Engine And Engine CoolingFuel System, GasolinePower Train
HAD TO DISCONNECT THE ANTI LOCK BRAKE SO I COULD STOP. WHEN DRIVING SLOW AND PRESSING ON THE BRAKE PEDAL, THE PEDAL IS SOLID AND DOES NOT MOVE. VERY DANGEROUS. CANNOT STOP THE VEHICLE AT ALL. BRAKE LINES ROTTED OUT. HAS TO REPLACE. TRANSMISSION LINES ROTTED OUT. HAD TO REPLACE. TRANSMISSION OIL COOLER ROTTED OUT. HAD TO RE…
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HAD TO DISCONNECT THE ANTI LOCK BRAKE SO I COULD STOP. WHEN DRIVING SLOW AND PRESSING ON THE BRAKE PEDAL, THE PEDAL IS SOLID AND DOES NOT MOVE. VERY DANGEROUS. CANNOT STOP THE VEHICLE AT ALL. BRAKE LINES ROTTED OUT. HAS TO REPLACE. TRANSMISSION LINES ROTTED OUT. HAD TO REPLACE. TRANSMISSION OIL COOLER ROTTED OUT. HAD TO REPLACE. FUEL LINES ARE ROTTING OUT. NOT REPLACED YET. DRIVE SHAFT IS QUESTIONABLE. SEVERELY RUSTED. REAR BACKING PLATES ROTTED OFF, NO MORE PARKING - EMERGENCY BRAKE. CHECK ENGINE LIGHT WILL NOT GO OUT. REPLACED CATALYTIC CONVERTER MANY TIMES WITH NO RESULTS. ENGINE LEAKS OIL. LOOSING COOLANT, POSSIBLE BURNING IT. FUEL MILEAGE IS TERRIBLE. BODY RUSTED OUT. ROCKER PANELS ARE GONE. CAB CORNERS ARE GONE. REAR BUMPER IS GONE. PUTTING THE SPARE TIRE UNDERNEATH IS A STUPID IDEA. THE COST TO REPLACE THESE PARTS IS TOO EXPENSIVE. FOR WHAT THESE VEHICLES COST NEW ALL OF THESE PARTS SHOULD BE MADE OUT OF STAINLESS STEEL OR USE PLASTIC FOR THE FUEL LINES AND BRAKE LINES. THE CHECK ENGINE LIGHT BEING RELATED TO A POLLUTION CONTROL DEVICE SHOULD BE ENTIRE COVERED BY THE MANUFACTURER. THESE PARTS AND WHATEVER IS UPSTREAM THAT CAUSED THE POLLUTION CONTROL PART TO FAIL SHOULD BE COVERED BY THE MANUFACTURER IN PERPETUITY. ANTI LOCK BRAKES SHOULD BE REMOVED FROM ALL CARS. THE PARTS ARE TOO EXPENSIVE TO REPLACE. THE COST SHOULD NOT BE ON THE SHOULDERS OF THE CAR OWNER. *TR
NHTSA ODI #10928822
195,642 miles · Nov 12, 2016
Service Brakes
REAR BRAKES LOCK UP UNDER LIGHT BRAKING OR NORMAL BRAKING, RUSTING BRAKE LINES, REAR EMERGENCY BRAKES BANGING AND CHATTERING. BACK PLATES RUSTED OFF
NHTSA ODI #10925593
240,000 miles · Oct 16, 2016
Service BrakesCrash
I WAS DRIVING AT 40 MPH AND HAD TO STOP FAST AND BRAKE LINE BROKE FROM RUST COULD NOT STOP AT ALL HAD NO WARNING ENDED UP IN A FIELD COULD HAVE BEEN REALLY BAD AND HAD MY KIDS WITH ME. *TR
NHTSA ODI #10916331
165,000 miles · Oct 8, 2016
Service Brakes
I OWN A 2000 CHEVROLET SILVERADO 4WD, YESTERDAY AFTERNOON I PULLED INTO MY DRIVEWAY AND WHEN I HIT THE BRAKES I HEARD A "POP" NOISE AND MY BRAKE PEDAL WENT TO THE FLOOR AND A CLOUD OF SMOKE CAME FROM UNDER THE HOOD . I GOT THE TRUCK STOPPED BY PUTTING THE TRANSMISSION IN PARK. I INSPECTED ALL 4 WHEELS LOOKING FOR A LEAK AND FOU…
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I OWN A 2000 CHEVROLET SILVERADO 4WD, YESTERDAY AFTERNOON I PULLED INTO MY DRIVEWAY AND WHEN I HIT THE BRAKES I HEARD A "POP" NOISE AND MY BRAKE PEDAL WENT TO THE FLOOR AND A CLOUD OF SMOKE CAME FROM UNDER THE HOOD . I GOT THE TRUCK STOPPED BY PUTTING THE TRANSMISSION IN PARK. I INSPECTED ALL 4 WHEELS LOOKING FOR A LEAK AND FOUND NONE , THEN I SAW A PUDDLE ON THE GROUND UNDER THE DRIVERS DOOR , UPON INSPECTION I SAW THE BRAKE LINES HEAVILY RUSTED AND FLUID LEAKING FROM THEM . I PUSHED THE BRAKE PEDAL WITH MY HAND AND SAW THE FLUID SQUIRT OUT AND SPLASH ON THE EXHAUST PIPE . I HAVE READ ON - LINE THAT THIS IS HAPPENING TO MANY MANY CHEVY TRUCK OWNERS ACROSS THE NATION . I DO NOT USE MY TRUCK IN MUD OR ON THE BEACH AND I DO NOT LIVE IN A STATE WITH HARSH WINTER SALT ISSUES . I LOOKED AT THE BRAKE LINES ON MY TRUCK AND THEY ARE RUSTED IN PLACES NOT THE WHOLE LENGTH AND THIS TO ME LOOKS LIKE A MATERIAL PROBLEM FROM THE MANUFACTURER . I HAD NO WARNING OF THIS PROBLEM , MY BAKE PEDAL WAS FINE RIGHT UP TO THE SECOND THAT LINE BURST AND THE BRAKE PEDAL WENT TO THE FLOOR . I FEEL THIS IS AN ISSUE THAT COULD CAUSE A DEADLY ACCIDENT AND AS SUCH SHOULD BE ADDRESSED AND REPAIRED BY G.M. AT NO COST TO THE OWNERS BEFORE SOMEONE GETS KILLED . I WAS LUCKY I WAS IN MY DRIVEWAY AND NOT ON THE HIGHWAY WHEN THIS TOOK PLACE AND MOVING AT A SLOW SPEED.
NHTSA ODI #10914892
137,000 miles · Oct 6, 2016
Service Brakes
THE FIRST BRAKE LINE FAILURE WAS IN JULY OF 2012 AND WAS FROM THE ABS TO THE REAR BRAKE HOSE, THIS ONE LINE COST $337.05 TO REPLACE. IT FAILED ON THE HIGHWAY AND I ALMOST RAN INTO THE CAR IN FRONT OF ME. THE 2ND LINE FAILED YESTERDAY 10/5/16 WHILE DRIVING ON A SECONDARY ROAD AND AGAIN WAS LOCATED ON THE ABS UNIT. IT HAS NOT BEEN…
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THE FIRST BRAKE LINE FAILURE WAS IN JULY OF 2012 AND WAS FROM THE ABS TO THE REAR BRAKE HOSE, THIS ONE LINE COST $337.05 TO REPLACE. IT FAILED ON THE HIGHWAY AND I ALMOST RAN INTO THE CAR IN FRONT OF ME. THE 2ND LINE FAILED YESTERDAY 10/5/16 WHILE DRIVING ON A SECONDARY ROAD AND AGAIN WAS LOCATED ON THE ABS UNIT. IT HAS NOT BEEN REPAIRED YET. I BOUGHT A STAINLESS STEEL BRAKE KIT FROM DORMAN AND PLAN TO REPLACE ALL THE BRAKE LINES ON THE TRUCK SO AS WE DON'T GET KILLED OR HARM ANYONE WE RUN INTO ON THE NEXT FAILURE AS THE REMAINING LINES ARE VERY, VERY RUSTY. FUTURE FAILURE OF THE REST OF THE LINES IS BOTH IMMINENT AND EXPECTED. NHTSA PLEASE ACT SO AS TO PREVENT ANYONE FROM GETTING HURT OR EVEN KILLED.
NHTSA ODI #10914373
44,000 miles · Sep 2, 2016
Service Brakes
LOST BRAKEING DUE TO RUSTED BRAKE LINES. THIS ALMOST CAUSED A ACCIDENT.TRUCK HAS 44,000 MILES AND HAS BEEN GARAGED FOR 14 YEARS THAT I HAVE OWNED.THERE HAS BEEN VERY LITTLE WINTER DRIVING.COST 826.00 DOLLARS TO REPLACE ALL RUSTED BRAKE LINES.THESE LINES WHERE OF FAULTY MATERIAL.
NHTSA ODI #10903393
129,000 miles · Aug 28, 2016
Service Brakes
WHILE DRIVING HOME FROM TOWN. I STOPPED AT MY MAIL BOX AND THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. LUCKILY I ONLY HAD ANOTHER 400 FEET TO MAKE IT HOME. THE P/U IS NOW PARKED, WAITING ON REPAIRS. I HAVE TALKED TO THE PARTS DEPARTMENT AND THEY TELL ME THE BRAKE LINE HAS RUSTED THROUGH AND NEEDS REPLACED. WHY IN THE WORLD…
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WHILE DRIVING HOME FROM TOWN. I STOPPED AT MY MAIL BOX AND THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. LUCKILY I ONLY HAD ANOTHER 400 FEET TO MAKE IT HOME. THE P/U IS NOW PARKED, WAITING ON REPAIRS. I HAVE TALKED TO THE PARTS DEPARTMENT AND THEY TELL ME THE BRAKE LINE HAS RUSTED THROUGH AND NEEDS REPLACED. WHY IN THE WORLD WOULD A AUTO MANUFACTURER USE SOMETHING THAT RUST ON SUCH A VITAL PART OF THE VEHICLE. ESPECIALLY THOSE OF US WHO LIVE IN AN AREA WHERE SALT IS USED ON THE HIGHWAYS.
NHTSA ODI #10902017
183,000 miles · Aug 24, 2016
Service Brakes
WAS LEAVING DRIVEWAY. PUT FOOT ON BRAKE PEDAL WAS HARD RELEASED AND REAPPLIED TO TAKE OUT OF PARK BRAKE WENT TO FLOOR INSPECTED UNDER TRUCK BRAKE FLUID ALL OVER DRIVEWAY UNDER TRUCK.
NHTSA ODI #10898229
Mileage unknown · Aug 16, 2016
Service BrakesCrash
AS I WAS MAKING A TURN AFTER A STOP (WHICH FELT SOMEWHAT SLUGGISH OF A STOP) I WENT TO TAP THE BRAKES AND EXPERIENCED COMPLETE LOSS OF BRAKES. I WAS ON A DESCENT AND IMMEDIATELY THREW THE TRUCK INTO PARK TO CUT THE POWER TO WHEELS AND PRESSED EMERGENCY BRAKE WHICH WENT ALL THE WAY TO THE FLOOR. THE BRAKE PEDAL WENT ALL THE WAY T…
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AS I WAS MAKING A TURN AFTER A STOP (WHICH FELT SOMEWHAT SLUGGISH OF A STOP) I WENT TO TAP THE BRAKES AND EXPERIENCED COMPLETE LOSS OF BRAKES. I WAS ON A DESCENT AND IMMEDIATELY THREW THE TRUCK INTO PARK TO CUT THE POWER TO WHEELS AND PRESSED EMERGENCY BRAKE WHICH WENT ALL THE WAY TO THE FLOOR. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR AND I HAD A SPLIT SECOND TO DECIDE WHAT TO DO AS THE ROAD WAS CAUSING RAPID ACCELERATION. I SAW ONE CHANCE TO DRIVE OVER A DITCH AND INTO A YARD BY A HOUSE. I DID SO, FLYING OVER THE DITCH. IT TOOK THE LENGTH OF THE ENTIRE YARD (ABOUT AN ACRE OF PROPERTY) FOR THE TRUCK TO EVENTUALLY STOP ON ITS OWN. I HAD TO HAVE IT TOWED WHERE UPON QUICK ASSESSMENT MECHANIC SAID I HAD CORRODED BRAKE LINES AND RUPTURED BRAKE HOSE. THIS MOST CERTAINLY COYLD HAVE REAULTED IN A FATAL ACCIDENT AS THE END OF THIS ROAD IS FULL OF HOUSES AND SHARP BEND WITH MULTIPLE TELEPHONE POLES. I AM STILL AWAITING FULL REPORT ON VEHICLE BUT AM VERY UPSET GM HAS NEVER EVER ADVISED ME OF THIS KNOWN ISSUE. I MAINTAINED VEHICLE AT GM DEALER AND AM SINGLE OWNER. NEVER ONCE WAS I NOTIFIED. MY VEHICLE HAS A LITTLE OVER 100,300 MILES ON IT AND I WAS JUST STARTING DOWN THE HILL, ABOUT 10MPH BUT RAPIDLY THE VEHICLE ACCELERATED WITHIN SPAN OF 2 HOUSES...RESULTING IN THE CRASH AND LOSS OF VEHICLE USE DUE TO NEED FOR TOWING. HAVE NO IDEA OFBSPEED AT THE DITCH AS I WASN'T ABLE TO LOOK DOWN .
NHTSA ODI #10896458
175,000 miles · Jul 5, 2016
Service Brakes
A BRAKE LINE EXPLODED AS I WAS BACKING OUT OF THE DRIVEWAY. LUCKILY, I WAS NOT GOING DOWN THE HIGHWAY. THERE IS SIGNIFICANT CORROSION ON MOST OF THE BRAKE LINES. IT SEEMS VERY DANGEROUS TO MAKE THEM OUT OF A MATERIAL THAT RUSTS COMPLETELY THROUGH AFTER 16 YEARS. WHY ARE THEY NOT USING STAINLESS STEEL?
NHTSA ODI #10882723
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.
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