BRAKES FAILED WHILE STOPPING AT AN INTERSECTION. FORTUNATELY, THERE WERE NO VEHICLES IN FRONT ME OR COMING THROUGH THE INTERSECTION. CAUSE OF BRAKE FAILURE WAS A CORRODED BRAKE LINE. WHILE THE GAS LINES ARE STAINLESS STEEL, THE BRAKE LINES ARE NOT. THIS SEEMS TO BE A DESIGN FLAW. *TR
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.
About this comparison →How this year compares
Owner complaints by model year
Compare all Silverado 1500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
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.
Service Brakes, Hydraulic complaints
237 reportsI HAVE A 2000 CHEVY SILVERADO PICKUP WHICH I PURCHASED NEW AT 36,000 MILES I WAS FORCED TO REPLACE ALL FOUR ROTORS AND BRAKE PADS DUE TO EXCESSIVE RUSTING ON THE INSIDE SURFACES OF THE ROTORS ESPECIALLY THE REAR. LATELY I HAVE EXPERIENCED THE REAR BRAKES HANGING UP OR DRAGGING ON THE ROTORS SO I CHECKED THEM. I FOUND THE SAME P…
Read full complaint
I HAVE A 2000 CHEVY SILVERADO PICKUP WHICH I PURCHASED NEW AT 36,000 MILES I WAS FORCED TO REPLACE ALL FOUR ROTORS AND BRAKE PADS DUE TO EXCESSIVE RUSTING ON THE INSIDE SURFACES OF THE ROTORS ESPECIALLY THE REAR. LATELY I HAVE EXPERIENCED THE REAR BRAKES HANGING UP OR DRAGGING ON THE ROTORS SO I CHECKED THEM. I FOUND THE SAME PROBLEM ONLY WORSE. NOW BOTH DUST SHIELDS ON THE REAR ARE RUSTING AWAY,THE PASSENGER SIDE IS COMPLETELY GONE, AT 76,000 MILES. THIS CONDITION IS BOTH COSTLY AND DANGEROUS TO THE PUBLIC BECAUSE THE RUST BUILD UP IS SO BAD THAT THE BRAKE PAD WILL NOT MAKE THE REQUIRED CONTACT TO STOP THE VEHICLE. IT RIDES ON THE RUST NOT A CLEAN SMOOTH METAL SURFACE. I DRIVE THIS TRUCK DAILY SO YOU WOULD THINK THIS SHOULD NOT BE OCCURRING BUT IT IS. IF YOU WANT TO SEE MORE UNANSWERED COMPLAINTS ABOUT THIS PROBLEM GO TO,HTTP://CONSUMERAFFAIRS.COM/AUTOMOTIVE/GM_SILVERADO_BRAKES.HTML. I USUALLY KEEP A VEHICLE ABOUT TEN YEARS ON AVERAGE AND HAVE NEVER DEALT WITH ANYTHING LIKE THIS. WHY HASN'T THERE BEEN AN INVESTIGATION OR RECALL ON THIS? GM ISN'T ADDRESSING THESE COMPLAINTS. SO WHAT ARE WE WAITING FOR,A FEW FATALITIES? ALSO MY ANTI-LOCK BRAKES HAVEN'T WORKED SINCE I TOOK THE TRUCK TO THE DEALER FOR THE RECALL. *TR
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DECELERATING FROM APPROXIMATELY 3 TO 4 MPH, THE BRAKES FAILED AND THE VEHICLE CONTINUED TO MOVE. THE FAILURE OCCURS INTERMITTENTLY. THE CONTACT NEARLY CRASHED INTO A BUILDING ONCE. THE DEALER STATED THAT HIS VIN WAS EXCLUDED FROM THE ABS RECALL. THE MANUFACTURER STA…
Read full complaint
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DECELERATING FROM APPROXIMATELY 3 TO 4 MPH, THE BRAKES FAILED AND THE VEHICLE CONTINUED TO MOVE. THE FAILURE OCCURS INTERMITTENTLY. THE CONTACT NEARLY CRASHED INTO A BUILDING ONCE. THE DEALER STATED THAT HIS VIN WAS EXCLUDED FROM THE ABS RECALL. THE MANUFACTURER STATED THAT HE WOULD NEED TO PAY TO HAVE THE FAILURE DIAGNOSED. THE CONTACT HAD THE FUMES REMOVED FROM THE ABS AND THE SYSTEM WAS DISABLED. THE RECALL NUMBER WAS UNKNOWN. THE CURRENT MILEAGE WAS 69,500 AND FAILURE MILEAGE WAS 69,000. UPDATED 03-19-08 *BF THE CONSUMER STATED THE TRUCK HAS THE SAME DEFECT AS RECALL NUMBER 05V379000 A REGIONAL RECALL BUT THE TRUCK WAS NOT INVOLVED IN THIS RECALL. UPDATED 03/19/08 *TR
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 15 MPH, THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE CONTINUED TO ACCELERATE. HE WAS ABLE TO STOP THE VEHICLE AFTER 20 SECONDS OF APPLYING PRESSURE TO THE BRAKES. WHILE ATTEMPTING TO PARK THE VEHICLE IN THE DRIVEWAY, IT DRAMATICALLY BEG…
Read full complaint
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 15 MPH, THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE CONTINUED TO ACCELERATE. HE WAS ABLE TO STOP THE VEHICLE AFTER 20 SECONDS OF APPLYING PRESSURE TO THE BRAKES. WHILE ATTEMPTING TO PARK THE VEHICLE IN THE DRIVEWAY, IT DRAMATICALLY BEGAN TO ACCELERATE. THE CONTACT APPLIED PRESSURE TO THE BRAKES, BUT THE VEHICLE CONTINUED TO ACCELERATE. SMOKE APPEARED AND THE VEHICLE LUNGED FORWARD, CAUSING HIM TO CRASH INTO THE GARAGE. THE VEHICLE WOULD NOT STOP UNTIL THE POWER WAS COMPLETELY SHUT OFF. THE CONTACT HAS PICTURES. THE DEALER HAS NOT BEEN NOTIFIED. THE FAILURE AND CURRENT MILEAGES WERE 99,000.
JUST BEFORE COMING TO A COMPLETE STOP THE ABS ON MY 2000 CHEVROLET SILVERADO ACTIVATES AND WILL NOT ALLOW THE VEHICLE TO COME TO A STOP. OFTEN TIMES IT WILL OCCUR AT STOP LIGHTS OR PULLING INTO PARKING STALLS. *TR
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE APPROACHING A STOP SIGN OR TRAFFIC LIGHT WITH THE BRAKE PEDAL DEPRESSED, THE CONTACT MUST PUMP THE BRAKES IN ORDER TO STOP THE VEHICLE. THE VEHICLE THEN MAKES A LOUD NOISE. THERE ARE FOUR NHTSA CAMPAIGN ID NUMBERS FOR THE SERVICE BRAKES: 00V055000 (SERVICE BRAKES, HYD…
Read full complaint
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE APPROACHING A STOP SIGN OR TRAFFIC LIGHT WITH THE BRAKE PEDAL DEPRESSED, THE CONTACT MUST PUMP THE BRAKES IN ORDER TO STOP THE VEHICLE. THE VEHICLE THEN MAKES A LOUD NOISE. THERE ARE FOUR NHTSA CAMPAIGN ID NUMBERS FOR THE SERVICE BRAKES: 00V055000 (SERVICE BRAKES, HYDRAULIC:ANTILOCK), 00V345000 (SERVICE BRAKES HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS), 00X001000 (SERVICE BRAKES:FOUNDATION COMPONENTS:DISC:CALIPER), AND 05V379000 (SERVICE BRAKES HYDRAULIC:ANTILOCK). THE PURCHASE DATE AND SPEED WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 47,000.
SIRS, I CONTACTED YOU A FEW YRS. AGO [BELIVE IN EITHER 03 OR 04] IN REGARD TO THE ROTORS ON MY 2000 CHEVY SILVERADO 1500 TRUCK FAILING. AT THAT TIME THE TRUCK HAD APPRXIMATELY 45K MIILES ON IT. WHEN I CONTACTED CHEVY ABOUT THIS PROBLEM, THEY TOLD ME IT IS AN ENVIROMENTAL HAZZARD, DUE TO WHERE I LIVE. I REPLIED THAT I HAD NEW…
Read full complaint
SIRS, I CONTACTED YOU A FEW YRS. AGO [BELIVE IN EITHER 03 OR 04] IN REGARD TO THE ROTORS ON MY 2000 CHEVY SILVERADO 1500 TRUCK FAILING. AT THAT TIME THE TRUCK HAD APPRXIMATELY 45K MIILES ON IT. WHEN I CONTACTED CHEVY ABOUT THIS PROBLEM, THEY TOLD ME IT IS AN ENVIROMENTAL HAZZARD, DUE TO WHERE I LIVE. I REPLIED THAT I HAD NEW TIRES PUT ON THE TRUCK IN MAY {?} OF THAT YEAR & THE ROTORS WERE FINE BUT WHEN I TOOK TRUCK FOR INSPECTION IN NOV. THEY WERE NOT. I ASKED HOW MUCH SALT THEY THOUGHT PA. USED DURING THE SUMMER MONTHS? I RECIEVED NO REPLY. NOW HERE WE ARE IN JAN., 2008. MY TRUCK NOW HAS 60 K MILES ON IT & THE ROTORS NEED REPLACED AGAIN?? CONSIDERING THIS TRUCK IS DRIVEN AN AVERAGE OF 7K MILES PER YEAR, WITH 90% OF THAT BEING DURING SUMMER MONTHES, THIS IS NOT AN ENVIROMENTAL PROBLEM! THIS TRUCK IS ONLY DRIVEN DURING WINTER MONTHES IF THERE IS AN EMERGANCY SO IT IS EXTREMELY RARE THIS TRUCK IS DRIVEN ON SALTED ROADS. THIS TRUCK IS ALSO GARAGED AT ALL TIMES, I WAX THE FIREWALLS, ARMOR ALL & CLEAN THE TRUCK WEEKLY. ALSO OUR DRIVEWAY IS ALONG A RURAL ROAD & THE DRIVEWAY IS HIGHER THAN THE ROAD SURFACE. I HAVE GONE THROUGH YOUR COMPLAINT LIST & I HAVE FOUND I AM NOT THE ONLY PERSON WITH THIS PROBLEM, IN RE:ODI ID #10158646. I HONESTLY BELIEVE THE ONLY REASON YOU HAVE NOT RECIEVED MORE COMPLAINTS ON THIS ISSUE IS DUE TO TOO MANY PEOPLE BELIEVE WHAT THE CHEVY REPS. ARE SAYING ABOUT ENVIROMENTAL HAZZARD.I HAVE HAD CHEVY EMPLOYEES TELL ME BRAND NEW CARS, JUST OFF THE DELIVERY TRUCK ARE ALSO HAVING THE SAME PROBLEM & THE DEALERSHIPS ARE REPLACING THE ROTORS BEFORE THE CARS ARE EVEN PUT ON THE LOT!! SOMETHING IS SERIOUSLY WRONG WITH THE QUALITY OF THESE ROTORS & I REALLY DO WISH YOU WOULD INVESTIGATE FURTHER BEFORE SOMEONE IS HURT/KILLED. THANK YOU VERY MUCH FOR ANY/ALL HELP ON THIS MATTER. I REALLY DO APPRECIATE IT. EDWARD J. WALKER *TR
I OWN A 2000 CHEVY SILVERADO PICKUP, WHEN I SLOW DOWN TO COME TO A STOP BRAKE PEDAL GOES TO THE FLOOR AND VIBRATES, DRASTICALLY INCREASING MY STOPPING DISTANCE. I HAVE HAD MANY NEAR MISS ACCIDENTS AND SLID OUT INTO MANY INTERSECTIONS. I TOOK MY TRUCK TO A REPAIR GARAGE AND THEY STATED MY ABS BRAKES WERE MALFUNCTIONING AND THEY H…
Read full complaint
I OWN A 2000 CHEVY SILVERADO PICKUP, WHEN I SLOW DOWN TO COME TO A STOP BRAKE PEDAL GOES TO THE FLOOR AND VIBRATES, DRASTICALLY INCREASING MY STOPPING DISTANCE. I HAVE HAD MANY NEAR MISS ACCIDENTS AND SLID OUT INTO MANY INTERSECTIONS. I TOOK MY TRUCK TO A REPAIR GARAGE AND THEY STATED MY ABS BRAKES WERE MALFUNCTIONING AND THEY HAVE SEEN THE PROBLEM WITH OTHER CHEVY TRUCKS MADE THAT YEAR. *TR
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING 5 MPH, THE VEHICLE'S STOPPING DISTANCE INCREASED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE DEALER STATED THAT THE WHEEL SPEED SENSOR RUSTED AND WAS THE CAUSE OF THE FAILURE. THEY FURTHER STATED THAT THE WHEEL SPEED SENSOR SHOULD BE REPLACED. THERE IS A RECALL F…
Read full complaint
TL*THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING 5 MPH, THE VEHICLE'S STOPPING DISTANCE INCREASED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE DEALER STATED THAT THE WHEEL SPEED SENSOR RUSTED AND WAS THE CAUSE OF THE FAILURE. THEY FURTHER STATED THAT THE WHEEL SPEED SENSOR SHOULD BE REPLACED. THERE IS A RECALL FOR THE SERVICE BRAKES, HYDRAULIC: ANTILOCK (NHTSA CAMPAIGN ID NUMBER 05V379000); HOWEVER, THE REMEDY TO THE RECALL WAS PERFORMED TWO YEARS PRIOR TO THE FAILURE. AS OF DECEMBER 28, 2007, THE DEALER HAD NOT REPAIRED THE VEHICLE. THE FAILURE MILEAGE WAS 80,000 AND CURRENT MILEAGE WAS 117,000. UPDATED 02-14-08 *BF THE CONSUMER STATED THE DEFECTIVE PART NEEDS TO BE REPLACED NOT CLEARED. UPDATED 02/14/08 *TR
2000 CHEVY SILVERADO BRAKES WERE SQUEALING. CONSUMER STATES THAT THE REAR INSIDE BRAKE PAD WAS THE ONLY ONE WORN. MECHANIC INFORMED HIM THAT THIS WAS CAUSED BY ICE AND DIRT COLLECTED IN THE CALIPER. *KB CONSUMER SENT IN ADDITIONAL INFORMATION IN A VOQ. *KB UPDATED 04/14/08. *KB THE CONSUMER STATED ON 3 OCCASIONS, THE VEHICLE…
Read full complaint
2000 CHEVY SILVERADO BRAKES WERE SQUEALING. CONSUMER STATES THAT THE REAR INSIDE BRAKE PAD WAS THE ONLY ONE WORN. MECHANIC INFORMED HIM THAT THIS WAS CAUSED BY ICE AND DIRT COLLECTED IN THE CALIPER. *KB CONSUMER SENT IN ADDITIONAL INFORMATION IN A VOQ. *KB UPDATED 04/14/08. *KB THE CONSUMER STATED ON 3 OCCASIONS, THE VEHICLE LOST TRACTION WHILE DRIVING ON ICY ROADS . THE CONSUMER BELIEVED THE REASON FOR THE TRACTION LOSS, WAS DUE TO THE BRAKE PAD HANGING UP. *JB
Official recalls
0No 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
2EA04011 · 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.
Illustration