NHTSA owner reports · September 18, 2026 snapshot.
Structure complaints
53 reportsClear category filter155,000 miles · Sep 30, 2013
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE HAVING REGULAR MAINTENANCE PERFORMED, SHE WAS NOTIFIED THAT THE FRAME OF THE VEHICLE WAS CRACKED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND C…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE HAVING REGULAR MAINTENANCE PERFORMED, SHE WAS NOTIFIED THAT THE FRAME OF THE VEHICLE WAS CRACKED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGE WAS 155,000.
NHTSA ODI #10546196
150,000 miles · Jul 10, 2013
Service BrakesStructureCrashInjury
I WAS SLOWING DOWN TO DRIVE AROUND A SHARP BEND, WHEN I PRESSED ON MY BRAKE PEDAL AND IT DROPPED TO THE FLOOR. I THEN DOWN SHIFTED, BUT COULD NOT STOP. BEFORE MY TRUCK PLUMMETED DOWN A WOODED HILL ( THE HILL BEING APPROX 50-60 YARDS LONG) I JUMPED FROM MY TRUCK, BUT GOT CAUGHT BETWEEN MY TRUCK AND A STATIONARY VEHICLE. I WAS THE…
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I WAS SLOWING DOWN TO DRIVE AROUND A SHARP BEND, WHEN I PRESSED ON MY BRAKE PEDAL AND IT DROPPED TO THE FLOOR. I THEN DOWN SHIFTED, BUT COULD NOT STOP. BEFORE MY TRUCK PLUMMETED DOWN A WOODED HILL ( THE HILL BEING APPROX 50-60 YARDS LONG) I JUMPED FROM MY TRUCK, BUT GOT CAUGHT BETWEEN MY TRUCK AND A STATIONARY VEHICLE. I WAS THEN CRUSHED, AS MY TRUCK PROCEEDED TO PLUMMET DOWN THE HILL. THIS ALL CAUSING THE STATIONARY CAR TO HAVE SCRAPES, AND A DENT WHERE MY BODY WAS, AND CAUSING SEVERE BRUISING, SWELLING AND ABRASIONS OF MY UPPER LEGS, HIPS, AND BUTTOCK, AND I WAS UNABLE TO WALK FOR 3 DAYS AFTER THE INCIDENT BECAUSE OF LEG WEAKNESS, EVERY TIME I WOULD PUT WEIGHT ON MY RIGHT LEG IT WOULD GIVE OUT, AND CAUSE A SEVERE SHOOTING PAIN UP MY LEG INTO MY LOWER BACK, AND WAS UNABLE TO WORK FOR A WEEK. *TR
NHTSA ODI #10524202
141,425 miles · May 28, 2013
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE FRAME FRACTURED ON BOTH THE DRIVER AND PASSENGER SIDE. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT THE FRAME NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEA…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE FRAME FRACTURED ON BOTH THE DRIVER AND PASSENGER SIDE. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT THE FRAME NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 141,425. *TR
NHTSA ODI #10513782
219,500 miles · May 21, 2013
StructureVisibilityCrash
PURCHASED WIND DEFLECTORS FOR FRONT AND PASSENGER WINDOWS FOR CHEVROLET SUBURBAN 1999 LS FROM MCNEIL AUTOMOTIVE PRODUCTS, 1 MCNEIL COURT, BOLINGBROOK, IL 60440 (PHONE 1-630-769-1500, FAX 1-630-769-0300). FRONT RIGHT WINDOW DEFLECTOR SEPARATED FROM CAR AFTER A MONTH OF DRIVING AND CRASHING TO THE GROUND MISSING THE MOTORCYCLIST …
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PURCHASED WIND DEFLECTORS FOR FRONT AND PASSENGER WINDOWS FOR CHEVROLET SUBURBAN 1999 LS FROM MCNEIL AUTOMOTIVE PRODUCTS, 1 MCNEIL COURT, BOLINGBROOK, IL 60440 (PHONE 1-630-769-1500, FAX 1-630-769-0300). FRONT RIGHT WINDOW DEFLECTOR SEPARATED FROM CAR AFTER A MONTH OF DRIVING AND CRASHING TO THE GROUND MISSING THE MOTORCYCLIST BEHIND ME. SHIPPED 1/27/13 INSTALLED WEEK OF 2/4/13 DROVE AT SPEEDS UP TO 80 MPH ON IH 130 WITH WINDOWS CLOSED AND UP TO 55 MPH WITH WINDOWS OPEN OR CRACKED. WEATHER WAS GOOD DURING THAT PERIOD IN CENTRAL TEXAS FOR DRIVING WITH OPEN WINDOWS. RIGHT FRONT WIND DEFLECTOR DEPARTED CAR 3/8/13 ON MOPAC SOUTH ACCESS ROAD JUST NORTH OF DUVAL. I WAS IN THE RIGHT LANE AND LUCKILY THE DEFLECTOR FELL ON THE CURB AND GUTTER AND DID NOT HIT THE MOTORCYCLE BEHIND ME. REMOVED THE LEFT FRONT WIND DEFLECTOR FOR SAFETY. COMPLAINED TO MCNEIL AUTOMOTIVE PRODUCTS ON 4/5/2013 VIA PHONE. CONNECTION WAS NOT CLEAR, BELIEVE THE PERSONS FIRST NAME WAS [XXX]. SHE CLAIMED THAT I HAD NOT INSTALLED THE PART CORRECTLY. I COUNTERED THAT THE PART WOULD NOT HAVE SURVIVED A MONTH ON THE WINDOW AT THE SPEEDS IT WAS SUBJECTED TO IF NOT INSTALLED CORRECTLY. SHE INDICATED THAT THEY WOULD SEND ME NEW FRONT WINDOW DEFLECTORS, THEY NEVER ARRIVED. THAT WAS PROBABLY BECAUSE I MADE IT CRYSTAL CLEAR THAT I WAS GOING TO COMPLAIN TO YOU IF IT HAPPENED AGAIN. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10512929
120,000 miles · Jan 22, 2013
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE THE VEHICLE WAS BEING SERVICED, IT WAS NOTICED THAT BOTH SIDES OF THE FRAME WERE CRACKED. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOTIFIED WHO STATED THERE WAS NO RECALL AND OFFERED NO OTHER ASSISTANCE. THE VEHICLE WAS NOT R…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT WHILE THE VEHICLE WAS BEING SERVICED, IT WAS NOTICED THAT BOTH SIDES OF THE FRAME WERE CRACKED. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOTIFIED WHO STATED THERE WAS NO RECALL AND OFFERED NO OTHER ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 120,000.
NHTSA ODI #10493719
205,000 miles · Apr 9, 2012
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN HE NOTICED THAT THE FRAME WAS SEVERELY CRACKED AND CORRODED. THE VEHICLE WAS THEN TAKEN TO AN AUTHORIZED DEALER WHERE THEY WERE UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND …
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN HE NOTICED THAT THE FRAME WAS SEVERELY CRACKED AND CORRODED. THE VEHICLE WAS THEN TAKEN TO AN AUTHORIZED DEALER WHERE THEY WERE UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND OFFERED NO ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 205,000.
NHTSA ODI #10454495
135,000 miles · Mar 20, 2012
StructureSuspension
1999 SILVERADO EXCESSIVE ROT ON FRAME JUST ASIDE OF FUEL TANK, LOWER CHANNEL OF FRAME GONE STARTING TO CRACK GOING VERTICAL. ALSO REAR SPRING PERCHES ROTTED TO POINT OF NO REPAIR.. TRUCK IS STREET DRIVEN NEVER OFF ROAD AM SECOND OWNER OF TRUCK. HAVE HAD OLDER CHEVYS WITH OUT ANY PROBLEMS AS THIS. GOOGLE FRAME ROT 99 SILVERADO…
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1999 SILVERADO EXCESSIVE ROT ON FRAME JUST ASIDE OF FUEL TANK, LOWER CHANNEL OF FRAME GONE STARTING TO CRACK GOING VERTICAL. ALSO REAR SPRING PERCHES ROTTED TO POINT OF NO REPAIR.. TRUCK IS STREET DRIVEN NEVER OFF ROAD AM SECOND OWNER OF TRUCK. HAVE HAD OLDER CHEVYS WITH OUT ANY PROBLEMS AS THIS. GOOGLE FRAME ROT 99 SILVERADO ITS NOT JUST MINE CHEVY CUSTOMER SERVICE..."WE HAVEN HAD ANY ISSUES WITH THAT ON THAT VEHICLE" SHOULDN'T FRAMES LAST LONGER? *TR *KB
NHTSA ODI #10452425
150,000 miles · Nov 10, 2011
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 30-55 MPH, THE CONTACT HEARD AN UNUSUAL NOISE FROM THE OUTSIDE THE VEHICLE. THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD AND DISCOVERED THAT THE FRAME WAS COMPLETELY FRACTURED. THE CONTACT RESUMED DRIVING THE VEHICLE AT AN EXTREMELY LOW RATE OF S…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 30-55 MPH, THE CONTACT HEARD AN UNUSUAL NOISE FROM THE OUTSIDE THE VEHICLE. THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD AND DISCOVERED THAT THE FRAME WAS COMPLETELY FRACTURED. THE CONTACT RESUMED DRIVING THE VEHICLE AT AN EXTREMELY LOW RATE OF SPEED. THE VEHICLE WAS DAMAGED BEYOND REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000. THE VIN WAS UNAVAILABLE. UPDATED 12/12/11*LJ
NHTSA ODI #10435142
175,000 miles · Sep 13, 2011
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN HE NOTICED THAT THE REAR PASSENGER SIDE CROSS MEMBER WAS DETACHED FROM THE FRAME DUE TO CORROSION. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE …
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN HE NOTICED THAT THE REAR PASSENGER SIDE CROSS MEMBER WAS DETACHED FROM THE FRAME DUE TO CORROSION. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 175,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10425197
180,152 miles · Aug 14, 2011
Service Brakes, HydraulicStructure
RUSTED OUT ENTIRE UNDERCARRIAGE INCLUDING BRAKE LINES OF OUR 1999 CHEVY SILVERADO. *TR
NHTSA ODI #10419408
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.
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