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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 →

When problems were reported

Mileage at the reported incident

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

What owners actually said

614 reports
Mileage unknown · Jan 31, 2005
Electrical SystemFire

I OWN A 2000 CHEVROLET SILVERADO PICK UP TRUCK, I AM HAVING SEVERE ELECTRICAL PROBLEMS WITH MY VEHICLE. IT IS OUT OF WARRANTY AND THE DEALER STATES THEY ARE NOT RESPONSIBLE FOR THE REPAIRS. I BOUGHT THE TRUCK USED AND HAVE PUT ONLY 10,000 MILES ON MY VEHICLE AND MOSTLY USE MY COMPANY CAR. I AM LOOKING OFR SOME TYPE OF RELIEF PLE…

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I OWN A 2000 CHEVROLET SILVERADO PICK UP TRUCK, I AM HAVING SEVERE ELECTRICAL PROBLEMS WITH MY VEHICLE. IT IS OUT OF WARRANTY AND THE DEALER STATES THEY ARE NOT RESPONSIBLE FOR THE REPAIRS. I BOUGHT THE TRUCK USED AND HAVE PUT ONLY 10,000 MILES ON MY VEHICLE AND MOSTLY USE MY COMPANY CAR. I AM LOOKING OFR SOME TYPE OF RELIEF PLEASE HELP.*AK

NHTSA ODI #10108281

110,021 miles · Jan 28, 2005
Fuel System, OtherFire

I AM CURRENTLY WORKING BASED IN MEXICO. MY 2000 TAHOE IS MY FAMILY VEHICLE THAT I ONLY USE TO TRAVEL WITH MY FAMILY WITHIN MEXICO. ON FRIDAY THE 21ST OF JANUARY 2005 MY SON AND I WERE TRAVELING ON A STATE ROAD AND MY TAHOE CAUGHT ON FIRE GOING 50 MPH. TRAFIC ON THE ROAD WAS SIGNALING TO ME AS IF THERE WAS A PROBLEM BUT I CONT…

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I AM CURRENTLY WORKING BASED IN MEXICO. MY 2000 TAHOE IS MY FAMILY VEHICLE THAT I ONLY USE TO TRAVEL WITH MY FAMILY WITHIN MEXICO. ON FRIDAY THE 21ST OF JANUARY 2005 MY SON AND I WERE TRAVELING ON A STATE ROAD AND MY TAHOE CAUGHT ON FIRE GOING 50 MPH. TRAFIC ON THE ROAD WAS SIGNALING TO ME AS IF THERE WAS A PROBLEM BUT I CONTINUED TO DRIVE FOR ABOUT 100 YARDS BECAUSE ALL THE LEVES AND GAUGES WERE NORMAL ON THE TRUCK. I STOPPED IMMEDIATELY AFTER I SAW SOME SMOKE AND BY THE TIME I STOPPED THE TRUCK WAS IN FLAMES ON THE FRONT, UNDERNEATH AND REAR. I ONLY HAD TIME TO TAKE MY 6 YEAR OLD CHILD OUT OF THE TRUCK WHICH WAS THE MOST IMPORTANT ASPECT BUT THE TRUCK AND BELONGINGS WERE A TOTAL LOSS. THE FIRE DEPARTMENT COULD NOT STOP THE FIRE AS IT LASTED FOR 1 HOUR AND NOTHING BUT THE FRAME WAS LEFT OF THE TRUCK. WE WERE FORTUNATE THAT NOTHING HAPPENED TO MY CHILD AND I BUT THIS IS SOMETHING EXTEMELY DANGEROUS THAT SHOULD BE AVOIDED FOR FUTURE CUSTOMERS OF THIS VEHICLE. WE ALWAYS KEPT THIS VEHICLE ON TOP CONDITIONS AND WE HAVE NO IDEA WHY THIS WAS CAUSED OR HOW TO AVIOD THIS IN THE FUTURE. WE RECIEVED GREAT HELP FROM THE MEXICAN POLICE AND FIRE DEPARTMENT AS THEY TOOK CARE OF ALL THE ROAD DAMAGES AND THEY ALSO CLEARED ME FROM ANY DAMAGES TO THE CITY AS THIS IS NORMALY PAID FOR BY THE DRIVER. MY FAMILY IS THE MOST IMPORTANT THING IS THIS WORLD AND I AM SURE THAT OTHERS FEEL THE SAME ABOUT THEIR FAMILIES AND I HOPE GM VSN HELP WITH THIS ISSUE BY IMPROVING THIS VEHICLE. *AK

NHTSA ODI #10108131

10,000 miles · Jan 13, 2005
Parking Brake

VEHICLE IS EXPERIENCING PROBLEMS WITH THE EMERGENCY BRAKES. OWNER WILL APPLY THE EMERGENCY BRAKE AND THE VEHICLE WILL CONTINUE TO ROLL FORWARD OR BACKWARD. THE EMERGENCY BRAKE WILL NOT HOLD IT'S POSITION WHEN APPLIED. *NM

NHTSA ODI #10107300

70,000 miles · Dec 8, 2004
Seats

ON TWO SEPARATE OCCASIONS DRIVER'S SEAT BRACKET BROKE FROM THE VEHICLE AND CAUSED THE SEAT TO MOVE WHILE DRIVING 35 MPH. ON THE FIRST OCCASION THE PROBLEM WAS REPAIRED BY THE DEALER. ON THE SECOND OCCASION DEALER WILL REPAIR PROBLEM AT CONSUMER'S EXPENSE.*AK THE SEAT BRACKET FAILED ALLOWING THE SEAT TO PIVOT FORWARD THROWING…

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ON TWO SEPARATE OCCASIONS DRIVER'S SEAT BRACKET BROKE FROM THE VEHICLE AND CAUSED THE SEAT TO MOVE WHILE DRIVING 35 MPH. ON THE FIRST OCCASION THE PROBLEM WAS REPAIRED BY THE DEALER. ON THE SECOND OCCASION DEALER WILL REPAIR PROBLEM AT CONSUMER'S EXPENSE.*AK THE SEAT BRACKET FAILED ALLOWING THE SEAT TO PIVOT FORWARD THROWING THE CONSUMER INTO THE STEERING WHEEL. *TC

NHTSA ODI #10099955

109,000 miles · Nov 9, 2004
Air BagsCrashInjury

MY VEHICLE HYDROPLANED FROM THE LEFT LANE INTO THE RIGHT LANE. THE FRONT OF MY VEHICLE IMPACTED A VEHICLE IN THE RIGHT LANE, MY VEHICLE THEN CONTINUED INTO A RETAINING WALL ON THE SIDE OF THE INTERSTATE. I IMPACTED THE RETAINING WALL HEAD ONAT APPROX 35 MPH. MY VEHICLE WAS THEN STRUCK IN THE PASSENGER SIDE BY ANOTHER VEHICLE. MY…

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MY VEHICLE HYDROPLANED FROM THE LEFT LANE INTO THE RIGHT LANE. THE FRONT OF MY VEHICLE IMPACTED A VEHICLE IN THE RIGHT LANE, MY VEHICLE THEN CONTINUED INTO A RETAINING WALL ON THE SIDE OF THE INTERSTATE. I IMPACTED THE RETAINING WALL HEAD ONAT APPROX 35 MPH. MY VEHICLE WAS THEN STRUCK IN THE PASSENGER SIDE BY ANOTHER VEHICLE. MY AIRBAGS DID NOT DEPLOY IN THE ACCIDENT.*AK

NHTSA ODI #10098568

140,000 miles · Oct 5, 2004
Engine And Engine Cooling

WHEN STARTING THE VEHICLE AT ANY TIME A KNOCKING NOISE WAS HEARD. *AK

NHTSA ODI #10095085

122,756 miles · Sep 28, 2004
Structure

TAILGATE FELL OFF WHILE PULLING ONTO THE HIGHWAY. TAILGATE WAS BEING DRAGGED WITHOUT CONSUMER'S KNOWLEDGE. RECALL 04V129000 WAS RECEIVED FOR THE DEFECT. *AK

NHTSA ODI #10094492

Mileage unknown · Aug 31, 2004
Fuel System, Other

LOW FUEL LIGHT COMES ON EVEN WHEN THE TANK WAS JUST FILLED UP. MAINLY WHEN IDILING AND AFTER STARTING VECHICLE.*AK

NHTSA ODI #10088873

105,398 miles · Aug 20, 2004
Service Brakes, HydraulicCrash

WHENEVER I APPLY MY BRAKES NORMALLY, THE ANTI-LOCK BRAKE SYSTEM ENGAGES WHEN THE VEHICLE SPEED DECREASES TO APPROXIMATELY 6 MPH. THIS CAUSES THE BRAKE PEDEL TO LOCK AND THE VEHICLE CONTINUES FORWARD UNTIL IT ROLLS TO A STOP OR IT HITS SOMTHING. I HAVE ALREADY HIT SEVERAL CARS AND ROLLED THROUGH MANY INTERSECTIONS. EVENTULY SOMEO…

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WHENEVER I APPLY MY BRAKES NORMALLY, THE ANTI-LOCK BRAKE SYSTEM ENGAGES WHEN THE VEHICLE SPEED DECREASES TO APPROXIMATELY 6 MPH. THIS CAUSES THE BRAKE PEDEL TO LOCK AND THE VEHICLE CONTINUES FORWARD UNTIL IT ROLLS TO A STOP OR IT HITS SOMTHING. I HAVE ALREADY HIT SEVERAL CARS AND ROLLED THROUGH MANY INTERSECTIONS. EVENTULY SOMEONE IS GOING TO GET HURT. I HAVE SEARCHED MANY WEBSITES AND FOUND THIS TO BE A VERY COMMON PROBLEM CAUSED BY DIRTY WHEEL HUB SENSORS DUE TO A MANUFACTURES DESIGN FLAW. THE DEALERS OFTEN MIS-DIAGNOS OR SCAM CUSTOMERS INTO NEW ABS COMPUTERS AND OTHER EXPENSIVE SOLUTIONS. THE BEST SOLUTION IS TO PULL THE ABS FUSE FOR THE ABS CONTROL MODULE BUT THIS MAKES THE VEHICLE UNABLE TO PASS STATE INSPECTIONS. MOTOR VEHICLES WITH THIS CONDITION ARE A SAFETY HAZARD AND OFTEN UNREPORTED. PREVENTION CANNOT BE ACCOMPLISHED BY NORMAL OWNER MAINTAINENCE AND MANUFACTURERS SHOULD BE HELD RESPONSABLE. *AK

NHTSA ODI #10088249

25,000 miles · Jul 30, 2004
Tires

BOTH CONSUMER'S VEHICLES HAD INTENSE TREAD USEAGE. TIRES WERE REPLACED THREE TIMES ON EACH VEHICLE. THE SECOND VEHICLE ALSO HAVD GENERAL TIRES, SIZE 235/85R16. *AK

NHTSA ODI #10083939

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.