NHTSA recall 86V005000
Power train › Axle assembly › Axle shaft
Mack Mack
The defect
Incorrect inner wheel bearings were installed in the rear axles which wears a groove in the spindle due to a poor fit. consequence of defect: a deep groove could cause the axle housing to break and result in a vehicle crash without prior warning.
The remedy
Replace inner wheel bearing with correct bearing. also, if a groove IS present, remove the groove and assure that no cracks are present. replace housing if cracked.