OFFICIAL NHTSA RECALL
79V177000
Service Brakes, Air
Reported Jul 25, 1979 · WHITE MOTOR CORPORATION
Summary
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.
Consequence
Not supplied in the source record.
Remedy
DEALER WILL EITHER REBUILD THE VALVE OR PERMANENTLY DISABLE THE ANTI-LOCK SYSTEM WITHOUT CHARGE.
Notes
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.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗