Service brakes, airRecall 79V-177 · 1979 White Truck Western Star
WHITE MOTOR CORPORATION recall 79V-177 covers 250 1979 White Truck Western Star for a service brakes, air problem, reported to NHTSA on July 25, 1979.
Source: NHTSA recall 79V177000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from October 1, 1978 to March 1, 1979. Not every vehicle in these model years is included; check by VIN.