IllustrationMY PARKING BRAKE HAS FAILED ON MY 2000 SILVERADO 1500, 2 TIMES. THE PARKING BRAKE BECAME ENGAGED WHILE DRIVING (THE PEDAL WAS UP AND NO LIGHT WAS SHOWING) CAUSING THE VEHICLE TO DRAG. IT HAD TO BE TOWED TO A GARAGE TO HAVE THE PARKING BRAKE SHOES AND CLIP REPLACED. *JB
2000 Chevrolet Silverado 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2000 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.
About this comparison →How this year compares
Owner complaints by model year
Compare all Silverado 1500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
210–25K
3725–50K
8050–75K
10275–100K
152100–150K
97150K+
489 reports with mileage · 125 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes, Hydraulic. Review the 237 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 162 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
69 crash reports5 fire reports25 injury reports
Parking Brake complaints
25 reportsSAME PARKING BRAKE PROBLEM AS COVERED IN RECALL ON TRUCKS WITH MANUAL TRANSMISSION, ONLY MINE IS AN AUTOMATIC AND NOT COVERED. PARKING BRAKE HAS SELDOM BEEN USED YET PEDAL GOES ALL THE WAY TO FLOOR AND DOES NOT HOLD VEHICLE SECURELY SINCE 30,000 MILES, AND CANNOT BE ADJUSTED. PARKING BRAKE SHOES ARE WORN ABNORMALLY WHILE REAR DI…
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SAME PARKING BRAKE PROBLEM AS COVERED IN RECALL ON TRUCKS WITH MANUAL TRANSMISSION, ONLY MINE IS AN AUTOMATIC AND NOT COVERED. PARKING BRAKE HAS SELDOM BEEN USED YET PEDAL GOES ALL THE WAY TO FLOOR AND DOES NOT HOLD VEHICLE SECURELY SINCE 30,000 MILES, AND CANNOT BE ADJUSTED. PARKING BRAKE SHOES ARE WORN ABNORMALLY WHILE REAR DISK BRAKE PADS (ORIGINAL) ARE BARELY WORN. THIS IS A TERRIBLE DESIGN AND NEEDS A RECALL. INTERNET FORUMS ARE FULL OF COMPLAINTS SIMILAR TO MINE ON THIS VEHICLE.
PARKING BRAKE DOES NOT WORK IN MY 2000 SILVERADO 1500 EQUIPPED WITH AN AUTOMATIC TRANSMISSION. UNDERSTANDING THAT A RECALL FOR THE MANUALS HAS BEEN MADE, I FEEL THAT IT IS NECESSARY TO DO THE SAME FOR AUTOMATICS, TO RELIEVE UNDUE STRESS ON POWER TRAIN WHEN PARKED ON A HILL. THE PARKING BRAKE HAS NOT WORKED SINCE THE TRUCK REACH…
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PARKING BRAKE DOES NOT WORK IN MY 2000 SILVERADO 1500 EQUIPPED WITH AN AUTOMATIC TRANSMISSION. UNDERSTANDING THAT A RECALL FOR THE MANUALS HAS BEEN MADE, I FEEL THAT IT IS NECESSARY TO DO THE SAME FOR AUTOMATICS, TO RELIEVE UNDUE STRESS ON POWER TRAIN WHEN PARKED ON A HILL. THE PARKING BRAKE HAS NOT WORKED SINCE THE TRUCK REACHED 36,000 MILE'S. *NM
2000 SILVERADO 4 WHEEL DRIVE VIN 2GCEK19T6Y13XXXXX REAR BRAKES CORRODE EVERY 8,000 MILES TO THE POINT OF BEING TOTALLY INEFFECTIVE AT STOPPING THE VEHICLE. ALSO PARKING BRAKES REQUIRE READJUSTMENT AT 8,000 MILES BECAUSE THEY WEAR OUT NOT EVEN BEING USED. THIS I SEE WAS A RECALL FOR MANUAL TRANSMISSIONS, AUTOMATIC TRANSMISSIONS…
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2000 SILVERADO 4 WHEEL DRIVE VIN 2GCEK19T6Y13XXXXX REAR BRAKES CORRODE EVERY 8,000 MILES TO THE POINT OF BEING TOTALLY INEFFECTIVE AT STOPPING THE VEHICLE. ALSO PARKING BRAKES REQUIRE READJUSTMENT AT 8,000 MILES BECAUSE THEY WEAR OUT NOT EVEN BEING USED. THIS I SEE WAS A RECALL FOR MANUAL TRANSMISSIONS, AUTOMATIC TRANSMISSIONS SUFFER THE SAME PROBLEM BUT NO RECALL.NHTSA RECALL#05V1610000.THE REAR BRAKE PADS WEAR OUT EVERY 30,000 MILES THE FRONT BRAKE PADS EVERY 100,000 MILES THIS I BELIEVE IS THE CAUSE OF MANY VEHICLE ACCIDENTS ,THIS IS BECAUSE THE VEHICLE IS ONLY BEING STOPPED BY ONE SET OF BRAKES WHICH CAUSES THE ABS TO COME ON PREMATURELY.THIS ALL STARTED IN THE YEAR 2000 AND STILL CONTINUES TODAY NOVEMBER 2006. *NM
DT*: THE CONTACT STATED WHILE THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC SHOP FOR BRAKE SERVICE, IT WAS DETERMINED THE REAR PARKING BRAKE PADS WERE WORN OUT. THE MECHANIC ALSO FOUND A NHTSA RECALL #05V161000 REGARDING THE PARKING BRAKE VIA WEBSITE SIMILAR TO THE PROBLEMS THE VEHICLE HAD. THE MANUFACTURER WAS CONTACTED AN…
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DT*: THE CONTACT STATED WHILE THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC SHOP FOR BRAKE SERVICE, IT WAS DETERMINED THE REAR PARKING BRAKE PADS WERE WORN OUT. THE MECHANIC ALSO FOUND A NHTSA RECALL #05V161000 REGARDING THE PARKING BRAKE VIA WEBSITE SIMILAR TO THE PROBLEMS THE VEHICLE HAD. THE MANUFACTURER WAS CONTACTED AND EXPRESSED THAT THE RECALL WAS FOR VEHICLES WITH MANUAL TRANSMISSIONS. THE CONTACT'S VEHICLE HAD AN AUTOMATIC TRANSMISSION, BUT HAD THE SAME PROBLEMS STATED IN THE RECALL. UPDATED 10/30/06. *JB
PARKING BRAKE FAILURE. THE PARKING BRAKE HAS FAILED TO SECURE VEHICLE. I REALIZE THAT RECALL HAS BEEN MADE FOR MANUAL TRANS BUT THIS HAS GOTTEN PROGRESSIVELY WORSE AND NOW TOTAL FAILURE. FAILED SAFETY AND STATE VEHICLE INSPECTION. THE INTERNET BOARDS ARE FILLED WITH EXAMPLES OF FAILED PARKING/EMERGENCY BRAKES ON 2000 YR SILVERAD…
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PARKING BRAKE FAILURE. THE PARKING BRAKE HAS FAILED TO SECURE VEHICLE. I REALIZE THAT RECALL HAS BEEN MADE FOR MANUAL TRANS BUT THIS HAS GOTTEN PROGRESSIVELY WORSE AND NOW TOTAL FAILURE. FAILED SAFETY AND STATE VEHICLE INSPECTION. THE INTERNET BOARDS ARE FILLED WITH EXAMPLES OF FAILED PARKING/EMERGENCY BRAKES ON 2000 YR SILVERADO. THIS CONSTITUTES A DESIGN DEFECT AND GM NEEDS TO ADDRESS. LINKAGE IS NOW LOCKED IN OPEN POSITION EFFECTIVELY PROVIDING NO EMERGENCY BRAKE. THIS IN ADDITION TO THE FAILURE OF THE FUEL SENSING MODULE IN FUEL TANK AND THE ABS BRAKE SHUDDER/FAILURE PROBLEMS AT LOWER SPEEDS. I JUST WANT IT ON RECORD THAT GM PUTS OUT THESE TRUCKS YR/YR WITH THESE KNOW PROBLEMS AND DOESN'T CORRECT THESE SAFETY ISSUES UNTIL THE NHTSA PUTS THEIR WEIGHT BEHIND IT. THX *CBC *NM
PARKING BRAKE FAILURE AS IN RECALL #050042 EXCEPT MY VEHICLE IS HAS AN AUTOMATIC TRANSMISSION. PARKING BRAKE FAILS TO HOLD VEHICLE SECURELY ON AN INCLINE. ALSO, PARKING BRAKE PEDAL HAS NOW RELEASED WITH SUCH EXCESSIVE FORCE THAT IT HAS EXCEEDED ITS NORMAL RANGE OF MOTION AND HAS BECOME MECHANICALLY LOCKED IN THE "UP" OR RELEAS…
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PARKING BRAKE FAILURE AS IN RECALL #050042 EXCEPT MY VEHICLE IS HAS AN AUTOMATIC TRANSMISSION. PARKING BRAKE FAILS TO HOLD VEHICLE SECURELY ON AN INCLINE. ALSO, PARKING BRAKE PEDAL HAS NOW RELEASED WITH SUCH EXCESSIVE FORCE THAT IT HAS EXCEEDED ITS NORMAL RANGE OF MOTION AND HAS BECOME MECHANICALLY LOCKED IN THE "UP" OR RELEASED POSITION RENDERING IT INOPERABLE. *JB
WHEN GETTING MY 2000 CHEVY TRUCK INSPECTED, IT FAILED DUE TO THE PARKING BRAKE NOT HOLDING. CURIOUS I WENT TO SEVERAL INSPECTION STATION AND ASKED FOR AN INSPECTION. THE FOUR SHOPS I APPROACHED ALL ASKED IF I HAD MY PARKING BRAKE FIXED BEFORE THEY WOULD INSPECT IT. WHEN SPEAKING TO A MORITZ CHEVY (IN FT. WORTH, TX) DEALERSHIP…
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WHEN GETTING MY 2000 CHEVY TRUCK INSPECTED, IT FAILED DUE TO THE PARKING BRAKE NOT HOLDING. CURIOUS I WENT TO SEVERAL INSPECTION STATION AND ASKED FOR AN INSPECTION. THE FOUR SHOPS I APPROACHED ALL ASKED IF I HAD MY PARKING BRAKE FIXED BEFORE THEY WOULD INSPECT IT. WHEN SPEAKING TO A MORITZ CHEVY (IN FT. WORTH, TX) DEALERSHIP, I WAS TOLD THAT IF YOU DON'T USE THE PARKING BRAKE IT WILL SHIFT AND NOT WORK. AND WORSE THEY SAID IT COULD RUB THE OTHER ROTORS AND EVENTUALLY NEED REPLACING. ALL THIS FROM SOMETHING THAT IS NEVER USED IN THE CAR. SHOULD I HAVE THE AIR BAG INSPECTED SINCE I NEVER USE IT? HOW MANY PEOPLE HAVE BEEN HURT OR WORSE? EVERYONE APPARENTLY KNOWS THERE IS SOMETHING WRONG WITH THE PARKING BRAKE EXCEPT FOR CHEVY. WHY IS THAT? HOW MANY PEOPLE HAVE TO DIE BEFORE THEY WILL LISTEN? *JB
EMERGENCY/PARKING BRAKE SHOES WORN COMPLETELY OUT. 2000 CHEVY 1500 PICKUP TRUCK HAS FEW MILES BUT DEALER REFUSED TO FIX. DEALERS DO ADMIT IT IS A DESIGN DEFECT THAT ALLOWS THE SHOES TO RUB WHILE VEHICLE IS DRIVEN WEARING OUT THE SHOES. THEY HAVE A 'REDESIGNED PART' FOR REPLACEMENT. SINCE THE EMERGENCY BRAKES SHOULD NEVER ENG…
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EMERGENCY/PARKING BRAKE SHOES WORN COMPLETELY OUT. 2000 CHEVY 1500 PICKUP TRUCK HAS FEW MILES BUT DEALER REFUSED TO FIX. DEALERS DO ADMIT IT IS A DESIGN DEFECT THAT ALLOWS THE SHOES TO RUB WHILE VEHICLE IS DRIVEN WEARING OUT THE SHOES. THEY HAVE A 'REDESIGNED PART' FOR REPLACEMENT. SINCE THE EMERGENCY BRAKES SHOULD NEVER ENGAGE WHILE IN MOTION THEY SHOULD LAST FOREVER AND ALWAYS BE FUNCTIONAL IF EMERGENCY/PARKING BRAKE IS NEEDED. THE COST TO REPLACE WAS SEVERAL HUNDRED DOLLARS BUT THAT ISN'T THE REAL ISSUE. THE PROBLEM IS THAT THERE ARE PROBABLY MILLIONS OF VEHICLES OUT THERE WITH OWNERS THAT ASSUME THE BRAKE IS ENGAGE AND WORKING PROPERLY WHILE GM KNOWS THERE IS A PROBLEM BUT APPARENTLY IS WILLING TO RISK LIVES TO PREVENT A RECALL. THIS LEAVE THE OWNERS AND THEIR CHILDREN NOT TO MENTION ANYONE ELSE NEAR THE VEHICLE AT RISK OF DEATH OR INJURY WHEN THE BRAKE IS NEEDED AND DOESN'T DO IT'S JOB. *JB
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
Official recalls
0No 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
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.