SOME OF THE VEHICLES MAY HAVE MANGANESE BRONZE SPRING CLIP PLATES USED AS A SUBSTITUTE FOR MALLEABLE IRON. THE SUBSTITUTE CLIPS, WHICH ARE USED TO ATTACH THE SUSPENSION SPRING TO THE REAR AXLE, MAY CRACK ALLOWING THE ASSEMBLY TO LOOSEN. THIS CAN CAUSE REAR AXLE DISPLACEMENT.
Manufacturer remedy
THE DEALER WILL REPLACE THE MANGANESE BRONZE CLIPS WITH MALLEABLE IRON CLIP PLATES AT NO COST TO OWNER.
THE INVOLVED VEHICLES WERE BUILT WITH CERTAIN TRACTOR PROTECTION VALVES WHICH MAY CONTAIN AN EXTRA VALVE. THIS MAY PREVENT THE TRAILER BRAKES FROM FULLY RELEASING AFTER A LOW PRESSURE APPLICATION, CAUSING THE TRAILER BRAKES TO DRAG.
Manufacturer remedy
THE DEALER WILL INSPECT FOR THE PRESENCE OF THE EXTRA CHECK VALVE. IF FOUND, THE EXTRA CHECK VALVE WILL BE REMOVED. THIS WILL BE DONE AT NO CHARGE.
LOSS OF LIGHTS AND ENGINE SHUTDOWN MAY OCCUR AS A RESULT OF ELECTRICAL SYSTEM FAILURE DUE TO IMPROPER CIRCUIT CRIMPING AND POTENTIAL HEATER MOTOR CIRCUIT OVERLOADING. ALSO, THE FUEL SOLENOID MAY BE IMPROPERLY FUSED AND THE HEADLIGHT HARNESS IMPROPERLY ROUTED.
Manufacturer remedy
THE DEALER WILL MAKE THE NECESSARY CORRECTIONS, FREE OF CHARGE TO THE OWNER.
Service brakes, air: antilock: control unit/module
Manufacturer
WHITE MOTOR CORPORATION
Vehicles affected
39
Reported to NHTSA
1978-06-12
Owners notified
1978-07-21
Defect description
THE INVOLVED VEHICLES MAY HAVE BEEN BUILT WITH POWER UNIT ANTI-SKID LOGIC MODULES ON TAG AXLE INSTALLATIONS INSTEAD OF THE CORRECT TRAILER TYPE MODULES. SINCE THE TAG AXLE SENSOR OUTPUT IS LESS THAN THAT OF THE POWER UNIT SENSOR, IT REQUIRES THE MORE SENSITIVE TRAILER MODULE. AS SENSOR OUTPUT OVER TIME DROPS BELOW MINIMUM REQUIREMENTS, ONE OF TWO THINGS WILL HAPPEN: (1) THE ANTI-LOCK SYSTEM ON THE TAG AXLE WILL SHUT DOWN AND THE CAB MOUNTED FAULT LAMP WILL LIGHT OR (2) THE SYSTEM WILL BECOME INOPERATIVE WITHOUT ACTIVATING THE FAULT LIGHT. THIS FAILS TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKES".
Manufacturer remedy
DEALER WILL REPLACE THE INCORRECT ANTI-LOCK MODULE WITHOUT CHARGE TO OWNER.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.