Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Yukon, 2003 Cadillac Escalade EXT, 2003 Cadillac Escalade ESV, and 2003 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Important: Use only drain and fill plugs that are made from aluminum. Steel or brass plugs are not compatible with the magnesium case.

Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the threads of the drain and fill plugs.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the drain plug.
Tighten

Tighten the plug to 25 N.m (18 lb ft).
Fill the transfer case to the bottom of the fill plug hole with DEXRON®(R)-III, GM P/N 12346143, (Canadian P/N 10952622).

Fig 1: Installing Drain Plug
Courtesy of GENERAL MOTORS CORP.
Install the fill plug.
Tighten

Tighten the plug to 25 N.m (18 lb ft).
Install the transfer case shield, if equipped. Refer to TRANSFER CASE SHIELD REPLACEMENT .
Lower the vehicle.

Fig 2: Installing Fill Plug
Courtesy of GENERAL MOTORS CORP.