Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
- Remove the drain plug (1).
- Remove the fill plug (1).
Installation Procedure
- Clean the drain plug and apply sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads.
Notice: Refer to Component Fastener Tightening Notice in the Preface section.
- Install the drain plug (1).
Tighten
Tighten the drain plug to 24 N·m (18 lb ft).
- Fill the transfer case with synthetic gear lubricant GM P/N 12378514 (Canadian P/N 88901045) to the bottom of the fill plug, or 540 ml (18.2 oz).
- Clean the fill plug and apply adhesive GM P/N 12345493 (Canadian P/N 10953488) to the threads.
- Install the fill plug (1).
Tighten
Tighten the fill plug to 15 N·m (11 lb ft).
- Lower the vehicle.