GM S10/S15/Sonoma Pick-Ups 1982-1993 Repair Manual



See Figure 1

The rear axle identification code and manufacturer's code must be known before attempting to adjust or repair axle shafts or rear axle case assembly. Rear axle ratio, differential type, manufacturer, and build date information is normally stamped on the right axle tube on the forward side.

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Fig. Fig. 1: Rear axle identification codes are normally stamped on the front of the right axle tube