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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

Service Brakes complaints

64 reports
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157,468 miles · May 23, 2016
Service Brakes

THANKFULLY I WAS IN A PARKING LOT, I WAS BACKING UP AND MY BRAKE PEDAL WENT RIGHT TO THE FLOOR AND I HAD NO BRAKES AT ALL. THE BRAKE LINE ON THE DRIVER'S SIDE FRONT BURST. I HAVE MY TRUCK AT A LOCAL SHOP AND ITS GOING TO COST AROUND $1500 TO REPLACE THE BRAKE LINES. THE COST IS MOSTLY LABOR. IF LOOSE THE FRONT BRAKES, I WOULD E…

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THANKFULLY I WAS IN A PARKING LOT, I WAS BACKING UP AND MY BRAKE PEDAL WENT RIGHT TO THE FLOOR AND I HAD NO BRAKES AT ALL. THE BRAKE LINE ON THE DRIVER'S SIDE FRONT BURST. I HAVE MY TRUCK AT A LOCAL SHOP AND ITS GOING TO COST AROUND $1500 TO REPLACE THE BRAKE LINES. THE COST IS MOSTLY LABOR. IF LOOSE THE FRONT BRAKES, I WOULD EXPECT THE REAR BRAKES TO WORK BUT THAT IS NOT THE CASE. I AM THANKFUL I WAS NOT ON THE HIGHWAY OR PULLING A TRAILER. I COULD OF GOT HURT OR HURT SOMEONE ELSE. GM NEEDS TO LOOK INTO THE QUALITY OF PARTS USED IN THEIR VEHICLE ESPECIALLY SOMETHING AS IMPORTANT AS BRAKES.

NHTSA ODI #10870263

136,034 miles · Apr 15, 2016
Service Brakes

WHILE ON STATE HIGHWAY AND DRIVING THE LEGAL LIMIT, I WAS APPROACHING A GREEN TRAFFIC SIGNAL. AN AMBULANCE WITH EMERGENCY LIGHTS WAS APPROACHING FROM THE CROSS DIRECTION. I APPLIED BRAKES AND WITHOUT WARNING BRAKES PRESSURE COMPLETELY FAILED. I HAD ABSOLUTE MINIMAL BRAKES AND I WENT COMPLETELY THROUGH THE INTERSECTION. IT …

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WHILE ON STATE HIGHWAY AND DRIVING THE LEGAL LIMIT, I WAS APPROACHING A GREEN TRAFFIC SIGNAL. AN AMBULANCE WITH EMERGENCY LIGHTS WAS APPROACHING FROM THE CROSS DIRECTION. I APPLIED BRAKES AND WITHOUT WARNING BRAKES PRESSURE COMPLETELY FAILED. I HAD ABSOLUTE MINIMAL BRAKES AND I WENT COMPLETELY THROUGH THE INTERSECTION. IT APPEARS TO BE RUSTED BRAKE LINES. WHEN I APPLY THE BRAKES, BRAKE FLUID SQUIRTS OUT OF THE FRONT PASSENGER SIDE BRAKE LINE WHERE IT CROSSES OVER FROM THE DRIVER'S SIDE. I HAVE HAD ALL MY WORK DONE AT GM DEALERS AND THEY NEVER HAVE MENTIONED THIS ISSUE. I SEARCHED THE INTERNET AND SEE MULTIPLE REPORTS ON THIS ISSUE AND THAT GM STATES THIS IS A MAINTENANCE ISSUE. I AM OVER 60 AND HAVE NEVER HAD A VEHICLE WHERE THE BRAKE LINES NEEDED TO BE REPLACED. I WAS FORTUNATE THAT MY LANE WAS CLEAR OR THIS WOULD HAVE RESULTED IN AN ACCIDENT. IT IS BEYOND RATIONAL THOUGHT AS TO HOW GM CAN SAY THIS MATERIALS DEFECT IS NOT THEIR PROBLEM. NHTSA SHOULD REEVALUATE THIS ISSUE AND FORCE GM TO RECALL THEIR PRODUCT BEFORE LIVES ARE LOST.

NHTSA ODI #10855659

208,000 miles · Dec 1, 2015
Service Brakes

ALL BRAKE LINES HAVE ROTTED OUT

NHTSA ODI #10807696

125,988 miles · Nov 19, 2015
Service Brakes

TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING AT A LOW SPEED, THE BRAKE WARNING INDICATOR ILLUMINATED AND THE BRAKES FAILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE BRAKE LINE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE…

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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING AT A LOW SPEED, THE BRAKE WARNING INDICATOR ILLUMINATED AND THE BRAKES FAILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE BRAKE LINE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 125,988. UPDATED 02/12/16*LJ *CN

NHTSA ODI #10794882

98,300 miles · Oct 23, 2015
Service Brakes

I RECENTLY TOOK MY TRUCK OFF THE ROAD TO REPLACE THE SHOCK ABSORBERS. WHILE REPLACING THE REAR SHOCKS, I NOTICED THAT THE BRAKE PADS WERE WORN TO LESS THAN ONE EIGHTH INCH THICK. I THEN LOOKED AT THE FRONT BRAKE PADS AND NOTED THAT THEY HAD HARDLY ANY WEAR. I UNDERSTAND THAT THE FRONT BRAKES DO 70% OF THE BRAKING AND THE REAR …

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I RECENTLY TOOK MY TRUCK OFF THE ROAD TO REPLACE THE SHOCK ABSORBERS. WHILE REPLACING THE REAR SHOCKS, I NOTICED THAT THE BRAKE PADS WERE WORN TO LESS THAN ONE EIGHTH INCH THICK. I THEN LOOKED AT THE FRONT BRAKE PADS AND NOTED THAT THEY HAD HARDLY ANY WEAR. I UNDERSTAND THAT THE FRONT BRAKES DO 70% OF THE BRAKING AND THE REAR BRAKES DO 30%. THAT MADE MY FINDING ABNORMAL. ALL THE BRAKE PADS AND ROTORS WERE REPLACED, AT THE SAME TIME, ABOUT ONE YEAR AGO. WHEN I PREPARED TO CHANGE THE FRONT SHOCKS, I NOTED THAT THE ABS DASHBOARD LIGHT WAS ON. I WAS TURNING THE VEHICLE AROUND AT THE TIME AND WHEN I APPROACHED THE GARAGE I APPLIED THE BRAKES AND THE PEDAL WENT ALL THE WAY TO THE FLOOR. A FEW SECONDS LATER, I FELT THE BRAKES MODULATING AND THE PEDAL WAS FORCEFULLY PUSHED BACK UP TO THE AT REST POSITION. THE TRUCK CONTINUED TO ROLL AND THE BRAKES WERE INEFFECTIVE. I HAVE ALWAYS BELIEVED THAT A DUAL (FRONT/REAR) BRAKING SYSTEM WAS A SAFETY FEATURE. I WAS INCREDULOUS THAT THIS WAS EVEN POSSIBLE. I FEEL FORTUNATE THAT I WAS ONLY NAVIGATING IN MY YARD. I PULL A 27 FOOT FIFTH WHEEL WITH THIS TRUCK SEVERAL TIMES A YEAR. I CAN ONLY IMAGINE THE OUTCOME IF THIS EVENT HAPPENED ON THE HIGHWAY WITH THE RV ATTACHED. I FOUND MANY ANECDOTAL STORIES THAT WERE SIMILAR TO MINE ON SEVERAL WEBSITES. AS OF NOW, THIS TRUCK IS GROUNDED UNTIL I FIND A SATISFACTORY EXPLANATION FOR THIS. THE BRAKE FLUID RESERVOIR WAS FOUND TO BE COMPLETELY FULL OF BRAKE FLUID AND AN INSPECTION OF THE BRAKE LINES REVEALED NO SIGN OF LEAKAGE. I HAVE NOT YET DELVED INTO THE TRUCKS ABS SYSTEM, BUT I HAVE STRONG REASON TO BELIEVE IT IS DEFECTIVE.

NHTSA ODI #10785739

Mileage unknown · Sep 22, 2015
Service Brakes

TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKES FAILED. THE VEHICLE HAD TO BE TOWED TO A INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE BRAKE HOSE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN AND FAILURE MILEAGE WE…

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TL* THE CONTACT OWNS A 2002 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKES FAILED. THE VEHICLE HAD TO BE TOWED TO A INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE BRAKE HOSE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE UNKNOWN.

NHTSA ODI #10767448

40,000 miles · Sep 8, 2015
Service Brakes

SLOWED DOWN AND TURNED INTO A PARKING SPOT AND THE ABS SYSTEM KICKED IN. DID GET THE PICKUP STOPPED AND NOTICED BRAKE FLUID LEAKING BY THE DRIVER REAL WHEEL. HAD ALMOST NO BRAKES GETTING THE PICKUP HOME. UPON INSPECTION FOUND THE REAR BRAKE LINE HAD RUPTURED DUE TO CORROSION. THE ABS SYSTEM HAS BEEN KICKING FOR NO REASON BEFO…

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SLOWED DOWN AND TURNED INTO A PARKING SPOT AND THE ABS SYSTEM KICKED IN. DID GET THE PICKUP STOPPED AND NOTICED BRAKE FLUID LEAKING BY THE DRIVER REAL WHEEL. HAD ALMOST NO BRAKES GETTING THE PICKUP HOME. UPON INSPECTION FOUND THE REAR BRAKE LINE HAD RUPTURED DUE TO CORROSION. THE ABS SYSTEM HAS BEEN KICKING FOR NO REASON BEFORE THIS. TALKED TO A MECHANIC AND HE SAID THERE HAVE BEEN A LOT OF CORROSION PROBLEMS WITH THE 1999 TO 2003 GM PICKUPS.

NHTSA ODI #10762169

68,524 miles · Aug 24, 2015
Service Brakes

ON THE MORNING OF FRIDAY AUGUST 21, 2015, MY WIFE WENT TO MOVE MY 2002 GMC SIERRA. SHE PULLED OUT OF OUR DRIVEWAY AND PROCEEDED UP-HILL ABOUT 300-400 FEET, AND THEN TURNED AROUND IN A NEIGHBOR'S DRIVEWAY, WHEN COMING BACK DOWN THE HILL SHE TRIED TO BRAKE TO STOP IN FRONT OF OUR HOUSE, BUT THE BRAKES TOTALLY FAILED WITHOUT ANY WA…

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ON THE MORNING OF FRIDAY AUGUST 21, 2015, MY WIFE WENT TO MOVE MY 2002 GMC SIERRA. SHE PULLED OUT OF OUR DRIVEWAY AND PROCEEDED UP-HILL ABOUT 300-400 FEET, AND THEN TURNED AROUND IN A NEIGHBOR'S DRIVEWAY, WHEN COMING BACK DOWN THE HILL SHE TRIED TO BRAKE TO STOP IN FRONT OF OUR HOUSE, BUT THE BRAKES TOTALLY FAILED WITHOUT ANY WARNING. SHE THEN WENT UP A SLIGHT HILL ON THE OTHER SIDE OF OUR HOUSE, BUT STILL COULDN'T STOP, AND DIDN'T THINK TO PUT THE TRUCK IN PARK AS SHE SLOWED. SHE ROLLED BACKWARDS DOWN THE HILL AND WAS ABLE TO STEER INTO A NEIGHBOR'S YARD WHERE THE TRUCK CAME TO REST ON A BERM. AT THE TIME SHE SAID THERE WERE CARS PARKED ON BOTH SIDES OF THE STREET AND HAD A CAR BEEN COMING THE OPPOSITE DIRECTION SHE WOULD HAVE CRASHED INTO IT. HAD THERE BEEN PEDESTRIANS THEY COULD HAVE BEEN HIT AS WELL. WHEN I CAME HOME THAT AFTERNOON, I ADDED BRAKE FLUID TO THE RESERVOIR, AND THEN PUSHED ON THE BRAKE PEDAL. I SAW A HUGE STREAM OF FLUID POUR FROM BELOW THE DRIVER'S SIDE DOOR. I LOOKED UNDER THE TRUCK AND FOUND THE BRAKE LINES SURPRISINGLY CORRODED. IF SUDDEN, IMMEDIATE LOSS OF BRAKES WITHOUT ANY WARNING IS NOT CAUSE FOR A RECALL I DO NOT KNOW WHAT IS.

NHTSA ODI #10758882

200,100 miles · Jul 11, 2015
Service BrakesCrash

PULLING INTO MY DRIVEWAY TRUCK STARTED TO SLOW THEN THE PEDAL WENT TO THE FLOOR. TRIED PUMPING THE BRAKES BUT DID NOT STOP UNTILL I HIT TWO GARBAGE CANS AND PUSHED THEM INTO MY GARAGE DOOR. I NOW HAVE A TRUCK I CANT DRIVE AND A GARAGE DOOR THAT WILL HAVE TO BE REPLACED. THERE WAS NO WARNING I AM JUST FORTINATE THAT NO ONE WAS…

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PULLING INTO MY DRIVEWAY TRUCK STARTED TO SLOW THEN THE PEDAL WENT TO THE FLOOR. TRIED PUMPING THE BRAKES BUT DID NOT STOP UNTILL I HIT TWO GARBAGE CANS AND PUSHED THEM INTO MY GARAGE DOOR. I NOW HAVE A TRUCK I CANT DRIVE AND A GARAGE DOOR THAT WILL HAVE TO BE REPLACED. THERE WAS NO WARNING I AM JUST FORTINATE THAT NO ONE WAS INFRONT OF THIS TRUCK. ONE OF THE LINES TO THE REAR OF THE TRUCK BLEW OUT AND LOST ITS FLUID ALL OVER MY DRIVEWAY. I THOUGHT IF YOU LOST 1 LINE THE TRUCK COULD STILL STOP WITH THE FRONT BRAKES BUT I HAD NOTHING. PLEASE WARN PEOPLE BEFORE THIS PROBLEM KILLS PEOPLE.

NHTSA ODI #10733365

Mileage unknown · Jun 21, 2015
Service Brakes

I WAS SLOWING DOWN TO PARK TO UNLOAD SOME RECYCLING AND I PRESSED ON MY BRAKE PEDAL AND IT WENT ALL THE WAY TO THE FLOOR. I WAS BARELY ABLE TO AVOID HITTING THE PERSON IN FRONT OF ME (OUTSIDE OF THEIR VEHICLE) AND THEIR VEHICLE. I PUMPED THE BRAKES BUT THE PEDAL DID NOT RESIST AT ALL. MY BRAKES WERE TOTALLY INOPERABLE WITHOUT US…

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I WAS SLOWING DOWN TO PARK TO UNLOAD SOME RECYCLING AND I PRESSED ON MY BRAKE PEDAL AND IT WENT ALL THE WAY TO THE FLOOR. I WAS BARELY ABLE TO AVOID HITTING THE PERSON IN FRONT OF ME (OUTSIDE OF THEIR VEHICLE) AND THEIR VEHICLE. I PUMPED THE BRAKES BUT THE PEDAL DID NOT RESIST AT ALL. MY BRAKES WERE TOTALLY INOPERABLE WITHOUT USING THE EMERGENCY BRAKE. I GOT OUT AND HAD BRAKE FLUID STREAMING OUT OF THE LINES RIGHT BELOW THE DRIVERS SEAT.

NHTSA ODI #10726465

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.