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NHTSA Campaign 77V096000

WHEELS

Issued by MACK TRUCKS, INCORPORATED · Reported Jun 17, 1977 · 825 vehicles affected

What's wrong

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.

Remedy

THE DEALER WILL REPLACE ALL SUSPECT FRONT WHEEL STUDS, WITHOUT CHARGE TO OWNER.

Vehicles affected by this recall

Make Model Year Units
MACK CF 1977 825
MACK DM 1977 825
MACK F 1977 825
MACK MB 1977 825
MACK R 1977 825
MACK RD 1977 825
MACK RM 1977 825

Source: NHTSA Campaign 77V096000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.