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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
113,569 miles · Oct 26, 2014
Service Brakes

BRAKE LINE FAILURE.. THIS INCIDENT HAPPENED TODAY, 10/26/2014 *TR

NHTSA ODI #10650136

149,266 miles · Oct 12, 2014
Service Brakes

TRAVELING NORTH ON ROUTE 28 NEAR CHANTILLY, VIRGINIA, A LINE OF CARS IN FRONT OF ME CAME TO AN ABRUPT HALT. I PRESSED MY BRAKE PEDDLE HARD AND WITHIN THREE SECONDS THE BRAKE PEDDLE WAS AT THE FLOOR. I QUICKLY MANEUVERED MY TRUCK TO THE RIGHT AND WAS ABLE UTILIZE THE EMERGENCY BRAKE TO SLOW THE TRUCK TO A STOP. INCREDIBLY, MY …

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TRAVELING NORTH ON ROUTE 28 NEAR CHANTILLY, VIRGINIA, A LINE OF CARS IN FRONT OF ME CAME TO AN ABRUPT HALT. I PRESSED MY BRAKE PEDDLE HARD AND WITHIN THREE SECONDS THE BRAKE PEDDLE WAS AT THE FLOOR. I QUICKLY MANEUVERED MY TRUCK TO THE RIGHT AND WAS ABLE UTILIZE THE EMERGENCY BRAKE TO SLOW THE TRUCK TO A STOP. INCREDIBLY, MY SON AND I WERE NOT INJURED, WE DID NOT HIT THE LINE IF VEHICLES IN FRONT OF US, AND WERE ALL SPARED A POTENTIALLY DEADLY OUTCOME. AFTER COMING TO A STOP, MY SON AND I INSPECTED OUR TRUCK AND BRAKE FLUID WAS LEAKING FROM THE LEFT SUPPLY LINE TO THE REAR BREAK. THE LINE HAD BURST DUE TO HARD BRAKING AND CORROSION OF THE FUEL LINE. WE WERE SAVED FOR SOME REASON, HOWEVER, IF THIS HAD BEEN ON A WEEKDAY DURING COMMUTING HOURS, THE OUTCOME WOULD HAVE BEEN ENTIRELY DIFFERENT. THE NHTSA SHOULD CONTINUE TO HOLD GM ACCOUNTABLE FOR THIS POOR ENGINEERING (FUEL LINES) AND EVENTUAL CATASTROPHIC SITUATION THAT WILL, OR PROBABLY ALREADY HAS, HAPPENED. *TR

NHTSA ODI #10644196

87,510 miles · Sep 23, 2014
Service Brakes

MY 16 YEAR OLD DAUGHTER WAS DRIVING THE TRUCK AT THE TIME OF THE FAILURE. SHE HAS HER TEMPORARY LICENSE AND WAS DRIVING FOR THE THIRD TIME. AFTER DRIVING IN TOWN AND ON SOME RURAL ROADS, SHE STARTED GETTING TOO CLOSE TO OTHER CARS AT STOP LIGHTS AND STOP SIGNS. I BEGAN TELLING HER TO STOP SOONER, SHE SAID SHE WAS TRYING. IT O…

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MY 16 YEAR OLD DAUGHTER WAS DRIVING THE TRUCK AT THE TIME OF THE FAILURE. SHE HAS HER TEMPORARY LICENSE AND WAS DRIVING FOR THE THIRD TIME. AFTER DRIVING IN TOWN AND ON SOME RURAL ROADS, SHE STARTED GETTING TOO CLOSE TO OTHER CARS AT STOP LIGHTS AND STOP SIGNS. I BEGAN TELLING HER TO STOP SOONER, SHE SAID SHE WAS TRYING. IT ONLY GOT WORSE SO WE WENT HOME. SHE ALMOST RAN INTO OUR HOUSE AS TRIED TO STOP IN THE DRIVEWAY. BECAUSE SHE IS A NEW DRIVER, SHE DID NOT REALIZE THE BRAKES WERE GOING OUT. AFTER WE GOT OUT OF THE TRUCK I NOTICED A PUDDLE OF FLUID FORMING UNDER THE DRIVER SIDE. I DETERMINED THAT IT WAS BRAKE FLUID. I RAISED THE HOOD AND HAD HER PRESS ON THE BRAKE PEDAL. BRAKE FLUID STARTED SPRAYING OUT OF A BRAKE LINE NEAR THE FRAME. THE BRAKE LINES FROM THE MASTER CYLINDER TO THE ABS MODULE ARE VERY RUSTY ALONG WITH EVERY OTHER BRAKE LINE. THIS TRUCK MAY BE 12 YEARS OLD AND HAVE 87,000 MILES BUT I HAVE ALWAYS TAKEN VERY GOOD CARE OF IT AND IT STILL LOOKS NEW INSIDE AND OUT. I DO NOT BELIEVE A MAJOR SAFETY COMPONENT LIKE THE BRAKES SHOULD BE FAILING AT THIS TIME. OTHER CRITICAL COMPONENTS HAVE WARNING SYSTEMS TO ALERT YOU TO POSSIBLE FAILURES BUT WHEN THERE IS NO WAY TO TELL IF SOMETHING CRITICAL WILL FAIL I BELIEVE THOSE PARTS SHOULD BE MADE TO LAST. IF THE LIFE EXPECTANCY OF A PART IS LIMITED, THE MANUFACTURER SHOULD RECOMMEND SERVICE AT A REASONABLE INTERVAL. MY DAUGHTER IS NOW SCARED TO DEATH TO DRIVE ANY OF OUR CARS BECAUSE SHE FEELS IT COULD HAPPEN AGAIN. I AM JUST GLAD I WASN'T PULLING MY 20 FOOT BOAT AND HAD TO MAKE A PANIC STOP AT HIGHWAY SPEEDS WHEN THE LINE FAILED. SOMEONE COULD HAVE GOT INJURED OR KILLED I AM CURRENTLY GETTING QUOTES TO HAVE IT REPAIRED. SO FAR I HAVE RECEIVED PRICES RANGING FROM $600-1500. I FEEL GM SHOULD COVER MOST TO ALL OF THESE EXPENSES BECAUSE THEY USED SUB-PAR PARTS TO BUILD A CRITICAL COMPONENT OF THE BRAKE SYSTEM. *TR

NHTSA ODI #10638512

136,115 miles · Aug 13, 2014
Service Brakes

WHILE DRIVING IN TOWN, I DEPRESSED THE BRAKE PEDAL TO SLOW FOR A STOP SIGN TRAVELING UNDER 25 MPH. THE PEDAL PRESSURE FELT FIRM/NORMAL FOR A BRIEF SECOND AND THEN WENT NEARLY TO THE FLOOR AND I WAS BARELY ABLE TO STOP. THE BRAKE LIGHT ON THE DASH DID NOT ILLUMINATE UNTIL APPROXIMATELY THE 10TH TIME I TRIED TO STOP. IF THERE HAD …

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WHILE DRIVING IN TOWN, I DEPRESSED THE BRAKE PEDAL TO SLOW FOR A STOP SIGN TRAVELING UNDER 25 MPH. THE PEDAL PRESSURE FELT FIRM/NORMAL FOR A BRIEF SECOND AND THEN WENT NEARLY TO THE FLOOR AND I WAS BARELY ABLE TO STOP. THE BRAKE LIGHT ON THE DASH DID NOT ILLUMINATE UNTIL APPROXIMATELY THE 10TH TIME I TRIED TO STOP. IF THERE HAD BEEN SOMEONE IN FRONT OF ME OR I WAS TRAVELING IN A HIGHER SPEED ZONE, I MOST CERTAINLY WOULD NOT HAVE STOPPED IN TIME. THE DIAGNOSIS IS THE REAR BRAKE LINE RUSTED THROUGH. I'VE BEEN TOLD BY SEVERAL MECHANICS THAT ALL THE BRAKE LINES WILL HAVE TO BE REPLACED AS THEY ARE ALL SO RUSTED NO ONE LINE CAN BE REPLACED WITHOUT DAMAGING THE REST OF THE LINES BECAUSE OF THEIR CLOSE PROXIMITY TO EACH OTHER. I CAN'T FIND ANYONE THAT WILL TAKE ON THE JOB. *TR

NHTSA ODI #10622157

67,000 miles · Jun 16, 2014
Service Brakes

2002 GMC SIERRA 1500-BRAKES WENT OUT SUDDENLY AS I WAS TURNING INTO A BUSY INTERSECTION. PEDAL WENT RIGHT TO THE FLOOR-NO BRAKES. THERE WAS NO SEPARATE SYSTEM CIRCUIT THAT BROUGHT THE TRUCK TO A HALT, THERE WERE NO DASHBOARD WARNING LIGHTS ENGAGED, AND NO BRAKE FLUID LEAK BEFORE THAT WOULD ALERT ME TO A FAILURE. HAD TO USE EM…

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2002 GMC SIERRA 1500-BRAKES WENT OUT SUDDENLY AS I WAS TURNING INTO A BUSY INTERSECTION. PEDAL WENT RIGHT TO THE FLOOR-NO BRAKES. THERE WAS NO SEPARATE SYSTEM CIRCUIT THAT BROUGHT THE TRUCK TO A HALT, THERE WERE NO DASHBOARD WARNING LIGHTS ENGAGED, AND NO BRAKE FLUID LEAK BEFORE THAT WOULD ALERT ME TO A FAILURE. HAD TO USE EMERGENCY BRAKE TO PULL OVER TO A SAFE SPOT- VEHICLE NEEDED TO BE TOWED TO REPAIR FACILITY. REPAIR FACILITY STATED THIS IS A COMMON PROBLEM WITH THESE VEHICLES- BUT THERE WAS NO RECALL OR SAFETY BULLETINS ISSUED THAT THEY COULD LOCATE. *TR

NHTSA ODI #10598688

60,000 miles · May 14, 2014
Service Brakes

WAS APPROACHING AN INTERSECTION AND LIGHT TURNED YELLOW, APPLIED BRAKE AND PEDDLE WENT RIGHT TO THE FLOOR, COASTED THROUGH RED LIGHT AND IMMEDIATELY PARKED VEHICLE. TOWED TO LOCAL GARAGE AND FRONT BRAKE LINE IN THE MIDDLE (UNDER ROCK GUARD) SEVERELY RUSTED AND FAILED. *TR

NHTSA ODI #10588362

252,000 miles · Apr 6, 2014
Electrical SystemExterior Lighting

DAYTIME RUNNING LIGHTS CONSTANTLY BURNING OUT. BULB HOLDER GETS MELTED. 90% OF CHEVROLET AND GMC TRUCK AND BLAZER HAVE THIS PROBLEM. *TR

NHTSA ODI #10577729

75,000 miles · Mar 31, 2014
Service Brakes

TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. THE CONTACT STATED THAT THE BRAKES AND ABS WARNING LAMP ILLUMINATED SPORADICALLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE ABS CONTROL MODULE WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT…

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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. THE CONTACT STATED THAT THE BRAKES AND ABS WARNING LAMP ILLUMINATED SPORADICALLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE ABS CONTROL MODULE WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 75,000 AND THE CURRENT MILEAGE WAS 130,000.

NHTSA ODI #10575986

119,850 miles · Mar 17, 2014
Service Brakes

TODAY I WAS ON FREEWAY IN BUMPER TO BUMPER TRAFFIC AND WHEN I WENT TO STOP MY BRAKES FLUTTERED AND MADE A WEIRD NOISE AND I PUSHED WITH ALL MY STRENGTH ON BRAKE PEDAL TO STOP AND WASN'T ABLE TO STOP LIKE 25 OTHER CARS IN MY LIFE WOULD HAVE STOPPED AND REAR ENDED A MINIVAN, THERE WAS MINIMAL DAMAGE DONE TO HIS VAN, MY BUMPER HAS …

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TODAY I WAS ON FREEWAY IN BUMPER TO BUMPER TRAFFIC AND WHEN I WENT TO STOP MY BRAKES FLUTTERED AND MADE A WEIRD NOISE AND I PUSHED WITH ALL MY STRENGTH ON BRAKE PEDAL TO STOP AND WASN'T ABLE TO STOP LIKE 25 OTHER CARS IN MY LIFE WOULD HAVE STOPPED AND REAR ENDED A MINIVAN, THERE WAS MINIMAL DAMAGE DONE TO HIS VAN, MY BUMPER HAS A LITTLE DENT AND HIS VAN HAS A SMALL SCRATCH, THIS I THE THIRD TIME IN LAST WEEK THIS HAS HAPPENED WITH THE FIRST 2 ME THINKING IT WAS NOTHING BECAUSE IT ONLY HAPPENS MAYBE 1 OUT OF EVERY 300 BRAKE APPLICATIONS, I CAME HOME TODAY AND DID SOME RESEARCH ON GOOGLE AND FOUND OUT THERE ARE 1000S OF TRUCKS LIKE MINE WITH THE ABS ACTIVATING AT LOW SPEEDS CAUSING CRASHES, I CALLED GM AND ASKED A FEW QUESTIONS AND ALL THEY SAID WAS MY VIN DOES NOT QUALIFY FOR ABS OR BRAKE RECALL GM HAD ON THESE YR TRUCKS. IF MY TRUCK IS DOING THE SAME THING AS THESE TRUCKS THAT QUALIFIED FOR RECALL WHY WONT THEY FIX MIND BECAUSE OBVIOUSLY ITS SAME PROBLEM, THE GM GUY I SPOKE WITH PLAYED DUMB AND ACT LIKE HE HAS NEVER HEARD OF SOMEONE HAVING MY ISSUE, HE IS LYING BECAUSE THERE IS TONS OF PEOPLE ON THESE GM FORUMS THAT HAVE CALLED GM WITH SAME PROBLEM AS MINE WITH SAME RESULTS, PLEASE HELP ME OR LET ME KNOW WHAT RECOURSES I HAVE TO HAVE GM FIX THIS ABS ISSUES BEFORE SOMEONE GETS KILLED, THANK YOU *TR

NHTSA ODI #10572983

208,010 miles · Nov 19, 2013
Service Brakes

WHILE TRYING TO PARK MY VEHICLE IN A PARKING LOT THE BRAKES ANTI-LOCK SYSTEM ENGAGED. I WAS PULLING FORWARD TO BACK INTO A STALL. THERE WAS A PERSON WALKING DOWN THE PARKING LOT SOME DISTANCE IN FRONT OF ME. AS I APPLIED THE BRAKES TO STOP GOING FORWARD AND START TO BACK THE ABS SYSTEM ENGAGED AND I COULD NOT STOP. THE GENTL…

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WHILE TRYING TO PARK MY VEHICLE IN A PARKING LOT THE BRAKES ANTI-LOCK SYSTEM ENGAGED. I WAS PULLING FORWARD TO BACK INTO A STALL. THERE WAS A PERSON WALKING DOWN THE PARKING LOT SOME DISTANCE IN FRONT OF ME. AS I APPLIED THE BRAKES TO STOP GOING FORWARD AND START TO BACK THE ABS SYSTEM ENGAGED AND I COULD NOT STOP. THE GENTLEMAN IN FRONT OF ME THOUGHT I WAS GOING TO HIT HIM, AND QUITE FRANKLY I THOUGHT THAT I WAS ALSO. THE PAVEMENT WAS DRY, THE TEMPERATURE WAS ABOUT 62 DEGREES. THIS IS A DANGEROUS SITUATION. THERE IS NOTHING WRONG WITH MY BRAKES AT HIGHER SPEEDS. I HAVE READ SOME THINGS ABOUT ISSUES WITH THE ABS SPEED SENSORS ON THE WHEELS. IF THIS IS THE CASE GM NEEDS TO RECALL ALL OF THESE VEHICLES BEFORE THERE ARE SERIOUS ACCIDENTS OR DEATHS!! *TR

NHTSA ODI #10552919

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.