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2000 Chevrolet Silverado 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2000 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

489 reports with mileage · 125 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 237 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 162 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

69 crash reports5 fire reports25 injury reports

Service Brakes, Hydraulic complaints

237 reports
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72,500 miles · Oct 17, 2009
Service Brakes, HydraulicCrash

WAS COMING TO A STOP AT A LOW SPEED, THE ABS KEPT ACTIVATING AND PREVENTED ME FROM STOPPING MY VEHICLE. WHAT STOPPED ME WAS THE TRUCK THAT I HIT, CAUSING DAMAGE TO MY TRUCK BUT NO DAMAGE TO THE DELIVERY TRUCK. AT THAT TIME I OPENED THE HOOD ON MY TRUCK AND DISCONNECTED THE FRONT WHEEL SENSOR RENDERING MY ABS INOP. THAT'S THE WAY…

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WAS COMING TO A STOP AT A LOW SPEED, THE ABS KEPT ACTIVATING AND PREVENTED ME FROM STOPPING MY VEHICLE. WHAT STOPPED ME WAS THE TRUCK THAT I HIT, CAUSING DAMAGE TO MY TRUCK BUT NO DAMAGE TO THE DELIVERY TRUCK. AT THAT TIME I OPENED THE HOOD ON MY TRUCK AND DISCONNECTED THE FRONT WHEEL SENSOR RENDERING MY ABS INOP. THAT'S THE WAY MY ABS WILL REMAIN TILL CHEVY ADMITS THE SYSTEM HAS FLAWS AND THERE IS A RECALL. *TR

NHTSA ODI #10288793

82,923 miles · Sep 8, 2009
Service Brakes, Hydraulic

TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. THE CONTACT HAS EXPERIENCED MULTIPLE FAILURES WITH THE BRAKES SINCE 2007. WHILE ENGAGING THE BRAKES, THE BRAKE PEDAL EXTENDED TO THE FLOOR AND THE VEHICLE WOULD NOT STOP. THE CONTACT HAD TO DOWN SHIFT AND USE THE EMERGENCY BRAKE TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO TH…

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TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. THE CONTACT HAS EXPERIENCED MULTIPLE FAILURES WITH THE BRAKES SINCE 2007. WHILE ENGAGING THE BRAKES, THE BRAKE PEDAL EXTENDED TO THE FLOOR AND THE VEHICLE WOULD NOT STOP. THE CONTACT HAD TO DOWN SHIFT AND USE THE EMERGENCY BRAKE TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER AND INSPECTED WHERE IT WAS DETERMINED THAT THE BRAKE LINES WERE COVERED WITH RUST. THE VEHICLE WAS REPAIRED AT A COST OF $277.92. THE MANUFACTURER INFORMED THE CONTACT THAT NO COMPENSATION COULD BE OFFERED FOR THE FAILURE; HOWEVER, SHE WAS OFFERED FREE OIL CHANGES AND A TIRE ROTATION FOR A YEAR. THE FAILURE MILEAGE WAS 82,923 AND THE CURRENT MILEAGE WAS 90,000.

NHTSA ODI #10283143

99,500 miles · Aug 30, 2009
Service Brakes, Hydraulic

2000 CHEVROLET SILVERADO W/ 99K MILES. THE BRAKES FAILED WHILE MY WIFE WAS DRIVING. I HAD THE TRUCK TOWED HOME. UPON VISUAL INSPECTION, I FOUND THAT THE REAR STEEL BRAKE LINE HAD RUPTURED, DUE TO CORROSION (RUST). APPARENTLY, THESE ARE NOT STAINLESS STEEL LINES. THIS LINE IS LOCATED ALONG THE LEFT FRAME RAIL. ABOUT 2 INCHE…

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2000 CHEVROLET SILVERADO W/ 99K MILES. THE BRAKES FAILED WHILE MY WIFE WAS DRIVING. I HAD THE TRUCK TOWED HOME. UPON VISUAL INSPECTION, I FOUND THAT THE REAR STEEL BRAKE LINE HAD RUPTURED, DUE TO CORROSION (RUST). APPARENTLY, THESE ARE NOT STAINLESS STEEL LINES. THIS LINE IS LOCATED ALONG THE LEFT FRAME RAIL. ABOUT 2 INCHES BEFORE IT CONNECTS TO THE RUBBER BRAKE HOSE, A LARGE SECTION OF IT WAS RUSTED. A QUICK INTERNET SEARCH REVEALS THAT MANY SILVERADO OWNERS HAVE HAD THE SAME BAD EXPERIENCE. IF MY OTHER 3 VEHICLES HAD THE SAME PROBLEM, I WOULD THEN AGREE THAT IT WAS MOST LIKELY DUE TO ROAD SALT. HOWEVER, THIS IS THE ONLY VEHICLE I HAVE OWNED THAT HAS HAD THIS HAPPEN TO IT. *TR

NHTSA ODI #10282293

83,357 miles · Aug 20, 2009
Service Brakes, Hydraulic

GM REFUSES TO CORRECT ABS PROBLEM. MY 2000 CHEVY SILVERADO IS EXPERIENCING A LOW SPEED ABS BRAKE ACTIVATION WHICH CAUSES AN EXTENDED BRAKING DISTANCE. THIS VEHICLE WAS SERVED BY THE DEALER IN 2005 FOR THE RECALL (NHTSA ACTION NUMBER PE05020). THE PROBLEM HAS NOW STARTED AGAIN AND GM REFUSES TO TAKE ANY ACTION SINCE THEY SAY TH…

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GM REFUSES TO CORRECT ABS PROBLEM. MY 2000 CHEVY SILVERADO IS EXPERIENCING A LOW SPEED ABS BRAKE ACTIVATION WHICH CAUSES AN EXTENDED BRAKING DISTANCE. THIS VEHICLE WAS SERVED BY THE DEALER IN 2005 FOR THE RECALL (NHTSA ACTION NUMBER PE05020). THE PROBLEM HAS NOW STARTED AGAIN AND GM REFUSES TO TAKE ANY ACTION SINCE THEY SAY THE RECALL WAS PERFORMED ALREADY AND THAT THE VEHICLE IS OUT OF WARRANTY AT 83000 MILES. *TR

NHTSA ODI #10281224

90,000 miles · Aug 20, 2009
Service Brakes, Hydraulic

ABS SYSTEM ACTUATES DURING LOW SPEED STOPS. THIS OCCURS TO SOME EXTENT ON ALL STOPS, OCCASIONALLY TO THE POINT IT IS NOT CERTAIN THE TRUCK WILL STOP. DEALER STATES RECALL IS CLOSED. *TR

NHTSA ODI #10281204

83,000 miles · Jul 16, 2009
Service Brakes, HydraulicCrash

WE HAD TWO CRASHES LAST WINTER (MICHIGAN 2009) WHEN WE APPLIED BRAKES AND THE VEHCILE (2000 SILVERADO PICKUP) LUNGED FORWARD INSTEAD OF STOPPING. WE FIGURED THE VEHCILE SLID ON ICEY ROADS BUT IN JULY THIS YEAR WE WERE IN A PARKING LOT WHERE WE SLAMMED ON BRAKES TO AVOID HITTING A VEHICLE AND TRUCK DID NOT STOP AND KEPT ON GOING.…

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WE HAD TWO CRASHES LAST WINTER (MICHIGAN 2009) WHEN WE APPLIED BRAKES AND THE VEHCILE (2000 SILVERADO PICKUP) LUNGED FORWARD INSTEAD OF STOPPING. WE FIGURED THE VEHCILE SLID ON ICEY ROADS BUT IN JULY THIS YEAR WE WERE IN A PARKING LOT WHERE WE SLAMMED ON BRAKES TO AVOID HITTING A VEHICLE AND TRUCK DID NOT STOP AND KEPT ON GOING. WE THEN TOOK IT TO GARAGE AND THE MECHANIC PUT A NEW WHEEL BEARING (WITH WHEEL SENSOR) ON RIGHT FRONT. I NOTICED ON 8/30/2005 NHTSA CAMPAIGN NUMBER. 05V379000 THAT THERE WAS A RECALL OF 1999-2002 TRUCKS WITH THIS PROBLEM. WE ARE SO LUCKY THAT ANOTHER HUMAN BEING WAS NOT HURT IN THESE INCIDENCES. WE HAVE REPLACED 2 BUMPERS AND NOW LOOKING AT A 3RD ONE. *TR

NHTSA ODI #10277030

180,000 miles · Mar 25, 2009
Service Brakes, Hydraulic

DRIVING AT SLOW SPEEDS AND APPLYING THE BRAKE TO STOP THE PEDAL HAD A CHATTER FEEL TO IT AND THEN THE PEDAL WENT TO THE FLOOR AND I COULD NOT STOP. AT THAT TIME I HAD TO SWERVE TO AVOID HITTING THE VEHICLE IN FRONT OF ME AT THE STOP LIGHT. THIS HAS HAPPENED A FEW TIMES. THIS ALSO HAPPENED PULLING INTO A PARKING LOT AND THE TRUCK…

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DRIVING AT SLOW SPEEDS AND APPLYING THE BRAKE TO STOP THE PEDAL HAD A CHATTER FEEL TO IT AND THEN THE PEDAL WENT TO THE FLOOR AND I COULD NOT STOP. AT THAT TIME I HAD TO SWERVE TO AVOID HITTING THE VEHICLE IN FRONT OF ME AT THE STOP LIGHT. THIS HAS HAPPENED A FEW TIMES. THIS ALSO HAPPENED PULLING INTO A PARKING LOT AND THE TRUCK JUMPED THE CURB AND BENT MY PLOW MOUNT. I AM FORTUNATE TO HAVE NOT HIT THE VEHICLE OR SOMEONE OR SOMETHING ELSE. THE MOST RECENT TIME WAS 3/24/09. I TOOK IT TO THE DEALER THIS MORNING HOPING THEY CAN FIGURE OUT WHAT THE PROBLEM IS. THEY SAY IT MIGHT BE THE SPEED SENSOR, BUT IF IT SOMETHING ELSE LIKE THE ABS CONTROL MODULE THAT THING COSTS OVER $1000 PLUS LABOR MAYBE THE MANUFACTURER SHOULD LOOK INTO THIS IF THIS MIGHT ALSO HAVE A PROBLEM WITH THIS UNIT. *TR

NHTSA ODI #10263006

2,500 miles · Mar 1, 2009
Service Brakes, Hydraulic

MY TRUCK IS EXPERIENCING THE RECALL NR 05V379000 SERVICE BRAKES HYDRAULIC, ANTILOCK SYMPTOMS BUT IS NOT INCLUDED IN THE STATES AS POSTED ON THE RECALL NOTICE. I HAVE NOT REC'D A RECALL NOTICE FROM GM AS WELL. I HAVE PREVIOUSLY REPORTED THIS PROBLEM TO GM AND TOLD THEM I HAVE HAD THIS PARTICULAR PROBLEM EVER SINCE I BOUGHT THE T…

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MY TRUCK IS EXPERIENCING THE RECALL NR 05V379000 SERVICE BRAKES HYDRAULIC, ANTILOCK SYMPTOMS BUT IS NOT INCLUDED IN THE STATES AS POSTED ON THE RECALL NOTICE. I HAVE NOT REC'D A RECALL NOTICE FROM GM AS WELL. I HAVE PREVIOUSLY REPORTED THIS PROBLEM TO GM AND TOLD THEM I HAVE HAD THIS PARTICULAR PROBLEM EVER SINCE I BOUGHT THE TRUCK NEW IN 2000. THEY SAID THEY WOULD LOOK IN TO IT AND THIS HAS BEEN A FEW YEARS BACK I ALMOST WRECKED YESTERDAY TOO. *TR

NHTSA ODI #10260343

175,913 miles · Jan 28, 2009
Parking BrakeService Brakes, Hydraulic

1 = WHEN I ARRIVED AT WORK, MY RIGHT REAR WHEEL WAS SEVERELY HEATING UP CAUSING WHEEL TO SMOKE AND SMELL OF BRAKE PADS BURNING UP. 2 = FIRST TIME OCCURRENCE, NO SOUND OF INTERMEDIATE SCRAPING NOISES HEARD FROM REAR OF VEHICLE WHILE DRIVING. 3 = TOOK TRUCK TO REPAIR SHOP, THEY DETERMINED THE EMERGENCY BRAKE PADS CAME INTO CONT…

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1 = WHEN I ARRIVED AT WORK, MY RIGHT REAR WHEEL WAS SEVERELY HEATING UP CAUSING WHEEL TO SMOKE AND SMELL OF BRAKE PADS BURNING UP. 2 = FIRST TIME OCCURRENCE, NO SOUND OF INTERMEDIATE SCRAPING NOISES HEARD FROM REAR OF VEHICLE WHILE DRIVING. 3 = TOOK TRUCK TO REPAIR SHOP, THEY DETERMINED THE EMERGENCY BRAKE PADS CAME INTO CONTACT WITH PARKING BRAKE DRUMS, CAUSING HEAT BUILD UP WHICH BURNED UP THE CALIPER, BRAKE PADS AND BRAKE HOSE AND THEN TOLD ME THERE WAS A 9 PAGE SAFETY RECALL ALREADY ISSUED BY GM FOR THIS SAME EXACT PARKING BRAKE DEFECT. I TOLD THEM NOT TO REPAIR THE TRUCK. I WENT TO THE GM DEALER TO HAVE IT REPAIRED FREE. GM REFUSED TO REPAIR THE TRUCK STATING THE SAFETY RECALL (I.E. # 05042B) ONLY EFFECTED VEHICLES WITH MANUAL TRANSMISSIONS AND MY TRUCK IS AUTOMATIC. PLEASE NOTE: I USED TO BE NAISE CERTIFIED IN BRAKES. I ASKED THE SERVICE MGR WHAT DIFFERENCE IS THERE IN "ANY" OF THE BRAKE COMPONENT PART NUMBERS BETWEEN A MANUAL AND AUTOMATIC VEHICLE OF THIS SAME YEAR AND TYPE. THERE IS NO DIFFERENCE. IF I WENT TO THE AUTO PARTS STORE FOR ANY ONE OF THE EMERGENCY BRAKE COMPONENTS, BRAKE PADS, ROTORS, CALIPERS THEY WOULD NEVER ASK IF THE VEHICLE IS MANUAL OR AUTOMATIC, THEY ONLY ASK THE YEAR AND SIZE OF MOTOR. IF THE PARKING BRAKE CAN FAIL ON A MANUAL TRANSMISSION VEHICLE, AND THERE IS NOT ONE DIFFERENCE IN PART NUMBERS THEN IT CAN FAIL ON AN AUTOMATIC VEHICLE. THE GM SERVICE MANAGER AGREED BUT SAID HE COULDN'T DO ANYTHING BECAUSE THE RECALL STATES MANUAL TRANSMISSION VEHICLES. I SAID YOU KNOW IT HAS TO BE A TYPO ERROR ON THE RECALL DOCUMENT. MY AUTOMATIC VEHICLE HAD A CONTACT CONDITION BETWEEN THE PARKING BRAKE PADS AND THE PARKING BRAKE DRUMS AND MY PARKING BRAKE "WAS NOT APPLIED". THE RECALL STATES THIS IS THE ROOT CAUSE OF THE SAME IDENTICAL FAILURE ON A MANUAL TRANSMISSION VEHICLE. SAME PARTS, SAME ASSEMBLY LINE, IDENTICAL SAFETY ISSUE. *TR

NHTSA ODI #10256557

68,000 miles · Jan 22, 2009
Service Brakes, Hydraulic

HWY STOP AND GO DUE TO 3 COLLISIONS, TRAVELING BETWEEN 4 TO 10 MPH FOR APPROXIMATELY 1 HR, EXITED TO GET OUT OF TRAFFIC FOR GAS WHEN THE BRAKE WENT TO FLOOR. I PUMPED BRAKE TO NO AVAIL. I HAD NO CHOICE BUT TO CONTINUE TO TRAVEL 150 MILES ON THE HWY TO RETURN HOME TO CHILDREN. BRAKES DID NOT RETURN UNTIL EXIT HOME. I LIVE ON …

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HWY STOP AND GO DUE TO 3 COLLISIONS, TRAVELING BETWEEN 4 TO 10 MPH FOR APPROXIMATELY 1 HR, EXITED TO GET OUT OF TRAFFIC FOR GAS WHEN THE BRAKE WENT TO FLOOR. I PUMPED BRAKE TO NO AVAIL. I HAD NO CHOICE BUT TO CONTINUE TO TRAVEL 150 MILES ON THE HWY TO RETURN HOME TO CHILDREN. BRAKES DID NOT RETURN UNTIL EXIT HOME. I LIVE ON THE GULF OF MEXICO AND SAND IS EVERYWHERE AND FROM WHAT I SEE MY 2000 CHEVEROLET SILVERADO HAS A RECALL FOR CORROSION 05V37900 AND GM ID 05068B, C, BUT I DON'T LIVE IN THE "SALT BELT" AREA I LIVE IN CORPUS CHRISTI, TX. THIS HAS HAPPENED A TOTAL OF 3 TIMES IN THE LAST 1 1/2 YRS. I NOW HAVE TO DRIVE LEAVING A MINIMUM OF 3 CAR LENGTH TO ASSURE WHEN STOPPING ITS GOING TO. I HAVE HAD IT CHECK W/BRAKE CHECK WHO STATES THEY THINK IT IS A VAPOR LOCK, PUT EVERYTHING AT THE TIME CHECK OUT FINE, BUT WAS TOLD TO BRING IT BACK IF IT HAPPENS AGAIN. I GOOGLED THE PROBLEM ON LINE WHEN I FOUND THAT A RECALL WAS IN EFFECT, BUT I WAS NOT NOTIFIED OF IT DUE TO MY LOCATION. I HAVE SCHEDULED AN APPT W/ CHAMPION CHEVERLOT HERE IN CORPUS CHRISTI, TX, BUT HAVE BEEN TOLD I HAVE TO PAY FOR A DIAGNOSTIC TESTING OF $93.00, WHEN I DON'T WANT IT TESTED I WANT THIS PARTICULAR ITEM TO BE INSPECTED AND CORRECTED IF NECESSARY UNDER THE RECALL DUE TO CORROSION FROM LIVING ON THE COAST. THE OTHER INSTANCE WAS AGAIN AFTER SEVERAL SLOW STARTS AND STOPS. I TUNED OFF TRUCK AND WHEN I WENT TO START AND PLACE IN GEAR, THE BRAKES WENT STRAIGHT TO THE FLOOR, IT SEEMS LIKE SOMETHING ISN'T RELEASING IN THE BRAKES, PUMP THEM GET VERY LITTLE PRESSURE, THEN ALL OF A SUDDEN THERE BACK IN FULL STRENGTH, IT IS VERY FRIGHTFUL. *TR

NHTSA ODI #10256023

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.