Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
130–25K
3725–50K
6150–75K
6275–100K
141100–150K
104150K+
418 reports with mileage · 169 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 222 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes. Review the 126 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Structure. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
43 crash reports5 fire reports18 injury reports
What owners actually said
587 reports
180,000 miles · Apr 7, 2015
Seats
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE FRONT DRIVER SEAT WAS LEANED FORWARD AND WHEN THE SEAT WAS RETURNED TO THE ORIGINAL POSITION, THE SEAT FAILED TO SECURE CAUSING THE SEAT TO MOVE WHILE DRIVING. THE CONTACT OBSERVED METAL AND PLASTIC FRAGMENTS UNDER THE SEAT. THE VEHICLE WAS NOT DIA…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE FRONT DRIVER SEAT WAS LEANED FORWARD AND WHEN THE SEAT WAS RETURNED TO THE ORIGINAL POSITION, THE SEAT FAILED TO SECURE CAUSING THE SEAT TO MOVE WHILE DRIVING. THE CONTACT OBSERVED METAL AND PLASTIC FRAGMENTS UNDER THE SEAT. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 180,000.
NHTSA ODI #10704183
102,000 miles · Mar 16, 2015
StructureSuspension
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 55 MPH, THE VEHICLE DROVE OVER A BUMP AND A LOUD NOISE EMITTED FROM THE REAR OF THE VEHICLE WITHOUT WARNING. THE CONTACT OBSERVED THAT THE REAR SHOCK DETACHED FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER, WHERE IT WAS DIAGNOSED THAT THE FRAM…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 55 MPH, THE VEHICLE DROVE OVER A BUMP AND A LOUD NOISE EMITTED FROM THE REAR OF THE VEHICLE WITHOUT WARNING. THE CONTACT OBSERVED THAT THE REAR SHOCK DETACHED FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER, WHERE IT WAS DIAGNOSED THAT THE FRAME WAS FRACTURED AND THE VEHICLE NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 102,000.
NHTSA ODI #10694446
141,250 miles · Feb 2, 2015
Fuel/propulsion SystemService BrakesStructure
WE HAVE HAD SEVERAL RUST PROBLEMS WITH THIS VEHICLE FROM BRAKES LINES RUSTING THROUGH, GAS TANK STRAPS RUSTING THROUGH. NOW WE HAVE FUEL LINE LEAK AND OUR TORSION BAR HAS CRACKED DUE TO RUSTING THROUGH AND THEY WILL NOT REPAIR UNLESS THE FRAME IS REPLACED WHICH IS NOT COST EFFECTIVE DUE TO THE AMOUNT OF RUST THROUGHOUT THE VEHIC…
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WE HAVE HAD SEVERAL RUST PROBLEMS WITH THIS VEHICLE FROM BRAKES LINES RUSTING THROUGH, GAS TANK STRAPS RUSTING THROUGH. NOW WE HAVE FUEL LINE LEAK AND OUR TORSION BAR HAS CRACKED DUE TO RUSTING THROUGH AND THEY WILL NOT REPAIR UNLESS THE FRAME IS REPLACED WHICH IS NOT COST EFFECTIVE DUE TO THE AMOUNT OF RUST THROUGHOUT THE VEHICLE. UNLESS FRAME IS REPLACED IT IS UNSAFE TO DRIVE. *TR
NHTSA ODI #10680551
107,000 miles · Jan 13, 2015
Fuel/propulsion SystemPower TrainService Brakes
I HAVE HAD RIGHT REAR BRAKE LINE RUST OUT. I HAD FRONT BRAKE LINES RUST OUT. I HAD THE BRAKE LINE TO THE ABS FROM BOOSTER RUST OUT. HAD THE FUEL LINES RUST OUT(LEAKING RAW GAS) HAD OIL LINES FOR AUTOMATIC TRANSMISSION RUST OUT. EACH TIME I WAS LUCKY THAT IT HAPPENED IN THE CITY AT LOW SPEEDS AND NOT WHILE PULLING A TRAILER.I ALS…
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I HAVE HAD RIGHT REAR BRAKE LINE RUST OUT. I HAD FRONT BRAKE LINES RUST OUT. I HAD THE BRAKE LINE TO THE ABS FROM BOOSTER RUST OUT. HAD THE FUEL LINES RUST OUT(LEAKING RAW GAS) HAD OIL LINES FOR AUTOMATIC TRANSMISSION RUST OUT. EACH TIME I WAS LUCKY THAT IT HAPPENED IN THE CITY AT LOW SPEEDS AND NOT WHILE PULLING A TRAILER.I ALSO HAD TROUBLE WITH THE ABS KICKING IN FALSELY AT SLOW SPEEDS(ALSO RUST BUILD UP AT WHEEL SENSOR MOUNTING PLACE. *TR
NHTSA ODI #10672282
191,168 miles · Jan 4, 2015
Structure
FRAME BROKE DUE TO RUST BEHIND THE CAB. *TR
NHTSA ODI #10669924
160,000 miles · Jan 1, 2015
Service BrakesCrash
WHILE BRAKING HARD FOR AN ANIMAL IN THE ROADWAY, THE BRAKE SYSTEM FAILED. THE BRAKE PEDAL, WHEN APPLIED SUDDENLY AND HARD, WENT TO THE FLOOR. THE BRAKES WERE INEFFECTIVE AT STOPPING THE VEHICLE. THE ANIMAL WAS STRUCK. AN INSPECTION REVEALED THAT THE FRONT TO REAR BRAKE LINE HAD RUSTED AND BURST. FURTHER INSPECTION REVEALED …
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WHILE BRAKING HARD FOR AN ANIMAL IN THE ROADWAY, THE BRAKE SYSTEM FAILED. THE BRAKE PEDAL, WHEN APPLIED SUDDENLY AND HARD, WENT TO THE FLOOR. THE BRAKES WERE INEFFECTIVE AT STOPPING THE VEHICLE. THE ANIMAL WAS STRUCK. AN INSPECTION REVEALED THAT THE FRONT TO REAR BRAKE LINE HAD RUSTED AND BURST. FURTHER INSPECTION REVEALED VERY RUSTY BRAKE LINES WHICH APPEAR READY TO FAIL IN MANY LOCATIONS. *JS
NHTSA ODI #10669480
120,000 miles · Jan 1, 2015
Service Brakes
MY 1999 SILVERADO HAD BRAKE FAILURE. THE BRAKE PEDAL WENT TO THE FLOOR. UPON INSPECTION FOUND A FRONT AND REAR BRAKE LINE HAD RUSTED AND BLOWN OUT. THE WARNING LIGHT NEVER CAME ON. THERE ARE SEVERAL LINES THAT NEED TO BE REPLACED. I HAVE SIX GM CARS AND NEVER HAD THIS PROBLEM. MY 1957 AND 1963 AND 1964 BRAKE LINES ARE IN GRE…
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MY 1999 SILVERADO HAD BRAKE FAILURE. THE BRAKE PEDAL WENT TO THE FLOOR. UPON INSPECTION FOUND A FRONT AND REAR BRAKE LINE HAD RUSTED AND BLOWN OUT. THE WARNING LIGHT NEVER CAME ON. THERE ARE SEVERAL LINES THAT NEED TO BE REPLACED. I HAVE SIX GM CARS AND NEVER HAD THIS PROBLEM. MY 1957 AND 1963 AND 1964 BRAKE LINES ARE IN GREAT SHAPE. I LIVE IN NC AND DO NOT HAVE THE BAD WINTER AND EXPOSURE TO ROAD SALTS THAT SOME MAY SAY WAS THE CAUSE. THANKS FOR YOUR HELP. *JS
NHTSA ODI #10669451
202,355 miles · Dec 30, 2014
Service Brakes
MY VEHICLE WILL NOT STOP AT SLOW SPEEDS. THE ABS KICKS IN AND EXTENDS THE STOPPING DISTANCE BY VARIOUS AMOUNTS. *JS
NHTSA ODI #10669169
157,000 miles · Dec 21, 2014
Suspension
I HAVE A 1999 SILVERADO 1500, IN THE PAST FEW DAY I'VE BEEN HEARING A NOISE COMING FROM THE DRIVERS REAR WHEEL AREA. TODAY I PUT THE REAR OF THE TRUCK ON JACK STANDS IN ORDER TO LOCATE THE NOISE, AFTER REMOVING THE WHEEL AND TIRE I NOTICED THE FRAME BEHIND THE TIRE HAS HOLES RUSTED THROUGH AND IS PAPER THIN. THEN I NOTICED A PLA…
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I HAVE A 1999 SILVERADO 1500, IN THE PAST FEW DAY I'VE BEEN HEARING A NOISE COMING FROM THE DRIVERS REAR WHEEL AREA. TODAY I PUT THE REAR OF THE TRUCK ON JACK STANDS IN ORDER TO LOCATE THE NOISE, AFTER REMOVING THE WHEEL AND TIRE I NOTICED THE FRAME BEHIND THE TIRE HAS HOLES RUSTED THROUGH AND IS PAPER THIN. THEN I NOTICED A PLATE WELDED TO THE OUTSIDE OF THE FRAME APPARENTLY BY THE PREVIOUS OWNER BEHIND THE PLATE THE FRAME HAS BEEN BROKE . I THEN CHECKED THE OTHER SIDE AND IT TOO HAS A PLATE BUT DOESN'T LOOK AS BAD. NOW, GROWING MORE INTERESTED I BEGAN POKING AT THE FRAME WALLS AND IN MANY PLACES ITS CHIPPING AND GOING THROUGH LIKE ICE. I AM NOT A RICH MAN AND CANNOT AFFORD TO REPAIR OR REPLACE SOMETHING THAT SHOULD LAST LIKE YOU WOULD THINK A FRAME SHOULD. A FEW YEARS AGO I HAD A 1979 CHEVY TRUCK AND SOLD IT, EVEN NOW THE FRAME IS IN MUCH BETTER SHAPE THAN A TRUCK THAT IS 20 YEARS NEWER. GM NEEDS TO BE THE HONORABLE COMPANY THAT I HAVE ALWAYS THOUGHT THEY WERE AND FIX THIS PROBLEM. *TR
NHTSA ODI #10667510
Mileage unknown · Nov 19, 2014
Vehicle Speed Control
SERVICE ENGINE LIGHT HAS BEEN ON FOR SO LONG THE LIGHT HAS BURNED OUT. NOT HAVING THE TIME TO GET IT CHECKED OUT, TODAY I WENT TO AUTO ZONE TO HAVE A CODE READING ON MY 1999 CHEVY SILVERADO 5.3L. THE CODE INDICATED THE ABS CONTROL MODULE ALL SPEED SENSOR FAILURE. THEY INDICATED TO ME THERE WAS A RECALL ON THIS PART THAT NO ON…
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SERVICE ENGINE LIGHT HAS BEEN ON FOR SO LONG THE LIGHT HAS BURNED OUT. NOT HAVING THE TIME TO GET IT CHECKED OUT, TODAY I WENT TO AUTO ZONE TO HAVE A CODE READING ON MY 1999 CHEVY SILVERADO 5.3L. THE CODE INDICATED THE ABS CONTROL MODULE ALL SPEED SENSOR FAILURE. THEY INDICATED TO ME THERE WAS A RECALL ON THIS PART THAT NO ONE KNOWS ABOUT. THE TOLD ME INSTEAD OF ME BUYING THE PART AND PAYING TO GET IT FIXED, TO SEE IF THIS IS ON RECALL AND HAVE THE DEALER FIX IT FOR FREE. AS I SEE ON HERE, THIS IS A RECALL PART. CAN YOU PLEASE ADVISE ME ON HOW I CAN GET THIS FIXED? I HAVE CALLED A COUPLE OF CHEVY DEALERSHIPS AND THEY SAID THEY COULDN'T HELP ME. *TR
NHTSA ODI #10659261
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.
1999 Chevrolet Silverado 1500 Problems, Complaints & Recalls | Skip That Year
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