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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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Mileage unknown · Apr 4, 2012
Service Brakes, HydraulicStructure

THE REAR BRAKE LINES STARTED TO RUST OUT ON 2005 CAUSING THE BRAKES TO FAIL, IN 2009 ALL OF THE BRAKE LINES RUSTED OUT CAUSING BRAKE FAILURE, NO ACCIDENT. I REPLACED AT THE BRAKE LINES MYSELF. *TR THE REAR FRAME RAILS ARE RUSTING AND HOLES HAVE DEVELOPED IN THE FRAME.

NHTSA ODI #10454171

112,047 miles · Mar 25, 2012
Service Brakes, Hydraulic

1. 8/27/2008 BRAKES FAILED DURING SUDDEN STOP WHILE TOWING TRAILER. ACCIDENT NARROWLY AVOIDED. FAULT: BURST BRAKE LINE. HAD BAD LINE REPLACED. 2. 3/5/2012 BRAKES FAILED. FAULT: BURST BRAKE LINE. HAD ALL LINES REPLACED. *TR

NHTSA ODI #10452897

70,000 miles · Mar 20, 2012
Service Brakes, Hydraulic

APPLIED THE BRAKES AT A TRAFFIC LIGHT AND THE PEDAL HIT THE FLOOR. ON INSPECTION I COULD SEE FLUID LEAKING FROM THE BRAKE LINE. TOOK IT TO THE CHEVY DEALER WHO TELLS ME ALL OF THE BRAKE LINES NEED TO BE REPLACED DUE TO RUST, AS WELL AS THE ABS AND CALIPER. I HAD THE ABS SENSORS REPLACED 2-3 YEARS AGO DUE TO RUST, AT A SERVICE…

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APPLIED THE BRAKES AT A TRAFFIC LIGHT AND THE PEDAL HIT THE FLOOR. ON INSPECTION I COULD SEE FLUID LEAKING FROM THE BRAKE LINE. TOOK IT TO THE CHEVY DEALER WHO TELLS ME ALL OF THE BRAKE LINES NEED TO BE REPLACED DUE TO RUST, AS WELL AS THE ABS AND CALIPER. I HAD THE ABS SENSORS REPLACED 2-3 YEARS AGO DUE TO RUST, AT A SERVICE CENTER NOT AT THE DEALER, AND NOW THE REPLACEMENT ONES ARE BAD. SO I'M THINKING GM IS USING SUBSTANDARD PARTS AND REPLACEMENT PARTS ARE EVEN MORE SUBSTANDARD. THE ABS SENSORS WERE ALREADY UNDER RECALL, I HAVING NOT UNDERSTOOD HOW RECALLS WORKED TOOK THE TRUCK IN FOR THE REPAIRS AFTER RECEIVING NOTICE OF A RECALL, BEFORE EXPERIENCING PROBLEMS. SO WHEN I DID HAVE PROBLEMS THE RECALL REPAIRS WERE ALREADY EXHAUSTED; I INQUIRED WHAT THE DEALER DID WHEN I TOOK IT TO THEM FOR RECALL; THE DEALER TOLD ME THE CLEANED THE ABS SENSORS TO SATISFY THE RECALL ORDER. SO 2-3 YEARS AGO I HAD THEM REPLACED WHEN THEY DID RUST AND FAIL, NOW THEY ARE ACTING UP AGAIN AND NEED TO BE REPLACED. SO NOW THEY WANT $3,200 TO REPLACE BRAKE LINES, CALIPER AND ABS. *KB

NHTSA ODI #10452343

190,000 miles · Mar 17, 2012
Service Brakes, Hydraulic

MY 2000 CHEVROLET SILVERADO BRAKE LINE RUSTED OUT, ALSO ONE OF MY GAS TANK STRAPS RUSTED AWAY, MY SPARE TIRE HOLDER RUSTED AWAY. BUT THE WORST THING IS MY REAR FRAME IS TOTALLY RUSTED AWAY!! A TRUCK ONLY 12 YRS OLD SHOULD NOT HAVE THE FRAME RUST AWAY, THAT IS POOR QUALITY,AND A SAFETY ISSUE. SOME THING SHOULD BE DONE ABOUT THIS …

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MY 2000 CHEVROLET SILVERADO BRAKE LINE RUSTED OUT, ALSO ONE OF MY GAS TANK STRAPS RUSTED AWAY, MY SPARE TIRE HOLDER RUSTED AWAY. BUT THE WORST THING IS MY REAR FRAME IS TOTALLY RUSTED AWAY!! A TRUCK ONLY 12 YRS OLD SHOULD NOT HAVE THE FRAME RUST AWAY, THAT IS POOR QUALITY,AND A SAFETY ISSUE. SOME THING SHOULD BE DONE ABOUT THIS ASAP... *TR

NHTSA ODI #10452065

184,000 miles · Mar 13, 2012
Service Brakes, Hydraulic

THE BRAKE LINE RUNNING FROM ABS UNIT TO REAR OF TRUCK RUPTURED IN A PARKING LOT IN JULY OF 2010. SEVERAL MONTHS LATER, IN DECEMBER OF 2010, BOTH BRAKE LINES RUNNING FROM MASTER CYLINDER TO ABS UNIT RUPTURED WHEN BACKING OUT OF MY DRIVEWAY. I NOTICED THE FRONT BRAKE LINES GOING FROM ABS UNIT TO EACH FRONT CALIPER WERE CORRODED …

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THE BRAKE LINE RUNNING FROM ABS UNIT TO REAR OF TRUCK RUPTURED IN A PARKING LOT IN JULY OF 2010. SEVERAL MONTHS LATER, IN DECEMBER OF 2010, BOTH BRAKE LINES RUNNING FROM MASTER CYLINDER TO ABS UNIT RUPTURED WHEN BACKING OUT OF MY DRIVEWAY. I NOTICED THE FRONT BRAKE LINES GOING FROM ABS UNIT TO EACH FRONT CALIPER WERE CORRODED IN EARLY MARCH 2012 AND REPLACED BEFORE THEY COULD RUPTURE. IT'S A GOOD THING I REPLACED THEM BECAUSE BARELY MOVING THE LINES RESULTED IN RUPTURES IN BOTH LINES BEFORE THEY COULD BE UNTHREADED TO BE REPLACED. THANKFULLY NONE OF THE RUPTURES RESULTED IN AN ACCIDENT. *TR

NHTSA ODI #10451465

49,259 miles · Mar 4, 2012
Service Brakes, Hydraulic

WHILE GOING DOWN MY DRIVEWAY I HIT THE BRAKES AND THE PEDAL WENT TO THE FLOOR.I BACKED IT BACK INTO THE GARAGE AND FOUND THE LINES ON THE REAR DIFFERENTIAL WERE ROTTED AND LEAKING. I REPLACED THEM BUT JUST GOT MY TRUCK INSPECTED AND WAS TOLD I WOULD HAVE TO HAVE THE REST OF THE LINES REPLACED SOON AS THEY ARE RUSTED VERY BAD AND…

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WHILE GOING DOWN MY DRIVEWAY I HIT THE BRAKES AND THE PEDAL WENT TO THE FLOOR.I BACKED IT BACK INTO THE GARAGE AND FOUND THE LINES ON THE REAR DIFFERENTIAL WERE ROTTED AND LEAKING. I REPLACED THEM BUT JUST GOT MY TRUCK INSPECTED AND WAS TOLD I WOULD HAVE TO HAVE THE REST OF THE LINES REPLACED SOON AS THEY ARE RUSTED VERY BAD AND COULD GO AT ANYTIME.THIS TRUCK HAS BEEN GARAGE KEPT SINCE I BOUGHT IT IN 2003 WITH 17000 MILES ON IT. IT NOW HAS ONLY 51000 MILES ON IT. *TR

NHTSA ODI #10450195

30,026 miles · Mar 1, 2012
Service Brakes, HydraulicCrash

FOR ABOUT 4 MONTHS WE HAVE BEEN HAVING A PROBLEM WITH THIS TRUCK STOPPING AT LOW SPEEDS. IT SEEMS LIKE THE ANTILOCK BRAKE KICKS IN, BUT THE PAVEMENT IS DRY AND THE TRUCK JUST KEEPS GOING, THE BRAKE PEDAL GOES DOWN AND YOU PRAY THAT YOU WILL STOP BEFORE YOU HIT SOMETHING OR SOMEONE! AFTER THIS HAPPENED TO US 3 OR 4 TIMES WE LEAR…

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FOR ABOUT 4 MONTHS WE HAVE BEEN HAVING A PROBLEM WITH THIS TRUCK STOPPING AT LOW SPEEDS. IT SEEMS LIKE THE ANTILOCK BRAKE KICKS IN, BUT THE PAVEMENT IS DRY AND THE TRUCK JUST KEEPS GOING, THE BRAKE PEDAL GOES DOWN AND YOU PRAY THAT YOU WILL STOP BEFORE YOU HIT SOMETHING OR SOMEONE! AFTER THIS HAPPENED TO US 3 OR 4 TIMES WE LEARNED TO BE VERY CAUTIOUS ON THE ROAD AND SLOWED WAY DOWN BEFORE COMING TO A STOP SO WE WOULD BE ABLE TO STOP, JUST IN CASE THIS WERE TO OCCUR. (IT DID NOT ALWAYS HAPPEN, ONLY WHEN IT FELT LIKE IT) HOWEVER, WERE ALWAYS WONDERED WHAT WOULD HAPPEN IF WE HAD TO STOP ALL OF A SUDDEN FOR AN EMERGENCY. LUCKY THAT NEVER HAPPENED. THE LAST TIME MY WIFE CAME IN THE DRIVEWAY AND CAME WITHIN INCHES OF HITTING OUR GARAGE DOOR, THAT WAS IT! THE TRUCK HAS BEEN PARKED FOR THE PAST 2 MONTHS. WE ARE AFRAID TO DRIVE IT. ABOUT 1 1/2 WEEKS AGO MY WIFE TYPED IN "2000 SILVERADO BRAKE PROBLEMS" ON THE COMPUTER AND WE WERE AMAZED TO PULL UP 59 PAGES OF COMPLAINTS FROM CONSUMERS WITH SIMILAR PROBLEMS OF 1999 TO 2006 SILVERADO AND GMC SIERRA WHICH ARE BEING INVESTIGATED BY YOUR OFFICE ALREADY. THAT IS WHEN WE PUT 2 AND 2 TOGETHER WITH THE COMPLAINTS OF THE BRAKELINES RUPTURING UPON QUICK HEAVY BRAKING, AS WAS IN MANY COMPLAINTS ALSO, THAT MAY HAVE BEEN THE REASON THAT OUR SON HAD THE ACCIDENT WITH THIS TRUCK IN SEPT. OF 2010. HE WAS DRIVING IN VERY HEAVY TRAFFIC ON THE INTERSTATE IN A CONSTRUCTION ZONE, CRAWLING ALONG, WHEN SOMEONE HAD PULLED IN FRONT OF HIM AND HE HAD TO SLAM ON HIS BRAKE - HIS BRAKES FAILED BECAUSE OF THE LINE BURSTING AND HE HIT AN EXPENSIVE TRAFFIC INFO SIGN AND DID $4000 DAMAGE TO OUR TRUCK. HE CHOSE TO GO FOR THE SIGN INSTEAD OF INTO ANOTHER VEHICLE AND PROBABLY KILLING SOMEONE. THEN WE CALLED OUR CHEVY. DEALER, $110 TO DIAGNOSE, THEN GM AND THEY REFUSE TO HELP US UNTIL WE TAKE IT IN AND PAY FOR A DIAGNOSIS. *TR

NHTSA ODI #10449978

110,000 miles · Jan 11, 2012
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE ABS BRAKING SYSTEM FAILED. THE BRAKES WOULD SPORADICALLY PULSATE WHEN DEPRESSED AND INTERMITTENTLY, WOULD CAUSE A DRASTIC INCREASE IN STOPPING DISTANCE AND TIME. THE CONTACT STATED THAT WHEN THE FAILURE OCCURRED, THE ABS SENSOR WOULD ACTIVATE AS IF…

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TL* THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE ABS BRAKING SYSTEM FAILED. THE BRAKES WOULD SPORADICALLY PULSATE WHEN DEPRESSED AND INTERMITTENTLY, WOULD CAUSE A DRASTIC INCREASE IN STOPPING DISTANCE AND TIME. THE CONTACT STATED THAT WHEN THE FAILURE OCCURRED, THE ABS SENSOR WOULD ACTIVATE AS IF THE CONTACT WAS DRIVING ON WET ROADWAYS. THE VEHICLE WAS REPAIRED IN 2005 UNDER NHTSA CAMPAIGN ID NUMBER: 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK). THE CONTACT DISCONNECTED THE ABS FUSE TO USE THE MANUAL BRAKING SYSTEM BECAUSE CLEANING OF THE WHEEL SPEED SENSOR MOUNTING SURFACE ON THE BEARINGS DID NOT WORK. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHO INSPECTED THE BRAKE AND ADVISED THE CONTACT THAT THE VEHICLE WAS ALREADY REPAIRED IN 2005 AND OFFERED NO FURTHER ASSISTANCE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE WHO INFORMED THE CONTACT TO TAKE THE VEHICLE BACK TO THE DEALER FOR FURTHER INSPECTION AND REPAIRS TO THE BRAKES. THEY OFFERED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS 110,000.

NHTSA ODI #10443400

234,740 miles · Dec 20, 2011
Service Brakes, Hydraulic

APPROACHING A STOP LIGHT AS IT TURNED YELLOW I APPLIED THE BRAKE AND FELT THE BRAKE PEDAL GO TO THE FLOOR. THERE WAS NOT BRAKES, AFTER PUMPING THE BRAKES I DID SLOW DOWN, BUT I PROCEEDED THROUGH THE LIGHT (WHICH WAS RED NOW.) WITH MY YELLOW FLASHING LIGHT ON. I THEN PROCEEDED TO THE NEXT SAFE ZONE TO PULL OVER AND ASSESS THE BRA…

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APPROACHING A STOP LIGHT AS IT TURNED YELLOW I APPLIED THE BRAKE AND FELT THE BRAKE PEDAL GO TO THE FLOOR. THERE WAS NOT BRAKES, AFTER PUMPING THE BRAKES I DID SLOW DOWN, BUT I PROCEEDED THROUGH THE LIGHT (WHICH WAS RED NOW.) WITH MY YELLOW FLASHING LIGHT ON. I THEN PROCEEDED TO THE NEXT SAFE ZONE TO PULL OVER AND ASSESS THE BRAKES. FOUND A BROKEN BRAKE LINE UNDER DRIVER SEAT ON TOP OF FRAME RAIL. *TR

NHTSA ODI #10440639

215,000 miles · Dec 16, 2011
Service Brakes, Hydraulic

MY 2000 CHEVY SILVERADO ABS IS BEING ACTIVATED AT LOW SPEEDS WHEN SLOWING DOWN TO A STOP AND IT IS ALSO BEING ACTIVATED WHEN COMING TO A SLOW TURN INTO A PARKING SPOT. THIS IS VERY DANGEROUS AS I HAVE HAD SEVERAL CLOSE CALLS OF ALMOST CRASHING INTO BUILDINGS OR OTHER VEHICLES AS THIS PROBLEM IS CAUSING BRAKE FAILURE! I EXPERIENC…

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MY 2000 CHEVY SILVERADO ABS IS BEING ACTIVATED AT LOW SPEEDS WHEN SLOWING DOWN TO A STOP AND IT IS ALSO BEING ACTIVATED WHEN COMING TO A SLOW TURN INTO A PARKING SPOT. THIS IS VERY DANGEROUS AS I HAVE HAD SEVERAL CLOSE CALLS OF ALMOST CRASHING INTO BUILDINGS OR OTHER VEHICLES AS THIS PROBLEM IS CAUSING BRAKE FAILURE! I EXPERIENCED PRESSURE AND SLIGHT JERKING THEN COMPLETE FAILURE AS THE BRAKE HIT THE FLOOR CAUSING COMPLETE LOSS OF CONTROL! I HAVE HAD 2 SEPARATE MECHANICS DIAGNOSE THIS PROBLEM AND BOTH DO NOT FIND ANYTHING MECHANICALLY WRONG WITH IT AND NO DASH SENSORS INDICATED OR ERROR CODES FOUND. ONE MECHANIC CHECKED THE WHEEL SPEED SENSORS AND NO ERROR. I HAVE PAID TO HAVE MY BRAKES AND WHEEL BEARINGS REPLACED AND THIS DID NOT FIX THE ISSUE AND IT WAS EXPENSIVE. I AM FRUSTRATED AND BEGAN SEARCHING RECALL NOTICES & FOUND THAT OTHER PEOPLE HAVE THIS SAME ISSUE AND CHEVY ISSUED A RECALL NOTICE #05068 IN: IOWA, MINNESOTA, MICHIGAN, MISSOURI, NEW HAMPSHIRE, OHIO, ETC. THE "SALT BELT", THE PROBLEM ON TOP OF BRAKE FAILURE IS THAT I RESIDE IN SOUTH DAKOTA! AND I AM NOT INCLUDED IN THIS RECALL OF MY SURROUNDING STATES. NOW I HAVE JUST GOTTEN OFF THE PHONE WITH CHEVY AT THEIR 800 NUMBER, AND WAS TOLD NO RECALL LISTED FOR MY VIN# & MOST LIKELY I WILL PAY FOR REPAIRS OF THEIR DEFECTIVE VEHICLE. *TR

NHTSA ODI #10440146

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.