NHTSA recall campaign
77V096000
ManufacturerMACK TRUCKS, INCORPORATEDReported1977-06-17Affected825 vehicles
What was wrong
Defect
THE FRONT WHEEL RIM CLAMP STUDS, INSTALLED ON THE INVOLVED VEHICLES, MAY NOT HAVE BEEN MANUFACTURED CORRECTLY, CAUSING A BRITTLE CONDITION IN THE THREAD ROOT AREA. THE STUDS COULD EVENTUALLY CRACK AND BREAK WHEN WHEEL NUTS ARE TIGHTENED TO SPECIFICATIONS.
Manufacturer remedy
THE DEALER WILL REPLACE ALL SUSPECT FRONT WHEEL STUDS, WITHOUT CHARGE TO OWNER.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →