For 1990-2009 cars only
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.
- Install the drain plug (1) and tighten 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) and tighten to 15 N·m (11 lb ft).
- Lower the vehicle.
Caution: Refer to Component Fastener Tightening Caution in the Preface section.
