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2001 Chevrolet Silverado 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2001 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.

About this comparison →

When problems were reported

Mileage at the reported incident

385 reports with mileage · 83 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, Hydraulic. Review the 147 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 133 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

48 crash reports5 fire reports20 injury reports

What owners actually said

468 reports
Mileage unknown · Jun 17, 2014
Air BagsSteeringStructureCrashInjury

SOMEONE RAN A RED LIGHT AND CREAMED INTO US AT ABOUT 50-55 MPH. THE IMPACT AREA WAS THE PASSENGER WHEEL WELL AREA AND THE IMPACT WAS SO VIOLENT THAT IT SMASHED EVERYTHING OVER AND INCLUDING THE STARTER... OUR AIR BAGS DID NOT DEPLOY AND I ALWAYS WONDERED IF IT WAS BECAUSE THE CRASH SMASHED THE STARTER AND HAD SOMETHING TO DO …

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SOMEONE RAN A RED LIGHT AND CREAMED INTO US AT ABOUT 50-55 MPH. THE IMPACT AREA WAS THE PASSENGER WHEEL WELL AREA AND THE IMPACT WAS SO VIOLENT THAT IT SMASHED EVERYTHING OVER AND INCLUDING THE STARTER... OUR AIR BAGS DID NOT DEPLOY AND I ALWAYS WONDERED IF IT WAS BECAUSE THE CRASH SMASHED THE STARTER AND HAD SOMETHING TO DO WITH THE GM RECALLS NOW. BOTH MY SON AND I HAVE NEVER BEEN THE SAME AFTER THAT CRASH AND NEITHER OF US CAN EVEN SLEEP IN A BED FROM NECK AND BACK PAIN... WE BOTH HAD BRAIN INJURIES AND MINE WAS RATHER SEVERE WHERE I LOST MY SUPERIOR INTELLIGENCE AND PHOTOGRAPHIC MEMORY...AND HAD SEVERE LANGUAGE AND SPEECH PROBLEMS... IT WAS ALMOST LIKE I WAS DYSLEXIC AND I HAVE NEVER BEEN THE SAME. BOTH OUR HEALTH DETERIORATED SINCE... I WAS TOLD 'OUR AIR BAGS WOULD HAVE DEPLOYED' IF IT WOULD HAVE BEEN A HARD IMPACT (WHICH IT WAS), SINCE THE MAN'S CAR WAS TOTALED FOR HOW HE HIT US WITHOUT EVER BRAKING OR SLOWING DOWN... SINCE THE IMPACT WAS THE PASSENGER WHEEL WELL AREA AND CORNER BUMPER CLEAR OVER TO THE DRIVER SIDE AND EVEN BROKE THE STARTER, I WONDER IF THE IGNITION DID SOMETHING TO MAKE THE AIR BAGS NOT DEPLOY. I ALWAYS FELT THERE WAS MORE TO THIS ACCIDENT, BUT NO ONE WOULD DO ANYTHING FOR US. NOW WITH ALL THESE GM RECALLS, I WONDER IF THERE WAS AN ISSUE WITH THIS ACCIDENT. CAN SOMEONE PLEASE LET ME KNOW IF OUR AIRBAGS SHOULD HAVE DEPLOYED WITH SUCH A VIOLENT CRASH AND IF WHEN THE CRASH BROKE THE STARTER IF IT COULD HAVE PREVENTED THE AIR BAGS FROM DEPLOYING? THANK YOU SO VERY MUCH. *TR

NHTSA ODI #10598990

196,000 miles · Jun 9, 2014
Service Brakes

AFTER RETURNING TO THE TRUCK FROM AN ERRAND I STARTED THE ENGINE AND, UPON DEPRESSING THE BRAKE PEDAL IN ORDER TO PUT THE VEHICLE IN GEAR, THE BRAKE PEDAL WENT TO THE FLOOR. NO WARNING LAMPS OF ANY SORT WERE ILLUMINATED PRIOR TO THE BRAKE PEDAL GOING TO THE FLOOR. PUMPING OF THE PEDAL DID NOT PRODUCE ANY RESISTANCE. AFTER A FEW …

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AFTER RETURNING TO THE TRUCK FROM AN ERRAND I STARTED THE ENGINE AND, UPON DEPRESSING THE BRAKE PEDAL IN ORDER TO PUT THE VEHICLE IN GEAR, THE BRAKE PEDAL WENT TO THE FLOOR. NO WARNING LAMPS OF ANY SORT WERE ILLUMINATED PRIOR TO THE BRAKE PEDAL GOING TO THE FLOOR. PUMPING OF THE PEDAL DID NOT PRODUCE ANY RESISTANCE. AFTER A FEW MINUTES THE BRAKE FLUID LEVEL WARNING LAMP CAME ON. BRAKE FLUID WAS ADDED BUT DID NOT RESULT IN ANY RESISTANCE FROM THE PEDAL. HAD TO HAVE THE TRUCK TOWED HOME WHERE IT THEN SAT OVER-NIGHT. I OBSERVED A LARGE WET SPOT ON THE DRIVEWAY JUST BELOW THE DRIVER?S SIDE DOOR. I LOOKED UNDERNEATH AND SAW THAT ALL OF THE BRAKE LINES GOING INTO OR OUT OF THE ABS MODULE WERE SEVERELY CORRODED AND AT LEAST ONE HAD OBVIOUSLY BEEN LEAKING BRAKE FLUID. THE TRUCK WAS TOWED TO A CHEVROLET DEALER. I ARRIVED AS THEY WERE RAISING THE TRUCK ON A LIFT. EVIDENTLY THEY ALSO ADDED SOME BRAKE FLUID BECAUSE QUITE A LARGE PUDDLE WAS FORMING ON THE SHOP FLOOR BELOW WHERE THE BRAKE LINES ENTER THE ABS MODULE. THE TECHNICIAN, THE SERVICE CONSULTANT, AND I ALL OBSERVED THE RUSTED BRAKE LINES, AND FLUID WAS LITERALLY DRIPPING FROM ONE THAT HAD OBVIOUSLY BURST. THE DEALER ADVISED THAT GM DOES NOT MAKE REPLACEMENT STEEL BRAKE LINES SO ALL THE LINES WOULD NEED TO BE HAND FABRICATED BY THE TECHNICIAN. DEALER ALSO ADVISED THAT THE ABS MODULE MAY HAVE TO BE REPLACED BECAUSE OF HOW CORRODED THE BRAKE LINE FITTINGS ARE (FITTINGS ARE STEEL, ABS MODULE IS ALUMINUM) WHERE THEY SCREW INTO THE MODULE. WE ALSO OBSERVED THAT THE FUEL LINES WERE SEVERELY CORRODED. I HAVE OWNED MANY VEHICLES FAR OLDER AND WITH FAR MORE MILEAGE AND HAVE NEVER HAD TO REPLACE THE STEEL BRAKE LINES. I BELIEVE THE DESIGN IS FLAWED (THE ROUTING AND PLACEMENT OF LINES AND MODULE) OR THE BRAKE LINE MATERIAL (STEEL, INSTEAD OF STAINLESS STEEL) IS INSUFFICIENT. *TR

NHTSA ODI #10597017

106,000 miles · May 28, 2014
Service Brakes

BRAKE LINES ARE EXTREMELY CORRODED. THESE COULD RUPTURE AT ANY TIME WITH NO WARNING. CONTACTED GM WAS TOLD SINCE VEHICLE IS OUT OF WARRANTY THEY ARE NOT RESPONSIBLE. I HAVE OTHER CARS/TRUCKS THAT ARE OLDER AND HAVE NO BRAKE LINE CORROSION. THIS SHOULD REQUIRE A RECALL IMMEDIATELY BEFORE THERE ARE DEATHS FROM THESE INFERIOR BRAKE…

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BRAKE LINES ARE EXTREMELY CORRODED. THESE COULD RUPTURE AT ANY TIME WITH NO WARNING. CONTACTED GM WAS TOLD SINCE VEHICLE IS OUT OF WARRANTY THEY ARE NOT RESPONSIBLE. I HAVE OTHER CARS/TRUCKS THAT ARE OLDER AND HAVE NO BRAKE LINE CORROSION. THIS SHOULD REQUIRE A RECALL IMMEDIATELY BEFORE THERE ARE DEATHS FROM THESE INFERIOR BRAKE LINES. *TR

NHTSA ODI #10594473

90,000 miles · May 27, 2014
Service Brakes

I HAVE A 2001 CHEVY SILVERADO 1500 EXTENDED CAB PICKUP TRUCK THAT I PURCHASED NEW. A NUMBER OF YEARS AGO THERE WAS A RECALL FOR ANTILOCK BRAKES IN RUST BELT STATES. SUPPOSEDLY THE SENSORS WERE DIRTY AND NEEDED TO BE CLEANED. WISCONSIN WAS INITIALLY NOT A RUST BELT STATE BUT EVENTUALLY WAS INCLUDED. PRIOR TO ITS INCLUSION MY A…

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I HAVE A 2001 CHEVY SILVERADO 1500 EXTENDED CAB PICKUP TRUCK THAT I PURCHASED NEW. A NUMBER OF YEARS AGO THERE WAS A RECALL FOR ANTILOCK BRAKES IN RUST BELT STATES. SUPPOSEDLY THE SENSORS WERE DIRTY AND NEEDED TO BE CLEANED. WISCONSIN WAS INITIALLY NOT A RUST BELT STATE BUT EVENTUALLY WAS INCLUDED. PRIOR TO ITS INCLUSION MY ANTILOCK BRAKES WERE MALFUNCTIONING ON A REGULAR BASIS AND CAUSED THREE NEAR MISS ACCIDENTS BEFORE I PULLED THE FUSE TO CUT POWER TO THE SYSTEM. AFTER WISCONSIN WAS INCLUDED I TOOK MY CAR IN - THE SENSORS HAD RUSTED AWAY TO NON EXISTENCE. THEY REPLACED THE SENSORS. ABOUT 9 MONTHS AGO THE TRUCK BEGAN TO EXHIBIT THE SAME FAILURES CAUSING MORE NEAR MISSES. I CONTACTED GM. THEY REFUSE THE REPAIR IT A SECOND TIME. SO I HAVE DISABLED ANTILOCK BRAKES AGAIN. I THINK GM SHOULD BE MADE TO REPLACE THEIR SENSORS AND THEY SHOULD BE DESIGNING SENSORS THAT DON'T RUST AWAY. *TR

NHTSA ODI #10594403

68,400 miles · May 15, 2014
Fuel/propulsion System

FIRST INCIDENT OF THE FUEL SENSOR FAILING (LOW FUEL LIGHT AND FUEL GAUGE INDICATOR FALSE) WAS AT 68,400 MILES. 2ND TIME FAILED ON 04/16/2011 AT 98,500 MILES WHICH COSTS ME ANOTHER 800.00 BUCKS. THIS IS THE 3RD TIME ITS STARTING TO ACT UP AGAIN AT 118,300 MILES, AND WILL PROBABLY COST ME AGAIN!! I CAN SEE IT HAPPENING ONCE, BU…

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FIRST INCIDENT OF THE FUEL SENSOR FAILING (LOW FUEL LIGHT AND FUEL GAUGE INDICATOR FALSE) WAS AT 68,400 MILES. 2ND TIME FAILED ON 04/16/2011 AT 98,500 MILES WHICH COSTS ME ANOTHER 800.00 BUCKS. THIS IS THE 3RD TIME ITS STARTING TO ACT UP AGAIN AT 118,300 MILES, AND WILL PROBABLY COST ME AGAIN!! I CAN SEE IT HAPPENING ONCE, BUT NOT UNDERSTAND HOW IT CAN HAPPEN 3 TIMES THAT IS RIDICULOUS, NOT TO MENTION THE EXPENSE! CHEVROLET SHOULD HAVE HAD SOME TYPE OF RECALL ON THIS OR LEAST FIGURE OUT WHAT IS CAUSING THE PROBLEM. THERE IS NO DOUBT IN MY MIND THIS IS A DEFECT WITH THE PART AND VERY EXPENSIVE TO REPAIR. I HAVE RESEARCHED THIS PROBLEM AND IT SEEMS A LOT OF PEOPLE HAVE EXPERIENCED THIS ISSUE. THIS ISSUE COULD BE DANGEROUS AND PEOPLE HAVE LITTLE CHOICE FOR SAFETY REASONS BUT TO CORRECT THIS PROBLEM AT GREAT EXPENSE. THIS NEEDS A RECALL ..NOT EVERYONE HAS $800.00 LAYING AROUND AND GM SHOULD FIX THIS FOR FREE ESPECIALLY WHEN IT HAPPENS A 2ND, 3RD TIME! COME ON GM YOUR REP IS ON THE LINE.. *TR

NHTSA ODI #10588521

123,000 miles · May 13, 2014
Service Brakes

STARTED TO LEAVE DRIVEWAY AND BRAKE PEDAL WENT TO FLOOR WITH NO CONTROL. MANAGED TO COAST TO STOP AND PUSHED TRUCK BACK TO GARAGE. *TR

NHTSA ODI #10588030

Mileage unknown · May 6, 2014
Fuel/propulsion System

TL* THE CONTACT OWNS A 2001 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE TRAVELING AT AN UNKNOWN SPEED, THE FUEL GAUGE SHOWED AN ERRONEOUS READING OF EMPTY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DETERMINED THAT THE FUEL SENSING UNIT HAD FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED. T…

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TL* THE CONTACT OWNS A 2001 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE TRAVELING AT AN UNKNOWN SPEED, THE FUEL GAUGE SHOWED AN ERRONEOUS READING OF EMPTY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DETERMINED THAT THE FUEL SENSING UNIT HAD FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED. THE FAILURE MILEAGE WAS NOT AVAILABLE AND THE CURRENT MILEAGE WAS 200,000. UPDATED 06/27/14*LJ UPDATED 8/23/2017*CN

NHTSA ODI #10586843

50 miles · May 5, 2014
Electrical SystemFuel System, Gasoline

IN ABOUT 2006, THE FUEL GAUGE IN MY HUSBAND'S TRUCK STOPPED FUNCTIONING. IT SHOWED EMPTY WHEN TANK WAS FULL. NO RECALL NOTICE WAS ISSUED TO US. WHEN HE HAD DIAGNOSED, THE DIAGNOSIS WAS A BAD CHIP OR ELECTRICAL PROBLEM, OR SWITCH. IT WOULD BE EXPENSIVE TO FIX.AT THIS TIME I WAS DIAGNOSED WITH BREAST CANCER & UNDERWENT SURGERY $ M…

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IN ABOUT 2006, THE FUEL GAUGE IN MY HUSBAND'S TRUCK STOPPED FUNCTIONING. IT SHOWED EMPTY WHEN TANK WAS FULL. NO RECALL NOTICE WAS ISSUED TO US. WHEN HE HAD DIAGNOSED, THE DIAGNOSIS WAS A BAD CHIP OR ELECTRICAL PROBLEM, OR SWITCH. IT WOULD BE EXPENSIVE TO FIX.AT THIS TIME I WAS DIAGNOSED WITH BREAST CANCER & UNDERWENT SURGERY $ MOS. OF CHEMO. MY HUSBAND,MILITARY RETIREE, STAYED WITH ME IN HOSPITAL. AFTER MY CHEMO, HE HAD BOTH HIPS REPLACED AND WAS BEING TREATED UNTIL 2013 FOR SPINAL INJECTIONS. IN JULY 2013, HE WAS DIAGNOSED WITH STAGE 4 CANCER & PASSED AWAY IN AUGUST. IN THE MEANTIME, WHEN HE DROVE THE TRUCK HE RECORDED MILEAGE AFTER A FILL IN ORDER TO KEEP TRACK OF AMT. OF FUEL.I ALWAYS WORRIED ABOUT THIS AS BEING NON-SAFE, BUT HE COULD ONLY GET INTO A TRUCK BECAUSE OF HIS MEDICAL CONDITION, SO OUR CHOICES WERE LIMITED.NOW AFTER HIS PASSING, THE TRUCK IS IN MY NAME BUT I DO NOT DRIVE IT BECAUSE I AM AFRAID FOR MY SAFETY BECAUSE OF THE DEFECT.I AM STILL UNDER THE CARE OF AN ONCOLOGIST AND NEED THE TRUCK AT THIS TIME. ARE YOU ABLE TO HELP WITH THIS PROBLEM? IT WOULD RELIEVE THE STRESS & GIVE ME PEACE OF MIND REGARDING MY SAFETY. I AWAIT YOUR RESPONSE. I WAS REFERRED TO YOU BY THE NHTSA. *TR

NHTSA ODI #10586634

79,061 miles · May 3, 2014
StructureSuspension

I BROUGHT MY 2001 CHEVY SILVERADO IN FOR IT'S ANNUAL INSPECTION, I WAS TOLD THAT THE TRUCK DID NOT PASS INSPECTION AS THE FRAME WAS ALL RUSTED OUT, THE REST OF THE TRUCK LOOKS LIKE IT IS ONLY A FEW YEARS OLD AND OTHER THAN THE REAR BUMPER, IT DOESN'T HAVE ANY RUST ON IT, AS I HAVE TAKE WELL CARE OF IT SINCE I PURCHASED IT NEW; …

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I BROUGHT MY 2001 CHEVY SILVERADO IN FOR IT'S ANNUAL INSPECTION, I WAS TOLD THAT THE TRUCK DID NOT PASS INSPECTION AS THE FRAME WAS ALL RUSTED OUT, THE REST OF THE TRUCK LOOKS LIKE IT IS ONLY A FEW YEARS OLD AND OTHER THAN THE REAR BUMPER, IT DOESN'T HAVE ANY RUST ON IT, AS I HAVE TAKE WELL CARE OF IT SINCE I PURCHASED IT NEW; A FEW YEARS BACK, I NEEDED TO GET ALL THE BREAK SENSORS REPLACED, HAD TO REPLACE ALL THE BREAK LINES, AND REPLACE 2 OF THE BRAKE ROTORS AND DISK, DUE TO RUST. WHEN I CHECKED AROUND FOR A NEW FRAME, I WAS TOLD THAT THIS IS VERY COMMON FOR GM TRUCKS BUILT AROUND 2001. I CANNOT AFFORD TO BUY A NEW TRUCK OR PAY THE APPROX. $7,000 COST OF PUTTING A NEW FRAME UNDER MY TRUCK. I THINK THAT DUE TO ALL THE PROBLEMS WITH THIS PARTICULAR MODEL YEAR, GM SHOULD ISSUE A RECALL TO REPLACE THE FRAMES, AND REIMBURSE. *TR

NHTSA ODI #10586308

132,000 miles · Apr 26, 2014
Service Brakes

UPON SLOWING DOWN NEAR MY HOUSE THE BRAKE PEDAL ALMOST TRAVELED TO THE FLOOR. I WAS ABLE TO PULL INTO THE DRIVEWAY WITHOUT HITTING ANYTHING AND I USED MY EMERGENCY BRAKE TO HOLD THE TRUCK IN PLACE WHILE I PLACED THE TRUCK IN PARK. I PUMPED THE BRAKE PEDAL AND FLUID WAS POURING OUT OF ONE OF THE BRAKE LINES. THE BRAKE LINES ARE…

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UPON SLOWING DOWN NEAR MY HOUSE THE BRAKE PEDAL ALMOST TRAVELED TO THE FLOOR. I WAS ABLE TO PULL INTO THE DRIVEWAY WITHOUT HITTING ANYTHING AND I USED MY EMERGENCY BRAKE TO HOLD THE TRUCK IN PLACE WHILE I PLACED THE TRUCK IN PARK. I PUMPED THE BRAKE PEDAL AND FLUID WAS POURING OUT OF ONE OF THE BRAKE LINES. THE BRAKE LINES ARE SEVERELY RUSTED OUT AS WERE THE FUEL LINES I HAD REPLACED IN THE PAST. *TR

NHTSA ODI #10585076

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.