Installation Procedure

Fig 1: Identifying Drain Plug

Courtesy of GENERAL MOTORS CORP.

Clean the drain plug and apply sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads.

NOTE: Refer to Component Fastener Tightening Notice .

Fig 2: Identifying Fill Plug

Courtesy of GENERAL MOTORS CORP.

Fill the transfer case with synthetic gear lubricant GM P/N 12378514 (Canadian P/N 88901045) to the bottom of the fill plug or 540 ml (18.2 oz.).
Clean the fill plug and apply adhesive GM P/N 12345493 (Canadian P/N 10953488) to the threads.
Install the fill plug.
Tighten: Tighten the fill plug to 39 N.m (29 lb ft).
Install the exhaust flexible pipe. Refer to Exhaust Flexible Pipe Replacement .
Lower the vehicle.