Installation Procedure

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Install a new gasket and the rear axle housing cover (2).
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Important: Do not reuse the rear axle housing cover bolts.
Install the new rear axle housing cover bolts (1).
Tighten

Tighten the bolts to 40 N.m (30 lb ft).
Fill the rear axle. Use the proper fluid.

Fig 1: Installing New Rear Axle Housing Cover Bolts (8.6 Inch Axle)
Courtesy of GENERAL MOTORS CORP.
Install the rear axle fill plug.
Tighten

Tighten the rear axle fill plug to 33 N.m (24 lb ft).
Lower the vehicle.

Fig 2: Installing Rear Axle Fill Plug (8.6 Inch Axle)
Courtesy of GENERAL MOTORS CORP.