Reported Jun 1, 1984300 vehicles affectedVOLVO GM HEAVY TRUCK CORPBuilt May 1, 1983 – May 1, 1984
The defect
Front hubs were machined improperly and could split or break at the wheel mounting flange. The wheel mounting flange holds the wheel and brake drum system together. Wheel and brake drum could separate from vehicle.
Vehicle description: heavy trucks equipped with disc wheels.system: suspension; wheel hub and brake drum.consequences of defect: if the wheel and drum detach, an accident could result.note: warning signs of impending failure are wheel wobble and brake drag.