Removal Procedure

Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
Fig 1: Identifying Transfer Case Oil Drain And Fill Plugs
Courtesy of GENERAL MOTORS COMPANY

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

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

Remove and DISCARD the oil drain plug (2) and seal.
Remove and DISCARD the fill plug (1) and seal.
Allow the transfer case to drain completely.