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2000 GMC Sierra 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2000 GMC Sierra 1500 do not stand out strongly from the model-year median of 181.

About this comparison →

When problems were reported

Mileage at the reported incident

152 reports with mileage · 29 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 78 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports0 fire reports3 injury reports

What owners actually said

181 reports
129,000 miles · Nov 18, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 GMC SIERRA K1500. WHILE ATTEMPTING TO DEPRESS THE BRAKE PEDAL AT APPROXIMATELY 4-5 MPH, THE ANTILOCK BRAKES AUTOMATICALLY ENGAGED. THIS PREVENTS THE VEHICLE FROM COMING TO A COMPLETE STOP. THE FAILURE HAS OCCURRED ON DRY PAVEMENT AND SUNNY WEATHER CONDITIONS. THE VEHICLE EVENTUALLY COMES TO A COMPL…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA K1500. WHILE ATTEMPTING TO DEPRESS THE BRAKE PEDAL AT APPROXIMATELY 4-5 MPH, THE ANTILOCK BRAKES AUTOMATICALLY ENGAGED. THIS PREVENTS THE VEHICLE FROM COMING TO A COMPLETE STOP. THE FAILURE HAS OCCURRED ON DRY PAVEMENT AND SUNNY WEATHER CONDITIONS. THE VEHICLE EVENTUALLY COMES TO A COMPLETE STOP OVER A PERIOD OF TIME. AS A RESULT, THE CONTACT RUNS THE RISK OF REAR ENDING ANOTHER VEHICLE. THROUGH RESEARCH, THE CONTACT DISCOVERED NHTSA CAMPAIGN ID NUMBER 05V379000 FOR THE SAME FAILURE. HE TOOK THE VEHICLE TO A MECHANIC AND HAD THE VEHICLE DIAGNOSED. IT WAS DISCOVERED THAT THE FRONT ABS ASSEMBLY WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE CONTACT CALLED THE MANUFACTURER AND EXPLAINED THE ISSUE. GM STATED THAT HIS VIN WAS NOT INCLUDED IN THE RECALL; THEREFORE, THEY WOULD NOT BE RESPONSIBLE FOR THE REPAIRS. A MECHANIC PERFORMED THE REPAIR, BUT THE CONTACT BELIEVES THAT THE VEHICLE SHOULD HAVE BEEN INCLUDED IN THE RECALL. THE FAILURE MILEAGE WAS 129,000 AND CURRENT MILEAGE WAS 133,000. UPDATED 12/30/08 *BF WHILE DEPRESSING THE BRAKE PEDAL, THE ANTI-LOCK BRAKES ENGAGED ON DRY PAVEMENT. THE PROBLEM STARTED OUT AS INCREASING IN STOPPING DISTANCE. THE CONSUMER STATED THE ANTI-LOCK BRAKES VIBRATED SO VIOLENTLY HE WAS UNABLE TO STOP THE VEHICLE. THE ONLY WAY TO STOP THE VEHICLE WAS TO PULL THE FUSE CONTROLLING THE ANTI-LOCK BRAKES. UPDATED 01/05/09. *JB

NHTSA ODI #10249156

63,000 miles · Nov 10, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE BRAKING AT LOW SPEEDS, THE ANTILOCK BRAKES ACTIVATE AUTOMATICALLY. THE VEHICLE WAS TAKEN TO THE REPAIR SHOP FOR A DIAGNOSTIC. A REPORT WAS FILED WITH THE MANUFACTURER AND THEY STATED THAT THE VIN WAS EXCLUDED FROM NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC A…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE BRAKING AT LOW SPEEDS, THE ANTILOCK BRAKES ACTIVATE AUTOMATICALLY. THE VEHICLE WAS TAKEN TO THE REPAIR SHOP FOR A DIAGNOSTIC. A REPORT WAS FILED WITH THE MANUFACTURER AND THEY STATED THAT THE VIN WAS EXCLUDED FROM NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC ANTI LOCK). THE CURRENT AND FAILURE MILEAGES WERE 63,000.

NHTSA ODI #10248280

70,000 miles · Aug 4, 2008
Service Brakes, Hydraulic

WHILE REPLACING THE FUEL FILTER ON THE VEHICLE THE MECHANIC STATED THE FUEL LINES WERE BADLY RUSTED AND STARTED LEAKING. THE TRANSMISSION AND BRAKE LINES WERE ALSO FOUND IN THE SAME CONDITION. I WAS ADVISED THAT ALL THE LINES SHOULD BE REPLACED IMMEDIATELY DUE TO THEIR DETERIORATED CONDITION. THE VEHICLE WAS NOT SAFE TO OPERATE …

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WHILE REPLACING THE FUEL FILTER ON THE VEHICLE THE MECHANIC STATED THE FUEL LINES WERE BADLY RUSTED AND STARTED LEAKING. THE TRANSMISSION AND BRAKE LINES WERE ALSO FOUND IN THE SAME CONDITION. I WAS ADVISED THAT ALL THE LINES SHOULD BE REPLACED IMMEDIATELY DUE TO THEIR DETERIORATED CONDITION. THE VEHICLE WAS NOT SAFE TO OPERATE IN IT'S CURRENT CONDITION. WENT TO DEALER TO ORDER PARTS AND WAS TOLD THAT THE TRANSMISSION AND FUEL LINES COULD BE ORDERED (APPROX. $500.00) BUT THE BRAKE LINES ARE NO LONGER AVAILABLE. ALSO THE REAR BRAKE BACKING PLATES HAVE RUSTED OFF THE VEHICLE. ALL 4 ROTORS HAVE BEEN REPLACED 3 TIMES ALONG WITH BRAKE PADS. THE VEHICLE HAS APPROX. 70,000 MILES. I HAD A FEW NEAR MISSES WHEN TRYING TO STOP QUICKLY - ABS PROBLEM. *TR

NHTSA ODI #10236869

122,000 miles · Apr 28, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 55 MPH, THE CONTACT FELT A MUSHY FEELING WHEN HE DEPRESSED THE BRAKE PEDAL. HE DEPRESSED THE PEDAL AGAIN AND IT IMMEDIATELY EXTENDED TO THE FLOOR. THE CONTACT PULLED OFF THE ROAD, PLACED THE VEHICLE INTO NEUTRAL, AND APPLIED THE EMERGENCY BRAKE. NHTSA CA…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 55 MPH, THE CONTACT FELT A MUSHY FEELING WHEN HE DEPRESSED THE BRAKE PEDAL. HE DEPRESSED THE PEDAL AGAIN AND IT IMMEDIATELY EXTENDED TO THE FLOOR. THE CONTACT PULLED OFF THE ROAD, PLACED THE VEHICLE INTO NEUTRAL, AND APPLIED THE EMERGENCY BRAKE. NHTSA CAMPAIGN ID NUMBER 00V345000 (SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS) WAS REFERENCED. THE FAILURE MILEAGE WAS 122,000.

NHTSA ODI #10225874

57,000 miles · Apr 8, 2008
Vehicle Speed Control

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. ON JANUARY 20, 2008, WHILE DRIVING 65 MPH WITH THE CRUISE CONTROL ACTIVATED, THE CONTACT ATTEMPTED TO DECELERATE, BUT THE VEHICLE FAILED TO RESPOND. THE VEHICLE ACCELERATED TO 80 MPH AND THE CONTACT CALLED THE HIGHWAY PATROL FOR ASSISTANCE. THEY INFORMED HIM TO APPLY THE BRAKES, BUT…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. ON JANUARY 20, 2008, WHILE DRIVING 65 MPH WITH THE CRUISE CONTROL ACTIVATED, THE CONTACT ATTEMPTED TO DECELERATE, BUT THE VEHICLE FAILED TO RESPOND. THE VEHICLE ACCELERATED TO 80 MPH AND THE CONTACT CALLED THE HIGHWAY PATROL FOR ASSISTANCE. THEY INFORMED HIM TO APPLY THE BRAKES, BUT THAT DID NOT WORK. THEY THEN INFORMED HIM TO PULL OFF ON THE NEXT EXIT. THE CONTACT EXITED THE HIGHWAY, PULLED INTO A PARKING LOT, AND CIRCLED AROUND UNTIL THE VEHICLE DECELERATED TO 35 MPH. HE WAS THEN ABLE TO SHUT OFF THE VEHICLE. HE WAITED SEVERAL MINUTES BEFORE RESTARTING THE VEHICLE AND DROVE AROUND THE PARKING LOT UNTIL HE FELT CONFIDENT THAT THE FAILURE WOULD NOT RECUR. HE HAS NOT YET NOTIFIED A DEALER OR MECHANIC ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 57,000 AND CURRENT MILEAGE IS 60,131. UPDATED 04/29/08. *LJ

NHTSA ODI #10223712

47 miles · Mar 26, 2008
Service Brakes, Hydraulic

2000 GMC 1500 SIERRA 47,357 MILES HAD A RECALL ABOUT A YEAR AGO. THEY CLEANED AND ETCHED FRONT BRAKE LINES AT THE CALIPERS. TODAY TOWING A TRAILER WITH A CAR IN THE I-95 CORRIDOR BETWEEN D.C. AND BALTIMORE I HAD TO ATTEMPT A QUICK STOP FOR SLOW TRAFFIC WHEN SUDDENLY I LOST ALL BREAKING PRESSURE AND FORTUNATELY ENDED AT THE …

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2000 GMC 1500 SIERRA 47,357 MILES HAD A RECALL ABOUT A YEAR AGO. THEY CLEANED AND ETCHED FRONT BRAKE LINES AT THE CALIPERS. TODAY TOWING A TRAILER WITH A CAR IN THE I-95 CORRIDOR BETWEEN D.C. AND BALTIMORE I HAD TO ATTEMPT A QUICK STOP FOR SLOW TRAFFIC WHEN SUDDENLY I LOST ALL BREAKING PRESSURE AND FORTUNATELY ENDED AT THE INNER GRASS SPACE BARELY SAVING A HORRIBLE CRUSH WITH SEVERAL CARS LINED IN FRONT OF ME. MY FRONT RESERVOIR WAS VERY LOW, UNDERNEATH THE CAR AT THE DRIVER'S DOOR LEVEL ALL 4 BREAK LINES WERE BADLY SWOLLEN AND CORRODED,ONE AT LEAST WAS OBVIOUSLY DRIPPING,AND EVEN THE FRAME WAS CORRODED AND METAL CHUNKS WERE EASILY KNOCKED. OTHER SECTIONS LOOK VERY RUSTY WORSE THAN A 65 FORD GALAXIE AM RESTORING .AND THIS AT ALMOST 48,000 MILES . *TR

NHTSA ODI #10222444

Mileage unknown · Feb 27, 2008
Engine And Engine Cooling

CONTINUED EXCESSIVE ENGINE NOISE FROM PISTONS. *TR

NHTSA ODI #10219276

106,500 miles · Nov 5, 2007
Service Brakes, HydraulicSuspensionWheels

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. THE CONTACT RECEIVED A RECALL NOTICE FOR THE SERVICE BRAKES WHEEL SPEED SENSOR. ON SEPTEMBER 19, 2007, THE DEALER REPAIRED THE RECALL; HOWEVER, THE ABS AND BRAKE WARNING LIGHTS HAVE BEEN ILLUMINATED SINCE THE RECALL REPAIR WAS PERFORMED. WHILE DRIVING BETWEEN 15 AND 50 MPH, THE VEHI…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. THE CONTACT RECEIVED A RECALL NOTICE FOR THE SERVICE BRAKES WHEEL SPEED SENSOR. ON SEPTEMBER 19, 2007, THE DEALER REPAIRED THE RECALL; HOWEVER, THE ABS AND BRAKE WARNING LIGHTS HAVE BEEN ILLUMINATED SINCE THE RECALL REPAIR WAS PERFORMED. WHILE DRIVING BETWEEN 15 AND 50 MPH, THE VEHICLE MADE A LOUD NOISE. THE DEALER STATED THAT THE WHEEL SPEED SENSOR AND WHEEL BEARINGS WERE ONE UNIT. THE DEALER ALSO STATED THAT THEY CLEANED ONE SIDE AND THE OTHER SIDE DID NOT NEED TO BE CLEANED. THE SERVICE MANAGER CONFIRMED THAT THEY USED FORCE TO REMOVE PARTS FROM THE VEHICLE AND STATED THAT THE VEHICLE WAS ABLE TO WITHSTAND MUCH MORE DAMAGE THAN WHAT OCCURRED. DURING THE RECALL REPAIR, THE DEALER DAMAGED THE FRONT BALL JOINT AND DENTED THE ROTORS. THE DRIVER SIDE BALL JOINTS WERE REPLACED; HOWEVER, THE FAILURE IS WORSE THAN IT WAS PRIOR TO HAVING THE RECALL REPAIR PERFORMED. THE DEALER WAS UNABLE TO PROVIDE THE CONTACT WITH AN INVOICE. WHEN THE ABS LIGHT IS ILLUMINATED, THE BRAKES FAIL TO OPERATE NORMALLY. THE CONTACT HAS TO SHUT OFF THE ENGINE TO ALLOW THE ABS TO RESET ITSELF. A SECOND DIAGNOSIS BY A DIFFERENT DEALER REVEALED THAT THE DRIVER AND FRONT PASSENGER SIDE WHEEL BEARINGS WERE DAMAGED, INCLUDING THE PASSENGER SIDE THAT WAS REPAIRED FOR THE RECALL. THE SECOND DEALER FURTHER STATED THAT THE NOISE WAS DUE TO THE WHEEL BEARINGS FAILING TO MOVE FREELY. THE MANUFACTURER WAS INFORMED BY THE DEALER THAT THERE WAS NO NOISE PRESENT. THE MANUFACTURER PROVIDED THE CONTACT WITH CLAIM NUMBER 71558918083. THE APPROXIMATE FAILURE MILEAGE WAS 106,500 AND CURRENT MILEAGE WAS 108,500. UPDATED 03/05/08. *LJ THE CONSUMER STATED INFORMED DEALER MANY TIMES FOR THE TICKING HEARD IN THE VEHICLE SINCE THE VEHICLE AT THE TIME PURCHASE. UPDATED 03/04/08 *TR

NHTSA ODI #10208345

189,000 miles · Oct 31, 2007
Electrical SystemEngine And Engine Cooling

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE DRIVING 65 MPH, THE FAN STOPPED BLOWING WITHOUT WARNING. THE SENSOR RESISTOR WAS REPLACED SEVERAL TIMES. THE DEALER STATED THAT THE HARNESS NEEDED TO BE REPLACED AT THE COST OF $500. THE MANUFACTURER STATED THAT THEY WERE AWARE OF THE FAILURE. THERE WERE NO RECALLS AVAILABLE…

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE DRIVING 65 MPH, THE FAN STOPPED BLOWING WITHOUT WARNING. THE SENSOR RESISTOR WAS REPLACED SEVERAL TIMES. THE DEALER STATED THAT THE HARNESS NEEDED TO BE REPLACED AT THE COST OF $500. THE MANUFACTURER STATED THAT THEY WERE AWARE OF THE FAILURE. THERE WERE NO RECALLS AVAILABLE, THEREFORE, THE MANUFACTURER WAS UNABLE TO PROVIDE ASSISTANCE. THE CURRENT MILEAGE WAS 191,360 AND FAILURE MILEAGE WAS 189,000. UPDATED 12-12-07. *KB UPDATED

NHTSA ODI #10207534

80,000 miles · Oct 17, 2007
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE DRIVING BETWEEN 3-5 MPH, THE VEHICLE REQUIRED INCREASED STOPPING DISTANCE. THE CONTACT WAS AFRAID THAT HE MIGHT STRIKE A PEDESTRIAN BECAUSE THE VEHICLE DOES NOT STOP WHEN THE BRAKE PEDAL IS DEPRESSED. THE FAILURE HAS BEEN OCCURRING FOR TWO MONTHS AND THE ABS WAS DISCONNECTED. …

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TL*THE CONTACT OWNS A 2000 GMC SIERRA 1500. WHILE DRIVING BETWEEN 3-5 MPH, THE VEHICLE REQUIRED INCREASED STOPPING DISTANCE. THE CONTACT WAS AFRAID THAT HE MIGHT STRIKE A PEDESTRIAN BECAUSE THE VEHICLE DOES NOT STOP WHEN THE BRAKE PEDAL IS DEPRESSED. THE FAILURE HAS BEEN OCCURRING FOR TWO MONTHS AND THE ABS WAS DISCONNECTED. THE RECALL REPAIR FOR NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK) WAS PREVIOUSLY PERFORMED ON THE VEHICLE. THE DEALER STATED THAT THE ROTORS NEEDED TO BE REPLACED AT THE COST OF $1,300. THE CURRENT MILEAGE WAS 82,000 AND FAILURE MILEAGE WAS 80,000.

NHTSA ODI #10206022

Official recalls

1

00V222000 · Service Brakes, Hydraulic:power Assist:vacuum

Aug 8, 2000

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH VACUUM POWER, 4-WHEEL DISC BRAKES. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 105, "HYDRAULIC BRAKE SYSTEMS." THESE VEHICLES WERE BUILT WITH A KINKED BRAKE BOOSTER VACUUM SUPPLY HOSE.

Consequence & remedy

Consequence: THESE VEHICLES DO NOT COMPLY WITH REQUIREMENTS OF FMVSS NO. 105.

Remedy: DEALERS WILL RE-ROUTE THE BRAKE BOOSTER VACUUM SUPPLY HOSE.

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.