Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
340–25K
4925–50K
7950–75K
10275–100K
124100–150K
55150K+
443 reports with mileage · 66 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 184 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes, Hydraulic. Review the 164 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Structure. Review the 30 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
45 crash reports5 fire reports15 injury reports
What owners actually said
509 reports
43,312 miles · Sep 16, 2013
Service Brakes
I WAS DRIVING HOME AND PULLED UP TO A TRAFFIC LIGHT AND WAS PREPARING TO STOP, AS I APPLIED THE BRAKE PEDAL IT WENT TO THE FLOOR AS I WAS PUSHING THE PEDAL DOWN AND EVEN TRIED PUMPING THE BRAKES UP A BIT NOTHING WORKED AND IT WOULD NOT STOP AND I ALMOST HIT A POLICE CAR BUT LUCKILY THE LIGHT TURNED GREEN AND I APPLIED THE EMER…
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I WAS DRIVING HOME AND PULLED UP TO A TRAFFIC LIGHT AND WAS PREPARING TO STOP, AS I APPLIED THE BRAKE PEDAL IT WENT TO THE FLOOR AS I WAS PUSHING THE PEDAL DOWN AND EVEN TRIED PUMPING THE BRAKES UP A BIT NOTHING WORKED AND IT WOULD NOT STOP AND I ALMOST HIT A POLICE CAR BUT LUCKILY THE LIGHT TURNED GREEN AND I APPLIED THE EMERGENCY BRAKE THAT STOPPED ME ENOUGH TO GIVE ME TIME FOR THE CARS IN THE FRONT OF ME TO MOVE ON. THIS IS THE 2ND TIME THIS HAPPENED THE FIRST TIME WAS A SIMILAR SITUATION AND I GOT THAT PART FIXED AND I WAS INFORMED THAT OTHER LINES WERE FINE BUT AFTER LAST WINTER AND THE TRUCK BEING PARKED OUTSIDE FOR THE FIRST TIME IT HAPPENED AGAIN. THIS TRUCK DOES NOT HAVE A LOT OF MILES ON IT AND EVEN THOUGH I LIVE IN A STATE THAT USES SALT IN THE WINTER THIS TRUCK WAS NEVER DRIVEN IN THE WINTER AND PARKED IN A GARAGE AND ONLY DRIVEN IN THE SUMMER MONTHS WHICH IS WHY THE MILES ARE SO LOW AND WHY I PURCHASED IT FROM A PRIVATE OWNER. UPON FURTHER INSPECTION THE BRAKE LINES ARE EXTREMELY RUSTED NOW AND LEAKING AND I CANNOT EVEN AFFORD THE COST AT THIS TIME TO GET THIS FIXED DUE TO HAVING MY HOURS AT WORK LOWERED TO 5 A DAY. *TR
NHTSA ODI #10543881
45,000 miles · Sep 13, 2013
Service BrakesStructure
WANT 1600 DOLLARS TO REPLACE EVERY LINE ON THE TRUCK DUE TO RUST...INCLUDING FLEXIBLE HOSE TO WHEELS. DON'T HAVE VIN NO TRUCK AT SHOP UNTIL I DECIDE WHAT TO DO. *TR
NHTSA ODI #10543558
77,866 miles · Sep 13, 2013
Service Brakes
WHILE BACKING OUT OF MY GARAGE I APPLIED THE BRAKES TO CHANGE DIRECTION AND GO FORWARD. I HEARD A SUDDEN HISSING NOISE THROUGH THE OPEN DRIVER SIDE WINDOW AND MY BRAKE PEDAL WENT TO THE FLOOR, BOTTOMING OUT. UPON INVESTIGATION I NOTICED BRAKE FLUID COMING FROM RUSTED BRAKE LINES BEHIND THE LEFT SIDE FRONT WHEEL. WHEN THE BRAKE …
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WHILE BACKING OUT OF MY GARAGE I APPLIED THE BRAKES TO CHANGE DIRECTION AND GO FORWARD. I HEARD A SUDDEN HISSING NOISE THROUGH THE OPEN DRIVER SIDE WINDOW AND MY BRAKE PEDAL WENT TO THE FLOOR, BOTTOMING OUT. UPON INVESTIGATION I NOTICED BRAKE FLUID COMING FROM RUSTED BRAKE LINES BEHIND THE LEFT SIDE FRONT WHEEL. WHEN THE BRAKE PEDAL BOTTOMED, IT DIDN'T APPEAR THAT I HAD ANY BRAKE ACTION AT ALL. VERY FORTUNATE TO HAVE BEEN IN MY DRIVEWAY AND NOT AT A BUSY INTERSECTION OR OTHER DANGEROUS LOCATION. *TR
NHTSA ODI #10543485
80,254 miles · Aug 26, 2013
Service Brakes
WENT TO STOP AT STOP SIGN, BRAKES WENT TO FLOOR, NO CARS WERE COMING, WENT THRU SIGN BY TIME E-BRAKE WAS HIT. *TR
NHTSA ODI #10537199
Mileage unknown · Aug 22, 2013
EquipmentSteeringSuspension
I HAVE A 2002 CHEVY SILVERADO 1500 TRUCK, AND HAD A NEW SET OF TIRES (OEM SIZE), A NEW NAPA HUB BEARING ASSEMBLY AND A NEW NAPA INNER TIE ROD. THIS WORK WAS PROFESSIONALLY INSTALLED BY A CERTIFIED ASE MECHANIC AT A LOCAL REPAIR SHOP ON JULY 3, 2013. THE TIE ROD FAILED ON JULY 29, 2013. THE HUB BEARING AND THE INNER TIE ROD WER…
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I HAVE A 2002 CHEVY SILVERADO 1500 TRUCK, AND HAD A NEW SET OF TIRES (OEM SIZE), A NEW NAPA HUB BEARING ASSEMBLY AND A NEW NAPA INNER TIE ROD. THIS WORK WAS PROFESSIONALLY INSTALLED BY A CERTIFIED ASE MECHANIC AT A LOCAL REPAIR SHOP ON JULY 3, 2013. THE TIE ROD FAILED ON JULY 29, 2013. THE HUB BEARING AND THE INNER TIE ROD WERE REPLACED DUE TO NORMAL WEAR. THANKFULLY - THIS HAPPENED WHILE I WAS BACKING OUT OF MY DRIVEWAY AND NOT LAST WEEKEND DOING 70 MPH ON THE HIGHWAY WITH MY FAMILY IN MY TRUCK. FAILURE OF THIS PART ON THE HIGHWAY COULD HAVE COST ME MY LIFE, MY FAMILY'S LIVES AND THE LIVES OF EVERYONE ELSE IN MY UNINTENDED PATH. VEHICLE WAS "REPAIRED" BY THE LOCAL SHOP IN THE DRIVEWAY AND THEY SHOWED UP WITH A REPLACEMENT NAPA INNER TIE ROD. I SEE ON THE BOX THAT THIS PART IS MANUFACTURED IN CHINA. I DID NOT WANT THAT PART ON MY VEHICLE AND TOLD THEM THEY COULD INSTALL IT FOR A ONE-TIME TRIP TO THE SHOP BUT THEN I WANT IT CHANGED TO ANOTHER BRAND. THEY OBLIGED AND FOUND ANOTHER MANUFACTURER. THE NAPA PART IS ES3478 - INNER TIE ROD. *TR
NHTSA ODI #10536666
130,000 miles · Aug 17, 2013
Service Brakes
2002 CHEVROLET SILVERADO.ABS ISSUE. DRIVING AT LESS THAN 10MPH, ABS PUMP WAS ENGAGED AND I WAS BARELY ABLE TO STOP THE VEHICLE, I HAD TO USE PARKING BRAKE AND DOWNSHIFT IN ORDER TO GET MY VEHICLE TO STOP. I WAS WITHIN ONE CAR LENGTH FROM STRIKING ANOTHER CAR ON THE ROAD. ABS IS CONSTANTLY RUNNING AND KICKS IN AT LOWER SPEEDS.…
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2002 CHEVROLET SILVERADO.ABS ISSUE. DRIVING AT LESS THAN 10MPH, ABS PUMP WAS ENGAGED AND I WAS BARELY ABLE TO STOP THE VEHICLE, I HAD TO USE PARKING BRAKE AND DOWNSHIFT IN ORDER TO GET MY VEHICLE TO STOP. I WAS WITHIN ONE CAR LENGTH FROM STRIKING ANOTHER CAR ON THE ROAD. ABS IS CONSTANTLY RUNNING AND KICKS IN AT LOWER SPEEDS. VERY UNSAFE. *TR
NHTSA ODI #10535890
90,578 miles · Aug 14, 2013
Service Brakes
WENT TO PUT ON BRAKES AND NOTHING FOUND THAT THEY HAVE RUSTED THROUGH AND NOT FROM RUBBING OR CLAMPS. WAS ABLE TO KEEP FROM HITTING ANOTHER CAR. *TR
NHTSA ODI #10535401
60,000 miles · Aug 11, 2013
Electrical System
THE VEHICLE WILL NOT START DUE TO A PROBLEM WITH SECURITY SYSTEM OR PASS LOCK.I SOMETIMES HAVE TO WAIT UP TO 2 HOURS BEFORE THE VEHICLE WILL START. *TR
NHTSA ODI #10534776
112,500 miles · Jul 21, 2013
Service Brakes
WHILE TOWING MY BOAT I WAS APPROACHING A STOP SIGN WHILE PRESSING MY BRAKE PEDAL IT WENT COMPLETELY TO THE FLOOR. I WAS BARELY ABLE TO GET OUT OF THE WAY OF THE OTHER STOPPED CARS AT THE STOP SIGN I HAD JUST ENOUGH PRESSURE TO STOP IN THE ONCOMING TRAFFIC LANE JUST PAST THE CARS IN MY LANE WHICH I WAS LUCKY ENOUGH TO AVOID HITT…
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WHILE TOWING MY BOAT I WAS APPROACHING A STOP SIGN WHILE PRESSING MY BRAKE PEDAL IT WENT COMPLETELY TO THE FLOOR. I WAS BARELY ABLE TO GET OUT OF THE WAY OF THE OTHER STOPPED CARS AT THE STOP SIGN I HAD JUST ENOUGH PRESSURE TO STOP IN THE ONCOMING TRAFFIC LANE JUST PAST THE CARS IN MY LANE WHICH I WAS LUCKY ENOUGH TO AVOID HITTING. THANKFULLY ALSO THERE WAS NO CARS COMING IN THE OTHER DIRECTION. I THEN PULLED OVER AND GOT OUT OF MY TRUCK AND NOTICED BRAKE FLUID LEAKING FROM UNDER MY TRUCK UNDER THE DRIVERS SIDE DOOR ENTRANCE. I THEN LOOKED UNDER AND NOTICED THE RUSTED LINES THE FLUID WAS COMING FROM AS IT WAS DRIPPING OUT. THIS COULD OF BEEN A DISASTER BECAUSE IF I HAD MADE IT TO THE INTERSTATE AND GOT ON THE HIGHWAY TO HEAD HOME I SURELY WOULD OF NOT BEEN AS LUCKY. SO FAR MY TOWING COST ME 298.00 TO GET MY TRUCK HOME AND TO MY MECHANIC WHERE IT SITS IN THEIR LOT UNTIL MONDAY MORNING. LUCKILY MY FISHING PARTNER WAS NOT FAR BEHIND ME AND SAW ME PULLED OVER AND THEN PULLED OVER TO SEE WHAT WAS WRONG. HE HAS A TRUCK AND TOWED MY BOAT ALL THE WAY HOME FOR ME WHICH WAS 60 MILES. THIS WAS BY FAR THE SCARIEST EVENT I EVER HAVE HAD IN MY TRUCK WHILE TOWING BUT DO REALIZE THAT IT COULD OF BEEN MUCH WORST. AFTER READING ALL THE COUNTLESS ISSUES THAT MOST HAVE HAD WITH THIS I CANNOT IMAGINE WHY GM HAS NOT STEPPED UP TO FIX THE PROBLEM THROUGH A RECALL. *TR
NHTSA ODI #10525962
Mileage unknown · Jul 15, 2013
Service BrakesCrash
MY GIRLFRIEND WAS DRIVING MY TRUCK WENT TO PULL IN TO A PARKING SPOT WHEN SHE HIT THE BRAKES ABS KICKED IN AND WOULD NOT STOP THE TRUCK CAUSING HER TO HIT A PARKED CAR WITH A GOOD AMOUNT OF DAMAGE TO THE OTHER CAR THE BRAKES HAVE NEVER GIVING ME PROBLEMS AND NOW ITS GOT NO BRAKES 2002 CHEVY SILVERADO. *TR
NHTSA ODI #10524999
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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