TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE FRAME WAS SEVERELY CORRODED AND THE VEHICLE WAS NO LONGER OPERABLE AS A RESULT. THE VEHICLE WAS TAKEN TO THE DEALER WHO DEEMED THE VEHICLE AS DESTROYED DUE TO THE SEVERITY OF THE FRAME RUST AND CORROSION. THE MANUFACTURER WAS MADE AWARE OF THE FAI…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE FRAME WAS SEVERELY CORRODED AND THE VEHICLE WAS NO LONGER OPERABLE AS A RESULT. THE VEHICLE WAS TAKEN TO THE DEALER WHO DEEMED THE VEHICLE AS DESTROYED DUE TO THE SEVERITY OF THE FRAME RUST AND CORROSION. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 120,000 AND THE CURRENT MILEAGE WAS 165,000.
NHTSA ODI #10414784
75,000 miles · Jun 9, 2011
Structure
LAST YEAR WE FOUND OUT WE HAD TO REPLACE THE ENTIRE BACK HALF OF THE FRAME OF OUR 1999 CHEVY SILVERADO. WE TOOK IT IN FOR A REPAIR AND WHEN THEY WENT TO TAKE SOMETHING OFF THE BACK END, THE FRAME FELL APART IN HIS HANDS. I AM HEARING MORE AND MORE PEOPLE SAYING THEY'RE HAVING THE SAME PROBLEM. IT COST US $2500 TO HAVE THE FRAME…
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LAST YEAR WE FOUND OUT WE HAD TO REPLACE THE ENTIRE BACK HALF OF THE FRAME OF OUR 1999 CHEVY SILVERADO. WE TOOK IT IN FOR A REPAIR AND WHEN THEY WENT TO TAKE SOMETHING OFF THE BACK END, THE FRAME FELL APART IN HIS HANDS. I AM HEARING MORE AND MORE PEOPLE SAYING THEY'RE HAVING THE SAME PROBLEM. IT COST US $2500 TO HAVE THE FRAME REPLACED. I FEEL GM SHOULD BE RECALLING THESE FRAMES AND DOING THE RIGHT THING FOR THEIR CUSTOMERS. I ATTEMPTED TO CONTACT THEM AND NEVER HEARD BACK FROM THEM. THIS IS GETTING RIDICULOUS, THIS CAN BE A MAJOR SAFETY ISSUE IF THESE FRAMES DECIDE TO FALL APART ON THE ROAD WHILE THE PERSON IS DRIVING. I'M SURE IT'S HAPPENED ALREADY. MY HUSBAND IS LAID OFF AND THIS MONEY WOULD OF COME IN HANDY TO PAY OUR BILLS DURING THIS DIFFICULT TIME. I WOULD LIKE TO SEE YOU CONTACT GM AND HAVE THIS TAKEN CARE OF. WHEN WE GOT OUR NEW FRAME WE WERE TOLD THEY HAD SOLD AT LEAST 7 OTHERS IN THE TIME FRAME WE BOUGHT OURS. THIS IS OUT OF CONTROL. I JUST HEARD OF ANOTHER CASE JUST BEFORE I TYPED THIS MESSAGE. PLEASE HELP US! *TR
NHTSA ODI #10405696
150,000 miles · Apr 19, 2011
Structure
I HAVE A 1999 CHEVROLET SILVERADO EXT. CAB 4WD. IT HAS NUMEROUS CRACKS IN THE FRAME BEHIND THE CAB. WHICH IS OBVIOUSLY A HUGE SAFETY CONCERN! I READ UP ON BLOGS AND COMPLAINTS ON THIS VEHICLE. 1999-2002 HAS THE SAME FRAME CRACKING COMPLAINTS! THEY ARE NOT RUSTING! JUST CRACKING. I CONTACTED GM AND THEY SAID NHTSA DETERMINES THE …
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I HAVE A 1999 CHEVROLET SILVERADO EXT. CAB 4WD. IT HAS NUMEROUS CRACKS IN THE FRAME BEHIND THE CAB. WHICH IS OBVIOUSLY A HUGE SAFETY CONCERN! I READ UP ON BLOGS AND COMPLAINTS ON THIS VEHICLE. 1999-2002 HAS THE SAME FRAME CRACKING COMPLAINTS! THEY ARE NOT RUSTING! JUST CRACKING. I CONTACTED GM AND THEY SAID NHTSA DETERMINES THE RECALLS. TOYOTA HAD ONE FOR FRAME PROBLEMS IN THERE TRUCKS. THIS MODEL YEAR OF CHEVY AND GMC DEFINITELY NEEDS TO BE ADDRESSED. *TR
NHTSA ODI #10396797
115,000 miles · Jan 28, 2011
Structure
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO K1500. THE CONTACT STATED THAT THE SUBFRAME OF THE VEHICLE WAS SEVERELY RUSTED. THE DEALER WAS NOTIFIED OF THE FAILURE WHO INFORMED THE CONTACT THAT THE SUB FRAME COULD NOT BE REPAIRED BUT WOULD NEED REPLACING. THE MANUFACTURER WAS CONTACTED WHO OFFERED TO PROVIDE HIM WITH A $2000 …
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO K1500. THE CONTACT STATED THAT THE SUBFRAME OF THE VEHICLE WAS SEVERELY RUSTED. THE DEALER WAS NOTIFIED OF THE FAILURE WHO INFORMED THE CONTACT THAT THE SUB FRAME COULD NOT BE REPAIRED BUT WOULD NEED REPLACING. THE MANUFACTURER WAS CONTACTED WHO OFFERED TO PROVIDE HIM WITH A $2000 DISCOUNT TOWARD THE PURCHASE OF A NEW VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE CURRENT AND FAILURE MILEAGE WAS 115,000.
NHTSA ODI #10379404
190,000 miles · Dec 20, 2010
Structure
TL*THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE THE VEHICLE WAS PARKED THE CONTACT NOTICED THAT THE FRAME WAS EXTREMELY COVERED WITH RUST. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS CONTACTED AND STATED THAT THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS AND THEY WERE NOT RESPONSIBLE FOR THE REPAIRS. T…
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TL*THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE THE VEHICLE WAS PARKED THE CONTACT NOTICED THAT THE FRAME WAS EXTREMELY COVERED WITH RUST. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS CONTACTED AND STATED THAT THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS AND THEY WERE NOT RESPONSIBLE FOR THE REPAIRS. THE APPROXIMATE FAILURE MILEAGE WAS 190,000.
NHTSA ODI #10371779
169,354 miles · Nov 9, 2010
Structure
TL*THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE THE VEHICLE WAS BEING SERVICED, THE CONTACT WAS INFORMED THAT THE FRAME WAS RUSTED BENEATH THE DRIVER SIDE BETWEEN THE BOX AND THE CAB. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT HE WOULD BE RESPONSIBLE FOR REPAIR COSTS. THE VEHICLE…
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TL*THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. WHILE THE VEHICLE WAS BEING SERVICED, THE CONTACT WAS INFORMED THAT THE FRAME WAS RUSTED BENEATH THE DRIVER SIDE BETWEEN THE BOX AND THE CAB. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT HE WOULD BE RESPONSIBLE FOR REPAIR COSTS. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 169,354 AND THE CURRENT MILEAGE IS 169,439. UPDATED 2/17/11 *CN UPDATED 03/09/11
NHTSA ODI #10365157
65,400 miles · Aug 23, 2010
Service Brakes, HydraulicStructure
1999 CHEVROLET TRUCK, FRAME IS RUSTING AT AN ALARMING RATE. ALL OF THE BRAKE LINES HAVE BEEN REPLACED AFTER TWO DIFFERENT FAILURES. AT AGE 70 AND HAVING WORKED ON CARS FOR YEARS AS A HOBBIE, I HAVE NEVER SEE A VEHICLE RUST SO BAD. THE BRAKE LINES WERE GONE. I COULD HAVE WRECKED BECAUSE OF THE FAILURE. *TR
NHTSA ODI #10351375
130,232 miles · Aug 11, 2010
Structure
THE FRAME ON MY 1999 CHEVY SILVERADO 4X4 1500 REG. CAB HAS RUSTED OUT AND HAS A WHOLE/CRACK IN IT BY THE CROSSMEMBER, AND IS UNSAFE. I REPLACED ALL THE BRAKE LINES SEPT. 09 BECAUSE OF RUST. THIS VEHICLE HAS 9 WINTERS ON IT AND 130K, THE REST OF THE TRUCK IS IN VERY GOOD CONDITION. I FIND IT HARD TO BELIEVE GM IS NOT AWARE OF THI…
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THE FRAME ON MY 1999 CHEVY SILVERADO 4X4 1500 REG. CAB HAS RUSTED OUT AND HAS A WHOLE/CRACK IN IT BY THE CROSSMEMBER, AND IS UNSAFE. I REPLACED ALL THE BRAKE LINES SEPT. 09 BECAUSE OF RUST. THIS VEHICLE HAS 9 WINTERS ON IT AND 130K, THE REST OF THE TRUCK IS IN VERY GOOD CONDITION. I FIND IT HARD TO BELIEVE GM IS NOT AWARE OF THIS. THEY HAVE REFUSED ANY HELP. *TR
NHTSA ODI #10348877
197,130 miles · Mar 26, 2010
Structure
I HAVE A 1999 CHEVY SILVERADO EXTENDED CAB 4WD PICKUP. IT IS NO LONGER SAFE TO DRIVE BECAUSE THE LEFT SIDE OF THE FRAME NEAR THE GAS TANK HAS RUSTED THROUGH. THE REST OF THE FRAME IS FINE. MY MECHANIC SAYS HE HAS SEEN THIS A LOT LATELY.
NHTSA ODI #10322344
94,000 miles · Mar 24, 2010
Structure
I FORGOT TO ADD TO COMPLAINT CONFORMATION NUMBER 10321760 THAT FRAME CROSSMEMBERS WERE ALSO ROTTED OUT ONE OF WHICH HOLDS UP A FULL SIZE SPARE TIRE WHICH STARTED TO FALL ON MY TRUCK HAD TO TAKE OFF
NHTSA ODI #10321764
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.
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