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Vehicle recall 83V045000 · April 27, 1983

Chevrolet C10, GMC C15 and 6 more models

The locking screw that retains the pinion shaft in place in the differential could come loose.

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

Summary
The locking screw that retains the pinion shaft in place in the differential could come loose. The pinion shaft turns the gears inside the differential that rotate the drive axles and rear wheels. If the locking screw comes loose, it could damage other components or jam in the gears. If the pinion shaft comes loose, the rear wheels may no longer power the vehicle.
Remedy
The dealer will replace the differential lock screw at no charge.
Notes
Vehicle description: light trucks equipped with eaton locking differential.system: power train; differential shaft lock screw.consequences of defect: if the failure should occur while the vehicle is inmotion, the driver may lose control of the vehicle and an accident couldresult.

Recall details

NHTSA campaign
83V045000
Reported to NHTSA
April 27, 1983
Filed by
GENERAL MOTORS CORP.
Owner notification
May 3, 1983
Vehicles potentially affected
6,204
Initiated by
NHTSA’s Office of Defects Investigation
Components
Power train › Driveline › Differential unit
Recall 83V045000 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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