The defect
THE REAR WHEEL MOUNTING BOLTS ON THE AFFECTED VEHICLES, ARE BRITTLE AND THEREFORE MAY FRACTURE. THIS BRITTLENESS IS DUE TO IMPROPER HEAT TREATMENT DURING MANUFACTURE. IF THE BOLTS BREAK, THE TIRE AND WHEEL ASSEMBLY MAY SEPARATE FROM THE VEHICLE.
The remedy
DEALER WILL INSPECT AND, IF NECESSARY, WILL REPLACE DEFECTIVE BOLTS ON ALL AXLES AND THE TEN REAR AXLE WHEEL MOUNTING BOLTS, FREE OF CHARGE.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|
Components: WHEELS:LUGS/NUTS/BOLTS/STUDS
Other wheels recalls in 1977
14 of the 245 recall campaigns reported to NHTSA in 1977 concerned the wheels; GENERAL MOTORS CORP. filed 1,195 campaigns in all.
| 77V237000 28 Dec 1977 | WHITE MOTOR CORPORATION |
| 77V241000 28 Dec 1977 | CHRYSLER CORPORATION |
| 77V199000 15 Nov 1977 | FORD MOTOR COMPANY |
| 77V180000 17 Oct 1977 | INTERNATIONAL HARVESTER |
| 77V172000 12 Oct 1977 | GENERAL MOTORS CORP. |
| 77V149000 19 Sept 1977 | MACK TRUCKS, INCORPORATED |
| 77V139000 13 Sept 1977 | AMERICAN HONDA MOTOR CO. |
| 77V121000 12 Aug 1977 | FREIGHTLINER CORP. |
NHTSA recalls (public domain) · all recalls of 1977