE THEY WERE NOT REPLACED WHEN THEY SHOULD HAVE BEEN AT THE TIME THE FRONT DIFFERENTIAL WAS REBUILT. THIS CAUSED THE TRUCK TO HAVE EXCESSIVE FRONT WHEEL FRICTION, AND COMPROMISED THE BRAKING CHARACTERISTICS OF THE TRUCK. IT WAS DIFFICULT TO DRIVE, ESPECIALLY IN SNOW, AND THE FRONT WHEEL FR…
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THE 2002 WAS IN NEED OF FRONT HUBS SINCE THEY WERE NOT REPLACED WHEN THEY SHOULD HAVE BEEN AT THE TIME THE FRONT DIFFERENTIAL WAS REBUILT. THIS CAUSED THE TRUCK TO HAVE EXCESSIVE FRONT WHEEL FRICTION, AND COMPROMISED THE BRAKING CHARACTERISTICS OF THE TRUCK. IT WAS DIFFICULT TO DRIVE, ESPECIALLY IN SNOW, AND THE FRONT WHEEL FRICTION WOULD VARY BASED ON CHANGES IN SPEED, ROAD CONTOUR, TEMPERATURE, STEERING INPUT, THROTTLE INPUT, AND BRAKE INPUT. WHILE BRAKING THE TRUCK WOULD OFTEN PITCH SEVERELY TO ONE SIDE OR THE OTHER, THE ABS WOULD ACTIVATE ON DRY PAVEMENT. ON ONE OCCASION THE ABS ACTIVATED WHEN MY FOOT WAS OFF THE BRAKE. THE TRUCK WOULD ALSO SWAY FROM SIDE TO SIDE AT HIGHWAY SPEED AS THE FRICTION VARIED FROM SIDE TO SIDE. WHEN THE TRUCK WAS RETURNED TO ME ONCE FROM CULLIGAN GMC, THE POWER STEERING EFFORT HAD INCREASED GREATLY. THE CHARACTERISTICS OF THE REAR LOCKING DIFFERENTIAL HAD BEEN CHANGED. THE TRUCK WAS BACK TO THE DEALER, DAVID CADILLAC, MANY TIMES FOR THE SAME CONCERN WITH THE FRONT DIFFERENTIAL. ON ONE OCCASION THE TRUCK WAS RETURNED TO ME GUSHING GEAR LUBE FROM THE FRONT AXLE, ON ANOTHER IT WAS RETURNED TO ME WITH THE FRONT DIFFERENTIAL EMPTY. I WAS CHARGED FOR A 4 WHEEL ALIGNMENT WHEN ONLY 2 WHEELS CAN BE ALIGNED ON THIS TRUCK. THE WRONG OIL FILTER WAS INSTALLED, THE TRUCK WAS DRIVEN ABUSIVELY BY A DEALER EMPLOYEE (IT WAS RUN BEYOND MECHANICAL LIMITS WHILE COLD AS I STOOD IN THE PARKING LOT), AND WHEN I CALLED THE SERVICE ADVISER AFTER THE TRUCK HAD BEEN IN HIS SHOP FOR OVER A WEEK WITHOUT MY HEARING WHAT IT'S STATUS WAS, THE SERVICE PERSON SCREAMED AT ME ON THE PHONE "WHEN IT IS FINISHED I WILL CALL YOU!!!", AND HE SLAMMED THE PHONE DOWN. *NM
ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.
Consequence & remedy
Consequence: IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.
Remedy: DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.
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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