Removal Procedure
Important: When performing the following procedure, use only hand tools to remove and install the drain and fill plugs.
- Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
- Remove the transfer case shield, if equipped. Refer to
Transfer Case Shield Replacement
.
- Remove the fill plug.
- Remove the drain plug.
Important: Ensure that an approved drain pan is used when draining the transfer case.
- Allow the transfer case to drain completely.
Installation Procedure
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.
Notice: Refer to Fastener Notice in the Preface section.
- 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 the recommended fluid. Refer to
Adhesives, Fluids, Lubricants, and Sealers
.
- 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.