1999 Chevrolet Silverado 1500

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.

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.

Driving 65 miles and I rear ended another vehicle from behind. The air bags did not deployed.

NHTSA ID

11549980

Incident

Oct 13, 2023

The contact owns a 1999 Cherverolt Silverado equipped with tire band Cooper tire line Discoverer HTP tire size 235/70R16 DOT not available. The contact noticed that the front driver-side tire had a sidewall compound on it. The contact added air to the tire, but the sidewall compound was still on the tire. The tire was not replaced. The manufacturer was not contacted. The failure mileage was 60,000. The VIN was not available.

NHTSA ID

11532856

Incident

Jun 17, 2023

Mileage

60,000 mi

The contact owns a 1999 Chevrolet Silverado 1500. The contact stated that there was a gap between the cab and the bed of the vehicle, and that the subframe of the vehicle was corroded. The check engine warning light was illuminated. The vehicle was taken to an independent dealer and the contact was informed that the catalytic converter needed to be replaced. The contact did not believe that the diagnostic result was not relative to the failure. Additionally, the contact stated that there were rust spots underneath the vehicle. The manufacturer was not notified of the failure. The failure mileage was approximately 134,000.

NHTSA ID

11518858

Incident

Apr 18, 2023

Mileage

134,000 mi

The contact owns a 1999 Chevrolet Silverado 1500. The contact stated that while driving 50 MPH, the vehicle stalled. The contact stated that an unknown warning light was illuminated during the failure. The contact was able to restart the vehicle and drove the vehicle to the dealer. The dealer performed a diagnostic test but was unable to retrieve a fault code. The contact also stated that while driving 60 MPH, the vehicle stalled. The contact was able to stay in the lane with the assistance of the police and other drivers for approximately 10 minutes before restarting the vehicle and resuming normal functionality. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 124,000.

NHTSA ID

11434919

Incident

Sep 29, 2021

Mileage

124,000 mi

The frame and suspension has overly corroded. The frame is falling apart so bad that when I shut the driver's door chunks of metal fall to the ground. I've had it assessed and they say it should not be this bad. Even in Michigan

NHTSA ID

11434444

Incident

Sep 8, 2021

I WENT TO HAVE AN OIL CHANGE AND WHEN THE GARAGE WENT TO LIFT THE TRUCK THE FRAME BUCKLED. THERE WAS SO MUCH RUST DAMAGE THAT THE FRAME WAS SOFT IN NUMEROUS PLACES. THE 1999 SILVERADO Z71 1500 TRUCK IS AN LT WITH ONLY 104,000 MILES. IT HAS BEEN GARAGED SINCE I PURCHASED IT NEW. IT LOOKS AND RUNS GREAT! THE BRAKE LINES RUSTED OUT 10 YEARS AGO AND I REPLACED WITH STAINLESS STEEL LINES.

NHTSA ID

11208180

Incident

May 9, 2019

Mileage

104,000 mi

BRAKE LINES HAVE RUSTED THROUGH. FIRST THE REAR BRAKE LINE BURST. A FEW MONTHS LATER A FRONT LINE BURST. BOTH TIMES VEHICLE WAS IN MOTION.

NHTSA ID

11202650

Incident

Apr 20, 2019

Mileage

165,000 mi

TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 800 (1500). WHILE THE CONTACT WAS PULLING INTO A PARKING SPOT, THE ANTI-LOCK BRAKES SEIZED ABRUPTLY AND THE VEHICLE ALMOST STRUCK A TREE. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 05V379000 (SERVICE BRAKES, HYDRAULIC); HOWEVER, THE CONTACT DID NOT REMEMBER BEING NOTIFIED. THE FAILURE WAS SIMILAR TO THE SYMPTOMS LISTED IN THE RECALL. THE CONTACT CALLED THE MANUFACTURER AND A CASE NUMBER WAS PROVIDED. NO FURTHER ASSISTANCE WAS OFFERED. JEFF BARNES CHEVROLET (6110 SYKESVILLE RD, ELDERSBURG, MD 21784, (410) 970-6363) MADE AN APPOINTMENT FOR THE RECALL REPAIR PROMPTLY. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE MILEAGE WAS 150,000.

NHTSA ID

11185743

Incident

Mar 9, 2019

Mileage

150,000 mi

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester  and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.