NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes complaints
64 reportsClear category filter87,510 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…
Read full complaint
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 …
Read full complaint
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…
Read full complaint
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
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…
Read full complaint
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 …
Read full complaint
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…
Read full complaint
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
79,059 miles · Oct 31, 2013
Service Brakes
TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. THE CONTACT SHIFTED INTO DRIVE AND APPLIED PRESSURE TO THE BRAKES HOWEVER, THE BRAKE PEDAL ABNORMALLY TRAVELED TO THE FLOORBOARD AND THE VEHICLE DID NOT RESPOND TO BRAKING ATTEMPTS. THE CONTACT MENTIONED THAT THE EMERGENCY BRAKE WAS UTILIZED IN ORDER FOR THE VEHICLE TO STOP. THE VEHIC…
Read full complaint
TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. THE CONTACT SHIFTED INTO DRIVE AND APPLIED PRESSURE TO THE BRAKES HOWEVER, THE BRAKE PEDAL ABNORMALLY TRAVELED TO THE FLOORBOARD AND THE VEHICLE DID NOT RESPOND TO BRAKING ATTEMPTS. THE CONTACT MENTIONED THAT THE EMERGENCY BRAKE WAS UTILIZED IN ORDER FOR THE VEHICLE TO STOP. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE BRAKE LINES NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE AND CURRENT MILEAGE WAS 79,059.
NHTSA ODI #10550400
47,960 miles · Sep 9, 2013
Service Brakes
THE BRAKES ON THIS TRUCK COMPLETELY FAILED WITHOUT ANY WARNING. COULD NOT STOP THE VEHICLE EXCEPT FOR THE EMERGENCY BRAKE. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. NO WARNING LIGHTS, OR ANY OTHER INDICATIONS OF BRAKE FAILURE UNTIL THERE WERE SUDDENLY ZERO BRAKES. I WAS VERY LUCKY THAT THIS DIDN'T HAPPEN SOMEWHERE ELSE,…
Read full complaint
THE BRAKES ON THIS TRUCK COMPLETELY FAILED WITHOUT ANY WARNING. COULD NOT STOP THE VEHICLE EXCEPT FOR THE EMERGENCY BRAKE. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. NO WARNING LIGHTS, OR ANY OTHER INDICATIONS OF BRAKE FAILURE UNTIL THERE WERE SUDDENLY ZERO BRAKES. I WAS VERY LUCKY THAT THIS DIDN'T HAPPEN SOMEWHERE ELSE, WITH MY ONE-YEAR OLD DAUGHTER IN THE TRUCK. I SEE THAT THE BRAKE FLUID IS SQUIRTING OUT OF ONE OF THE FOUR STEEL LINES JUST UNDER THE MASTER CYLINDER WHEN THE BRAKE PEDAL IS PRESSED. UPON INSPECTION I ALSO SEE THAT ALL THE LINES LOOK TO BE CORRODED. I INTEND TO REPLACE ALL THE BRAKE LINES ON THIS VEHICLE NOW DUE TO THE CORROSION SEEN, AS I DO NOT BELIEVE IT WOULD BE SAFE TO DRIVE OTHERWISE. *TR
NHTSA ODI #10542717
59,000 miles · Jul 11, 2013
Service Brakes
THERE WAS ALMOST A CRASH! A CAR, FROM THE RIGHT SIDE, STARTED TO PULL OUT IN FRONT OF ME AT AN INTERSECTION. I HIT THE BRAKES HARD AND FELT WHAT I THOUGHT WAS THE ABS ACTIVATING. FORTUNATELY THE CAR STOPPED AND I WAS ABLE TO SWERVE AROUND THE CAR AND I AVOIDED A COLLISION. IT WAS CLOSE! A 1/4 MILE DOWN THE ROAD I APPLIED THE BR…
Read full complaint
THERE WAS ALMOST A CRASH! A CAR, FROM THE RIGHT SIDE, STARTED TO PULL OUT IN FRONT OF ME AT AN INTERSECTION. I HIT THE BRAKES HARD AND FELT WHAT I THOUGHT WAS THE ABS ACTIVATING. FORTUNATELY THE CAR STOPPED AND I WAS ABLE TO SWERVE AROUND THE CAR AND I AVOIDED A COLLISION. IT WAS CLOSE! A 1/4 MILE DOWN THE ROAD I APPLIED THE BRAKES TO TURN LEFT INTO MY DESTINATION AND THE BRAKES WERE NOT EFFECTIVE AND THE PEDAL WENT TO THE FLOOR. WE INSPECTED THE TRUCK AND FOUND BRAKE FLUID LEAKING IN THE VICINITY OF THE REAR AXLE. WE LOOKED UNDERNEATH AND FOUND THE MAIN METAL BRAKE LINE THAT GOES OVER THE GAS TANK TO THE FRONT OF THE VEHICLE HAS RUPTURED. WE CALLED THE LOCAL GMC DEALER AND FOUND NO RECALLS OR SERVICE CAMPAIGNS FOR THIS PROBLEM. THE TRUCK IS NOW AT A LOCAL INDEPENDENT SHOP FOR REPAIRS. *TR
NHTSA ODI #10524453
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.