OFFICIAL NHTSA RECALL
77V051000
Service Brakes, Air:antilock:interconnecting Assembly(wiring)
Reported Apr 12, 1977 · FRUEHAUF CORPORATION
Summary
THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE S121 BOGIE CONTROL AIR BRAKE SYSTEM WAS INSTALLED IN SUCH A WAY THAT THE REAR AXLE AIR CONTROL BYPASSED THE FRONT SKID CONTROL AIR MODULATOR VALVE. IMPROPER INSTALLATION WOULD ALLOW THE REAR AXLE TO LOCK UP IN A PANIC STOP.
Consequence
Not supplied in the source record.
Remedy
THE DEALER WILL REROUTE THE BRAKE AIR CONTROL LINES TO THE REAR AXLE OF THE BOGIE THROUGH THE FRONT SKID CONTROL AIR SYSTEM TO COMPLY WITH THE SAFETY STANDARD.
Notes
VEHICLE DESCRIPTION: FREIGHT TRAILERS.SYSTEM: SERVICE BRAKES; AIR PIPING, REAR AXLE.CONSEQUENCES OF DEFECT: IF THE REAR AXLE LOCKS UP, LOSS OF VEHICLE CONTROL ANDAN ACCIDENT COULD RESULT.
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 ↗