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2002 Chevrolet Silverado 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2002 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.

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When problems were reported

Mileage at the reported incident

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

Service Brakes, Hydraulic complaints

164 reports
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34,000 miles · Nov 21, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL, HE HEARD A GRINDING NOISE. HE HAD THE TIRES ROTATED AND ASKED THE MECHANIC IF HE COULD EXAMINE THE BRAKES. HE NOTICED A CHUNKY RUST BUILD-UP ON THE BACK SURFACE OF THE BRAKES. THE DEALER STATED THAT THE REAR BRAKE PADS WERE MOST …

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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL, HE HEARD A GRINDING NOISE. HE HAD THE TIRES ROTATED AND ASKED THE MECHANIC IF HE COULD EXAMINE THE BRAKES. HE NOTICED A CHUNKY RUST BUILD-UP ON THE BACK SURFACE OF THE BRAKES. THE DEALER STATED THAT THE REAR BRAKE PADS WERE MOST LIKELY WEARING AT AN ANGLE. THE CONTACT WAS INFORMED THAT HE WOULD PROBABLY NEED NEW ROTORS AND BRAKE PADS INSTALLED. THE MANUFACTURER HAS NOT BEEN NOTIFIED. THE CURRENT MILEAGE WAS APPROXIMATELY 43,000 AND FAILURE MILEAGE WAS APPROXIMATELY 34,000.

NHTSA ODI #10249488

82,000 miles · Oct 29, 2008
EquipmentService Brakes, Hydraulic

WHEN TRAVELING AT A LOW RATE OF SPEED AND ATTEMPTING TO BRAKE THE ABS BRAKE SYSTEM ENGAGES AND DOES NOT ALLOW ME TO STOP WHEN NECESSARY. THIS HAPPENS EVERY TIME I TRY TO STOP AT A LOW RATE OF SPEED. THIS WAS CORRECTED ONCE BY RECALL NUMBER 05V379000, HOWEVER THE PROBLEM HAS NOT BEEN PERMANENTLY FIXED AND WE ARE IN DANGER EVERY…

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WHEN TRAVELING AT A LOW RATE OF SPEED AND ATTEMPTING TO BRAKE THE ABS BRAKE SYSTEM ENGAGES AND DOES NOT ALLOW ME TO STOP WHEN NECESSARY. THIS HAPPENS EVERY TIME I TRY TO STOP AT A LOW RATE OF SPEED. THIS WAS CORRECTED ONCE BY RECALL NUMBER 05V379000, HOWEVER THE PROBLEM HAS NOT BEEN PERMANENTLY FIXED AND WE ARE IN DANGER EVERY TIME WE DRIVE THE VEHICLE. *TR

NHTSA ODI #10247174

90,000 miles · Oct 20, 2008
EquipmentService Brakes, HydraulicStructure

STOPPING THE VEHICLE, THE ANTI-LOCK BRAKES WOULD KICK IN AT AROUND 3 TO 5 MILES PER HOUR AND THE VEHICLE WOULD NOT STOP, WOULD ROLL A FEW MORE FEET. ALMOST HIT A WOMAN AND CHILD IN CROSS WALK, HAD TO STAND UP ON BRAKES. THIS NOT STOPPING HAPPENED 5 OR 6 TIMES, THIS WAS THE CAME REACTION AS IN 2005 RECALL, CALLED GM. GM CHEVROLET…

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STOPPING THE VEHICLE, THE ANTI-LOCK BRAKES WOULD KICK IN AT AROUND 3 TO 5 MILES PER HOUR AND THE VEHICLE WOULD NOT STOP, WOULD ROLL A FEW MORE FEET. ALMOST HIT A WOMAN AND CHILD IN CROSS WALK, HAD TO STAND UP ON BRAKES. THIS NOT STOPPING HAPPENED 5 OR 6 TIMES, THIS WAS THE CAME REACTION AS IN 2005 RECALL, CALLED GM. GM CHEVROLET CUSTOMER ASSISTANCE CENTER SAID, GO AND GET THIS PROBLEM CONFIRMED BY A GM DEALERSHIP, DID OCT. 9, '08 AND THEY SAID CORROSION BUILD IN SAME AREA, BUT BECAUSE RIGHT FRONT HUB WAS REPLACED WITH A NON GM PART (AFTER MARKET PART) THEY HAVE NO RESPONSIBILITY. THIS HUB CAME WITH THE SENSOR ATTACHED. IN 2005 MY 2002 CHEVROLET SILVERADO WAS ISSUED A RECALL FOR SEVERE CORROSION AREA BETWEEN THE FRONT HUB/BEARING ASSEMBLY AND THE WHEEL SPEED SENSOR. THEY FOUND THE LEFT SIDE SENSOR WAS MISSING AN O-RING, THEY INSTALLED UNDER THE RECALL. THE VEHICLE IS DOING THE SAME THING AND A LOCAL DEALERSHIP SERVICE DEPARTMENT CONFIRMED THIS SAME CORROSION PROBLEM. CALLED CHEVROLET CUSTOMER ASSISTANCE CENTER OCT 10, 08. GM CHEVROLET CUSTOMER ASSISTANCE CENTER CALLED ME MONDAY OCT, 20, '08 AND SAID THAT ONCE THE RECALL WAS FIXED, (HOW DID THEY FIX CORROSION) THE SAME PROBLEM IS NOW MY PROBLEM. WHEN I DROPPED OFF THE VEHICLE THE BRAKES WERE BAD, WHEN I PICKED IT UP AT THE END OF THE DAY THEY WERE 10 TIME WORSE, REALLY UNSAFE TO DRIVE. THEY DID NOT CHARGE ME A DIME, SAID THAT THEY WOULD WORK IT OUT WITH LOCAL REP. I WILL GET THE VEHICLE FIXED, BUT HOW DOES THIS CORRECT THE PROBLEM? *TR

NHTSA ODI #10246074

20,000 miles · Sep 26, 2008
Service Brakes, Hydraulic

INBOARD DISC BRAKE PADS BOTH FRONT AND REAR QUICKLY LOSE CONTACT WITH BRAKE ROTOR AFTER REPLACEMENT - I HAVE BEEN PLAGUED WITH POOR PERFORMING BRAKES SINCE PURCHASE. THE INBOARD BRAKE PAD DOES NOT SELF ADJUST TO MAINTAIN CONTACT WITH THE ROTOR. INSTEAD IT SEIZES IN ITS STAINLESS STEEL ANTI-RATTLE GUIDES. SOMETIMES IT COCKS TO…

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INBOARD DISC BRAKE PADS BOTH FRONT AND REAR QUICKLY LOSE CONTACT WITH BRAKE ROTOR AFTER REPLACEMENT - I HAVE BEEN PLAGUED WITH POOR PERFORMING BRAKES SINCE PURCHASE. THE INBOARD BRAKE PAD DOES NOT SELF ADJUST TO MAINTAIN CONTACT WITH THE ROTOR. INSTEAD IT SEIZES IN ITS STAINLESS STEEL ANTI-RATTLE GUIDES. SOMETIMES IT COCKS TO ONE SIDE, SOMETIMES IT IS PARALLEL TO THE ROTOR. THIS CAUSES SEVERAL PROBLEMS - FIRST LOST OF BRAKE PERFORMANCE WITH LONG STOPPING DISTANCES BECAUSE THE SEIZED PAD IS INEFFECTIVE-THIS IS A SAFETY ISSUE, SECOND THE SEIZED PAD DOES NOT CLEAN THE ROTOR SURFACE CAUSING PREMATURE RUSTING AND SHORT ROTOR LIFE. MY ROTORS NEED REPLACING EVERY YEAR OR TWO BECAUSE OF RUST ON THE INBOARD SURFACE. I HAVE GONE THROUGH THE FOUR ORIGINAL ROTORS AND 12 REPLACEMENT ROTORS IN 47000 MILES AND SIX YEARS SINCE NEW. *TR

NHTSA ODI #10243585

46,700 miles · Sep 26, 2008
Service Brakes, Hydraulic

SUDDEN METAL HYDRAULIC BRAKE LINE RUPTURE ONE OF TWO BRAKE LINE RUNS BETWEEN THE MASTER CYLINDER AND ABS FRAME MOUNTED CONTROLLER RUPTURED. THE EXTERIOR APPEARANCE OF THE LINE IS EXTREMELY RUSTY. THE LINE IS IN A BUNDLE OF FOUR LINES - TWO GOING TO THE ABS CONTROLLER AND TWO RETURNING FROM THE ABS CONTROLLER TO EACH OF THE …

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SUDDEN METAL HYDRAULIC BRAKE LINE RUPTURE ONE OF TWO BRAKE LINE RUNS BETWEEN THE MASTER CYLINDER AND ABS FRAME MOUNTED CONTROLLER RUPTURED. THE EXTERIOR APPEARANCE OF THE LINE IS EXTREMELY RUSTY. THE LINE IS IN A BUNDLE OF FOUR LINES - TWO GOING TO THE ABS CONTROLLER AND TWO RETURNING FROM THE ABS CONTROLLER TO EACH OF THE TWO FRONT WHEELS. THE OTHER THREE LINES HAVE EXTREMELY RUSTY SURFACES AND APPEAR NEAR RUPTURE AS WELL. THE FAILURE OCCURRED WHEN BRAKING FOR A TRAFFIC LIGHT AND WAS MADE APPARENT BY THE BRAKE PEDAL SUDDENLY DROPPING TO THE FLOOR. NO ACCIDENT OR INJURIES OCCURRED. THE FAILURE IS NOT YET CORRECTED. I HAVE ONLY CALLED REPAIR SHOP FOR ESTIMATE. THE ESTIMATE WAS $400 TO $600 PER LINE OR $1600 TO $2400 FOR REPLACING ALL FOUR LINES BASED ON MATERIAL COST PLUS $82 / HR LABOR. *TR

NHTSA ODI #10243577

104,000 miles · Sep 15, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHEN APPROACHING A STOP SIGN OR TRAFFIC LIGHT, THE ABS ENGAGES TOO EARLY AND THE BRAKE PEDAL VIBRATES. THE VEHICLE WAS TAKEN TO A SERVICE STATION AND IT WAS DISCOVERED THAT THE CALIPERS NEEDED TO BE REPLACED DUE TO RUST BUILD UP. THE VIN WAS UNKNOWN.…

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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHEN APPROACHING A STOP SIGN OR TRAFFIC LIGHT, THE ABS ENGAGES TOO EARLY AND THE BRAKE PEDAL VIBRATES. THE VEHICLE WAS TAKEN TO A SERVICE STATION AND IT WAS DISCOVERED THAT THE CALIPERS NEEDED TO BE REPLACED DUE TO RUST BUILD UP. THE VIN WAS UNKNOWN. THE CURRENT MILEAGE WAS 105,000 AND FAILURE MILEAGE WAS 10,400.

NHTSA ODI #10242201

100,000 miles · May 16, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING 7 MPH, THE ANTI-LOCK BRAKES ACTIVATED WITHOUT WARNING. THE CONTACT STATED THAT HE HAD RELEASE THE BRAKES THEN DEPRESSED THEM AGAIN TO STOP THE VEHICLE. THERE WAS A RECALL REPAIR MADE FOR THE SERVICE BRAKES, HYDRAULIC: ANTILOCK (NHTSA CAMPAIGN ID # 05V379000) IN …

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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. WHILE DRIVING 7 MPH, THE ANTI-LOCK BRAKES ACTIVATED WITHOUT WARNING. THE CONTACT STATED THAT HE HAD RELEASE THE BRAKES THEN DEPRESSED THEM AGAIN TO STOP THE VEHICLE. THERE WAS A RECALL REPAIR MADE FOR THE SERVICE BRAKES, HYDRAULIC: ANTILOCK (NHTSA CAMPAIGN ID # 05V379000) IN JANUARY OF 2006. THE CONTACT FELT THAT REMEDY FOR THE RECALL WAS NOT SUFFICIENT. AS OF MAY 16, 2008, THE DEALER HAD NOT INSPECTED OR REPAIRED THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 100,000.

NHTSA ODI #10228048

100,000 miles · May 16, 2008
Service Brakes, Hydraulic

I HAVE A 2002 CHEVY SILVERADO THAT WAS PART OF A RECALL FOR ANTI-LOCK BRAKES ENGAGING AT LOW SPEEDS (4-10MPH). I TOOK MY TRUCK TO A DEALERSHIP TO HAVE THE RECALL SERVICE PERFORMED IN 2006. NOW, IN 2008, AS I WAS DRIVING THROUGH TOWN, MY ANTI-LOCK BRAKES KICKED IN AND I ALMOST WRECKED INTO THE CAR IN FRONT OF ME. IT NOW HAPPEN…

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I HAVE A 2002 CHEVY SILVERADO THAT WAS PART OF A RECALL FOR ANTI-LOCK BRAKES ENGAGING AT LOW SPEEDS (4-10MPH). I TOOK MY TRUCK TO A DEALERSHIP TO HAVE THE RECALL SERVICE PERFORMED IN 2006. NOW, IN 2008, AS I WAS DRIVING THROUGH TOWN, MY ANTI-LOCK BRAKES KICKED IN AND I ALMOST WRECKED INTO THE CAR IN FRONT OF ME. IT NOW HAPPENS ON A REGULAR BASIS EVERYTIME I TRY TO BRAKE AT LOW SPEEDS. I CALLED CHEVY TECHNICAL SUPPORT AND THEY WERE OF NO HELP WHATSOEVER. THEY COULD NOT OFFER A GOOD EXPLANATION AS TO WHY THEY WOULD NOT FIX MY PROBLEM, EVEN THOUGH THEY ACKNOWLEDGE IT IS A PROBLEM AND A SAFETY HAZARD. *TR

NHTSA ODI #10228047

119,000 miles · Apr 18, 2008
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT RECEIVED A SAFETY RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK) IN MARCH OF 2008. HE TOOK THE VEHICLE TO THE DEALER TO BE REPAIRED, BUT THE PART WAS UNAVAILABLE. AT THAT TIME, THE BRAKES WERE CLEANED AND INSPECTED AND…

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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 1500. THE CONTACT RECEIVED A SAFETY RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK) IN MARCH OF 2008. HE TOOK THE VEHICLE TO THE DEALER TO BE REPAIRED, BUT THE PART WAS UNAVAILABLE. AT THAT TIME, THE BRAKES WERE CLEANED AND INSPECTED AND THE CONTACT WAS INFORMED THAT THE PART WOULD BE IN SOON. AS OF APRIL 18, 2007, THE PART IS STILL UNAVAILABLE. WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL WHILE DRIVING AT AN UNKNOWN SPEED, THE ANTILOCK BRAKES ACTIVATED. THE VEHICLE IS CURRENTLY PARKED. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 119,000.

NHTSA ODI #10224866

55,000 miles · Mar 31, 2008
Service Brakes, HydraulicCrash

PULLING INTO A PARKING SPOT AT A SLOW RATE OF SPEED, THE ANTILOCK BRAKES KICKED IN AND I COULD NOT STOP. I ENDED-UP HITTING THE CAR IN FRONT OF ME CAUSING 1,100 IN DAMAGE TO HER CAR. THIS ISSUE WAS SUPPOSED TO BE FIXED IN A RECALL IN OCT 2005. THE FIX WAS A BANDAID TO THE REAL PROBLEM. THE ABS SYSTEM IS IN THESE TRUCKS ARE FAULT…

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PULLING INTO A PARKING SPOT AT A SLOW RATE OF SPEED, THE ANTILOCK BRAKES KICKED IN AND I COULD NOT STOP. I ENDED-UP HITTING THE CAR IN FRONT OF ME CAUSING 1,100 IN DAMAGE TO HER CAR. THIS ISSUE WAS SUPPOSED TO BE FIXED IN A RECALL IN OCT 2005. THE FIX WAS A BANDAID TO THE REAL PROBLEM. THE ABS SYSTEM IS IN THESE TRUCKS ARE FAULTY. I WAS TOLD THE BEST THING TO DO IS TAKE THE FUSE OUT OF THE TRUCK FOR THE ABS. *TR

NHTSA ODI #10222979

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.