WHITE TRUCK WESTERN STAR 1979: SERVICE BRAKES, AIR
NHTSA Campaign ID Number: 79V177000
| Make | Model | Year |
|---|---|---|
| WHITE TRUCK | WESTERN STAR | 1979 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1980-01-03 | 1979-07-25 | 1979-10-12 |
Production Dates: 1978-10-01 - 1979-03-01
Manufacturers Involved: Volvo Trucks North America
Component: SERVICE BRAKES, AIR
Potential Number Of Units Affected: 250
Report Initiator: MFR MFR Report
Regulation Part Number: 571
Federal Motor Vehicle Safety Standard Number: 121
THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS", IN REGARD TO DEFECTIVE BRAKE APPLICATION AND IMPROPER RELEASE TIME. ALSO, THE ANTI-LOCK VALVES WERE MANUFACTURED WITH AN ANTI-LOCK PISTON WHICH, WITH EXTENDED USE, MAY STICK. THIS PREVENTS AIR FROM BEING DELIVERED TO THE AIR BRAKE CHAMBERS SUPPLIED BY THESE VALVES.
DEALER WILL EITHER REBUILD THE VALVE OR PERMANENTLY DISABLE THE ANTI-LOCK SYSTEM WITHOUT CHARGE.
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; RELAY VALVE.CONSEQUENCES OF DEFECT: THIS CONDITION WOULD RESULT IN A PARTIAL LOSS OFBRAKING ACTION AND EXTENDED VEHICLE STOPPING DISTANCES. THIS SITUATION COULDLEAD TO AN ACCIDENT.
