Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: When performing the following procedure, use only hand tools to remove and install the drain and fill plugs.

Fig 1: View Of Transfer Case and Fill Plug

Courtesy of GENERAL MOTORS CORP.

Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
Reposition the underbody insulation as necessary to gain access to the fill plug.
Remove the fill plug (6) using the DT-48371 .

Fig 2: View Of Transfer Case and Drain Plug

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Ensure that an approved drain pan is used when draining the transfer case.

Remove the drain plug (8).
Allow the transfer case to drain completely.