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Vehicle recall 77V200000 · November 16, 1977

Oldsmobile 88, Pontiac Bonneville and 7 more models

The rear wheel mounting bolts on the affected vehicles, are brittle and therefore may fracture.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
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.
Notes
Vehicle description: passenger vehicles.system: suspension; rear wheel mounting bolts.consequences of defect: if separation occurs under vehicle operation, loss ofvehicle control without prior warning and an accident could result.

Recall details

NHTSA campaign
77V200000
Reported to NHTSA
November 16, 1977
Filed by
GENERAL MOTORS CORP.
Vehicles potentially affected
4,504
Initiated by
the manufacturer
Components
Wheels › Lugs/nuts/bolts/studs
Recall 77V200000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Buick dealer can also check your VIN. Recall repairs are free.