Preliminary Procedures

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement.

1

Transfer Case Drain Plug

Caution: Refer to Fastener Caution in the Preface section.

Procedure

1. Allow the transfer case to drain completely.
2. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the plug threads.

Tip
Use only hand tools to remove and install the drain plug.

Tighten
18 N·m (13 lb ft)

2

Transfer Case Fill Plug

Procedure

1. Fill the transfer case to the bottom of the fill plug hole with DEXRON® VI GM P/N 88861003 (Canadian P/N 88861004).
2. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the plug threads.

Tip
Use only hand tools to remove and install the fill plug.

Tighten
18 N·m (13 lb ft)