MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1977-09-19.
Recall campaignNHTSA 77V149000
Wheels: multi piece
Component
Wheels: multi piece
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
250
Reported to NHTSA
1977-09-19
Owners notified
1978-01-17
Defect description
THE FRONT WHEEL ALUMINUM HUBS ON THE INVOLVED VEHICLES MAY BE SUBJECT TO CRACKS WHICH MAY PROGRESS CIRCUMFERENTIALLY AROUND THE BARREL OF THE HUB. THIS COULD LEAD TO A FRACTURE IN THE "BARREL" POSITION OF THE HUB AND COMPLETE HUB FAILURE.
Manufacturer remedy
DEALER WILL INSTALL STEEL HUBS IN PLACE OF ALUMINUM HUBS WITHOUT CHARGE TO OWNER.
Notes
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH FF-931 FRONT AXLES.SYSTEM: WHEELS; ALUMINUM HUBS, FRONT.CONSEQUENCES OF DEFECT: HUB FAILURE COULD RESULT IN LOSS OF VEHICLE CONTROL ANDAN ACCIDENT.NOTE: HUB FAILURE MAY BE INDICATED BY AN AUDIBLE SOUND AT THE INSTANT OF HUBSEPARATION, ALONG WITH THUMPING OR WHEEL WOBBLE. HUB MAY SEPARATE FROM THEWHEEL AND STILL BE RETAINED ON THE AXLE.
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.