Installation Procedure

Fig 1: Differential Carrier Assembly & Hole Plug

Courtesy of GENERAL MOTORS CORP.

Install the differential carrier assembly hole plug into the differential carrier assembly.
Apply a small amount of sealer GM P/N 12346004 (Canadian P/N 10953480) or equivalent onto the threads.

NOTE: Refer to Fastener Notice .

Tighten the differential carrier assembly hole plug.
Tighten: Tighten the differential carrier assembly hole plug to 28 N.m (21 lb ft).
Turn the front wheels to the straight ahead position.
Lower the vehicle.