OFFICIAL NHTSA RECALL
79V123000
Service Brakes, Air
Reported May 22, 1979 · MAGIRUS DEUTZ A.G., WEST
Summary
THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". DUE TO THE USE OF A LOAD PROPORTIONING VALVE IN THE BRAKE SYSTEM, THE BRAKE ACTIVATION AND RELEASE TIME IN AN UNLOADED CONDITION, MAY NOT MEET THE REQUIREMENTS. IN ADDITION, A DOUBLE CHECK VALVE REQUIRED ON A TWO AIR TANK SYSTEM WAS INADVERTENTLY OMITTED.
Consequence
Not supplied in the source record.
Remedy
THE LOAD PROPORTIONING VALVE WILL BE REMOVED AND THE SYSTEM WILL BE "REPLUMBED" IN ORDER TO MEET SAFETY STANDARD REQUIREMENTS.
Notes
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; LOAD PROPORTIONING VALVE.CONSEQUENCES OF DEFECT: FAILURE TO MEET THE FULL REQUIREMENTS OF THE SAFETYSTANDARD MAY INCREASE THE RISK OF A VEHICLE ACCIDENT UNDER CERTAIN TRAFFICCONDITIONS.
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 ↗