NHTSA Campaign Id 75V032000; Date: Feb. 19, 1975
1975 Buick Century; 1975 Buick Regal; 1975 Chevrolet Chevelle; 1975 Chevrolet El Camino; 1975 Chevrolet Monte Carlo; 1975 GMC Sprint; 1975 Oldsmobile Cutlass; 1975 Pontiac Grand Am; 1975 Pontiac Lemans
Component: Power Train:axle Assembly:axle Shaft
Manufactured by: General Motors Corp.
Affected Units:: 220,982
Oldsmobile and Buick campaign no 75-c-7. Chevrolet campaign no 75-c-08. Pontiac campaign no 75-c-9. Dates of manufacture for Chevrolet, Buick,Oldsmobile and GMC are sept thru Nov 1974. Pontiac dates are sept 1974 thrujan 1975. No station wagons are involved. Possibility that the rear axle wasassembled with rear axle shaft outer bearing (rear wheel bearing) with thrustplates that were not heat treated. If the inner or outer thrust plates ofthese bearings are not hardened, the rollers can wear through and allow therear axle shaft to move with respect to axle housing. (correct by inspectingand replacing axle assemblies where necessary. )
Date Owners notified by Manufacturer: Feb 20, 1975
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