Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Axle Flange Bolts

Courtesy of GENERAL MOTORS CORP.

Install the gasket onto the axle shaft.
Install the gasket and the axle shaft into the axle tube.
1. Ensure the shaft splines mesh into the differential side gear.
2. Align the holes in the axle flange and the gasket with the holes in the hub.

NOTE: Refer to Fastener Notice .

Install the axle flange bolts.
Tighten:
- For the 10.5 inch axle, tighten the rear axle flange bolts to 156 N.m (115 lb ft).
- For the 11.5 inch axle, tighten the rear axle flange bolts to 185 N.m (136 lb ft).
Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (11.5 Inch Axle) or Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle) or Rear Axle Lubricant Level Inspection (10.5 Inch Axle) .