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Transport Canada Vehicles

1975 Western Star 4800 Recall

Issued August 18, 1975
Issue
Hazard description
DESIGN AND RESULTANT MACHINING DEFICIENCIES HAS CREATED AN UNACCEPTABLE CONDITION AT THE AREA OF THE HOLE FOR CONNECTING THE TIE ROD ARM ON STEERING KNUCKLE ASSEMBLIES PROVIDED WITH THE F3W SERIES FRONT AXLES. THE BOSS THROUGH WHICH THIS HOLE IS DRILLED WAS OVER MACHINED ON THE OUTER SURFACE AND THE HOLE WAS NOT CENTERED WITHIN THE BOSS. THIS CONDITION CAN CAUSE FAILURE OF THE STEERING KNUCKLE, RESULTING IN LOSS OF STEERING CONTROL WITHOUT WARNING TO THE OPERATOR, WITH VEHICLE CRASH THE POTENTIAL OCCURRENCE.
Vehicle
WESTERN STAR 4800