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2002 GMC Sierra 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2002 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

153 reports with mileage · 13 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. Review the 64 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

17 crash reports0 fire reports5 injury reports

What owners actually said

166 reports
10,000 miles · Apr 4, 2011
Steering

TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 5 MPH THE CONTACT HEARD A CLANKING NOISE AND FELT A VIBRATION IN THE STEERING COLUMN. THE CONTACT STATED THAT THE VIBRATION AND THE SOUND WOULD OCCUR CONSTANTLY WHEN DRIVING AT LOW SPEEDS AND BECAME MORE NOTICEABLE WHEN DRIVING AT HIGHWAY SPEEDS. THE MANUFA…

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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 5 MPH THE CONTACT HEARD A CLANKING NOISE AND FELT A VIBRATION IN THE STEERING COLUMN. THE CONTACT STATED THAT THE VIBRATION AND THE SOUND WOULD OCCUR CONSTANTLY WHEN DRIVING AT LOW SPEEDS AND BECAME MORE NOTICEABLE WHEN DRIVING AT HIGHWAY SPEEDS. THE MANUFACTURER AND DEALER WERE CONTACTED AND STATED THAT THERE WAS NOT A RECALL FOR THE FAILURE AND THEY COULD NOT PROVIDE ANY FURTHER ASSISTANCE. THE FAILURE WAS NEITHER DIAGNOSED NOR REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 10,000.

NHTSA ODI #10394129

111,000 miles · Mar 3, 2011
Service Brakes, Hydraulic

2002 GMC SIERRA 1500 BRAKELINE FAILURE DUE TO SEVERE CORROSION OF HARD LINES UNDER DRIVERS SIDE . I WAS BACKING OUT OF A PARKING LOT WHEN BRAKE PEDAL WENT TO FLOOR AND HAD SEVERE LOSS OF BRAKING POWER. UNDER FURTHER INVESTIGATION ONE LINE WAS RUSTED THROUGH AND OTHERS SEVERELY CORRODED. *TR

NHTSA ODI #10386343

41,000 miles · Oct 24, 2010
Latches/locks/linkages

NEITHER THE LEFT NOR RIGHT CARGO GATE LATCH BOLTS FAILED TO ENGAGE WHEN THE GATE WAS IN THE FULL UPRIGHT POSITION AND WHERE IT SHOULD HAVE LATCHED. THIS ALLOWED THE GATE TO FALL OPEN WHEN ACCELERATING. LUBRICATION WITH A SILICONE WAX SPRAY DID NOT SEEM TO FREE THE BOLTS. REPEATED LIFTING OF THE CENTER HANDLE ON THE GATE FOLLO…

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NEITHER THE LEFT NOR RIGHT CARGO GATE LATCH BOLTS FAILED TO ENGAGE WHEN THE GATE WAS IN THE FULL UPRIGHT POSITION AND WHERE IT SHOULD HAVE LATCHED. THIS ALLOWED THE GATE TO FALL OPEN WHEN ACCELERATING. LUBRICATION WITH A SILICONE WAX SPRAY DID NOT SEEM TO FREE THE BOLTS. REPEATED LIFTING OF THE CENTER HANDLE ON THE GATE FOLLOWED BY QUICK RELEASE DID NOT RESULT IN THE LATCH BOLTS ENGAGING AND THE HANDLE SUBSEQUENTLY BROKE WITH MINIMAL EFFORT. ONCE THE HANDLE WAS REMOVED, CONTACT POINTS ON THE REMAINING HANDLE HARDWARE AND LATCH BOLTS THEN ALLOWED FREE MOVEMENT OF THE LATCH BOLTS. THE HANDLE HAS NOT BEEN REPLACED BUT THE LATCHES ON THE GATE ARE EASILY OPENED BY PULLING BOTH CABLES TOWARDS THE MIDDLE. CONTACT SURFACES SHOW LITTLE OR NO CORROSION OR DEBRIS. THE GATE WAS ALWAYS TESTED FOR CLOSURE AND IT IS SUSPECTED THAT THE LATCH BOLTS WERE ONLY PARTIALLY CLOSING AT THE TIME OF THE INCIDENT. THE GATE HAD BEEN FOUND OPEN AND ITEMS LOST IN THE PAST BUT IT HAD BEEN THOUGHT THE GATE HAD JUST BEEN LEFT OPEN RATHER HAVING BEEN CLOSED FOLLOWED BY FALLING OPEN AFTER LATCH FAILURE. *TR

NHTSA ODI #10362160

39,200 miles · Oct 24, 2010
Service Brakes, HydraulicCrash

* 3-MAY-06: VEHICLE TAKEN IN TO DEALER AT 29 K MI FOR RECALL TO INSPECT BOTH FRONT WHEEL ABS SPEED SENSORS. TOTAL INSPECTION TIME APPROX 10 MIN, NO REPAIRS MADE. ONE POSSIBLE BRAKING INCIDENT OCCURRED 3.5 YRS EARLIER. * 24-SEP-08, 38 K MI: FRONT BRAKE PADS REPLACED, NORMAL WEAR PATTERNS. BOTH REAR INNER DISK BRAKE PADS WORN T…

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* 3-MAY-06: VEHICLE TAKEN IN TO DEALER AT 29 K MI FOR RECALL TO INSPECT BOTH FRONT WHEEL ABS SPEED SENSORS. TOTAL INSPECTION TIME APPROX 10 MIN, NO REPAIRS MADE. ONE POSSIBLE BRAKING INCIDENT OCCURRED 3.5 YRS EARLIER. * 24-SEP-08, 38 K MI: FRONT BRAKE PADS REPLACED, NORMAL WEAR PATTERNS. BOTH REAR INNER DISK BRAKE PADS WORN TO METAL AND JAMMED, BOTH REAR OUTER PADS LITTLE WEAR, BOTH REAR DISKS HEAVILY SCORED AND REPLACED. VEHICLE HAS BEEN USED LITTLE FOR TOWING. REAR CALIPER NUTS REQUIRED AN ESTIMATED 350+ LBS TORQUE TO LOOSEN. * 31-JUL-09, 39 K MI: NEAR ACCIDENT ON HWY AT LOW SPEED AFTER VERY LONG STOP AT SLOW SPEED, THEN 3 MI LATER CRASH INTO CONCRETE ABUTMENT OCCURRED WHILE PARKING AT IDLE SPEED. LOUD GROANING HEARD FR ENGINE COMPARTMENT. SCAN TOOL INFO BY GM DEALER INDICATED BOTH FRONT ABS SPEED SENSORS WERE NOT SENDING A SIGNAL. BODY REPAIR TO FRONT $800 USING USED PARTS AND EXCLUDING ABS SENSOR REPLACEMENT. * NEAR TOTAL, REPRODUCIBLE BRAKE LOSS OCCURS BETWEEN APPROX 3 AND 7 MPH. PRESSING HARDER ON THE BRAKE PEDAL SEEMS TO LENGTHEN THE STOPPING DISTANCE. HEADLAMPS DIM WHEN TRYING TO STOP AT SLOW SPEED WHILE THE ABS PUMP IS GROANING. * PROBLEM HAS YET TO BE CORRECTED. *TR

NHTSA ODI #10362149

86,000 miles · Oct 16, 2010
Service Brakes, Hydraulic

I HAVE HAD TO REPLACE FRONT WHEEL ABS SPEED SENSORS AND RELATED PARTS TWICE ON MY 2002 GMC SIERRA 1500. THE FIRST TIME WAS IN 2006, THE SECOND JUST THIS WEEK. THE TRUCK HAS JUST OVER 86000 MILES. THE ABS ENGAGED BELOW 10 MPH. I ALMOST HIT OTHER CARS OR OBJECTS SEVERAL TIMES WHEN THIS OCCURRED. SPEED SENSORS WERE CORRODED. H…

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I HAVE HAD TO REPLACE FRONT WHEEL ABS SPEED SENSORS AND RELATED PARTS TWICE ON MY 2002 GMC SIERRA 1500. THE FIRST TIME WAS IN 2006, THE SECOND JUST THIS WEEK. THE TRUCK HAS JUST OVER 86000 MILES. THE ABS ENGAGED BELOW 10 MPH. I ALMOST HIT OTHER CARS OR OBJECTS SEVERAL TIMES WHEN THIS OCCURRED. SPEED SENSORS WERE CORRODED. HUB BEARINGS WERE ALSO REPLACED DUE TO SPEED RING FAULTS. IT HAS COST ME OVER $1500 BOTH TIMES TO HAVE THIS WORK DONE TO MAKE MY TRUCK SAFE TO DRIVE. MY REQUEST FOR WARRANTY COVERAGE WAS DENIED. *TR

NHTSA ODI #10360733

27,000 miles · Sep 30, 2010
Service Brakes, Hydraulic

2002 GMC SIERRA BRAKE LINE BLEW, FOLLOW UP SHOWS MASSIVE RUST INCLUDING PARTS OF FRAME - SO BAD THAT BRAKE BLEEDERS ON ROTORS ARE A PILE OF RUST, CANNOT BE OPENED. ALL BRAKE LINE FITTINGS RUSTED BEYOND REMOVAL WITH A WRENCH, THEREFORE REPAIR SHOP COULD NOT PROVIDE A REMEDY. 27,000 MILES. *TR

NHTSA ODI #10358419

60,600 miles · Aug 27, 2010
Service Brakes, Hydraulic

ABS SENSOR ACTIVATION AT SLOW SPEED. THE TRUCK DOES NOT STOP NORMALLY WHEN BRAKES APPLIED AT SLOW SPEED. THIS IS A KNOWN DEFECT BY GM AND NHTSA. RECALLS HAVE BEEN DONE BUT NOT IN MY STATE. THIS IS A SAFETY ISSUE AND THE RECALL NEEDS TO BE EXPANDED TO ALL AFFECTED VEHICLES. DESPITE GM SAYING THAT THIS ISSUE IS LIMITED TO 20 …

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ABS SENSOR ACTIVATION AT SLOW SPEED. THE TRUCK DOES NOT STOP NORMALLY WHEN BRAKES APPLIED AT SLOW SPEED. THIS IS A KNOWN DEFECT BY GM AND NHTSA. RECALLS HAVE BEEN DONE BUT NOT IN MY STATE. THIS IS A SAFETY ISSUE AND THE RECALL NEEDS TO BE EXPANDED TO ALL AFFECTED VEHICLES. DESPITE GM SAYING THAT THIS ISSUE IS LIMITED TO 20 STATES AND CANADA, THIS IS NOT TRUE. A SEARCH OF THE INTERNET HAS SHOWN THIS DEFECT IS NATIONWIDE. ABS WAS ADDED TO VEHICLES TO HELP PREVENT CRASHES. THIS DEFECT CAUSES THEM. *TR

NHTSA ODI #10352249

51,725 miles · Aug 18, 2010
Service Brakes, Hydraulic

MOMENTS AFTER LEAVING THE DRIVEWAY AT OUR HOME, APPROACHING AN INTERSECTION AT ABOUT 25 MPH, I APPLIED THE BRAKES ON MY 2002 GMC SIERRA, AND THE PEDAL WENT TO THE FLOOR. I COULDN'T STOP THE VEHICLE BEFORE GOING THROUGH THE INTERSECTION. FORTUNATELY NO OTHER VEHICLES WERE IN THE INTERSECTION AND NO ACCIDENT OCCURRED. AFTER RETURN…

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MOMENTS AFTER LEAVING THE DRIVEWAY AT OUR HOME, APPROACHING AN INTERSECTION AT ABOUT 25 MPH, I APPLIED THE BRAKES ON MY 2002 GMC SIERRA, AND THE PEDAL WENT TO THE FLOOR. I COULDN'T STOP THE VEHICLE BEFORE GOING THROUGH THE INTERSECTION. FORTUNATELY NO OTHER VEHICLES WERE IN THE INTERSECTION AND NO ACCIDENT OCCURRED. AFTER RETURNING THE VEHICLE TO THE DRIVEWAY I DISCOVERED BRAKE FLUID UNDER THE TRUCK BED AND DRIPPING FROM THE FRAME.I COULD NOT SEE THE SOURCE OF THE LEAK AS IT WAS WELL HIDDEN EITHER IN OR ABOVE THE TRUCK FRAME. I HAD THE VEHICLE BROUGHT BY FLAT BED TRUCK TO A LOCAL AUTO REPAIR GARAGE. THE MECHANICS FOUND THE BRAKE LINES TO BE HEAVILY RUSTED AND ONE HAD RUSTED THROUGH AND FAILED, CAUSING THE EARLIER BRAKE FAILURE. BECAUSE THE BRAKE LINE RUSTING WAS SO HEAVY, ALL THE BRAKE LINES WERE REPLACED. ALSO,, THE TWO FRONT BRAKE CALIPERS WERE REPLACED BECAUSE OF HEAVY RUST. THE RUSTED BRAKE LINES ARE AVAILABLE. THE CONSEQUENCES OF THIS WAS A REPAIR BILL OF $1149.78, AND HAVING MY TRUCK IN THE SHOP FOR SEVERAL DAYS. LUCKILY, NOBODY WAS HURT. IF THIS HAD OCCURRED LATER IN THE DAY IN THE SAME LOCATION IT MAY NOT HAVE TURNED OUT THE SAME. THIS IS THE THIRD MAJOR BRAKE REPAIR DONE ON THIS TRUCK. I AM THE ORIGINAL OWNER. I HAVE HAD TO HAVE THE BRAKE PADS AND ROTORS REPLACED TWICE. BOTH TIMES I WAS TOLD THE ROTORS WERE SO BADLY RUSTED THEY NEEDED TO BE REPLACED. DURING THE FIRST SIX YEARS OF OWNING THE VEHICLE IT WAS KEPT IN A GARAGE. IT HAS ALWAYS BEEN WELL TAKEN CARE OF. WITH THIS REPAIR, I HAVE SPENT OVER $3000. TO KEEP BRAKES FUNCTIONING ON THIS TRUCK. *TR

NHTSA ODI #10350435

94,000 miles · Aug 2, 2010
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 15 MPH AND DEPRESSING THE BRAKES, THERE WAS A LOSS OF 80-90 PERCENT BRAKING POWER. THE ABS SYSTEM INDEPENDENTLY ENGAGED AND WOULD NOT DISENGAGE. THE VEHICLE WAS CAREFULLY DRIVEN HOME. THE ROTORS AND BRAKE PADS WERE REPLACED AND THE WHEEL…

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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 15 MPH AND DEPRESSING THE BRAKES, THERE WAS A LOSS OF 80-90 PERCENT BRAKING POWER. THE ABS SYSTEM INDEPENDENTLY ENGAGED AND WOULD NOT DISENGAGE. THE VEHICLE WAS CAREFULLY DRIVEN HOME. THE ROTORS AND BRAKE PADS WERE REPLACED AND THE WHEEL CYLINDERS WERE BLED BY THE CONTACT. IN ADDITION, THE CONTACT DISCONNECTED THE ABS FUSE AND THE FAILURE DID NOT RECUR. THE DEALER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 94,000.

NHTSA ODI #10346891

47,177 miles · Jul 25, 2010
Service Brakes, Hydraulic

BRAKE LINE FAILURE ON MY 2002 GMC SIERRA 1500 1/2 TON 4WD PICKUP. BRAKE LINE FAILED BECAUSE OF RUST. MY TRUCK HAS ONLY 47000 MILES ON IT AND WELL CARED FOR. WHEN IT HAPPENED I WAS TURNING INTO A PARKING LOT AND THE BRAKE PEDAL WENT TO THE FLOOR ALMOST HIT STREET SIGN. I HAD TO GET THE TRUCK TOWED. THE GARAGE HAD TO REPLACE ALL …

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BRAKE LINE FAILURE ON MY 2002 GMC SIERRA 1500 1/2 TON 4WD PICKUP. BRAKE LINE FAILED BECAUSE OF RUST. MY TRUCK HAS ONLY 47000 MILES ON IT AND WELL CARED FOR. WHEN IT HAPPENED I WAS TURNING INTO A PARKING LOT AND THE BRAKE PEDAL WENT TO THE FLOOR ALMOST HIT STREET SIGN. I HAD TO GET THE TRUCK TOWED. THE GARAGE HAD TO REPLACE ALL BRAKE LINES,FRONT HOSES AND CALIPERS BECAUSE OF RUST.THE TOTAL BILL CAME TO $1030 INCLUDING THE TOW. THE GARAGE TOLD ME THEY HAVE TO REPLACE THESE BRAKE LINE ON THESE EARLY 2000S GM TRUCK ALL THE TIME. THERE HAS TO BE A RECALL ON THESE TRUCK BECAUSE YOU HAVE NO WARNING WHEN THIS HAPPENS. VERY SCARY WHEN IT DOES. *TR

NHTSA ODI #10345149

Official recalls

1

04V562000 · Equipment Adaptive/mobility

Nov 26, 2004

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.