Section 14 (Drive Axle - 7.5", 7.625", 8.5" & 9.5"): Description

WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 1990 GMC Vandura Special, 1990 GMC Vandura, 1990 GMC Safari, 1990 GMC S15 Pickup, and 1990 GMC S15 Jimmy. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The 8 1/2" ring gear drive axle is also used as front drive axle on K10/20 models. These models may also be equipped with a Dana front drive axle. See appropriate article in this section.

Axle assembly is hypoid gear type with integral carrier housing. It is used on Light Duty emission vehicles with semi-floating axles. Pinion bearing preload is made with a collapsible spacer. Differential side bearing preload adjustment and drive pinion depth adjustment are made by shims.

A removable housing cover permits inspection and minor servicing of differential without removing axle from vehicle. Service procedures are same for all assemblies, except for torque specifications and special tool numbers.