Transfer Case Fluid Replacement

Transfer Case Fluid Replacement

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .




2. Remove the drain plug (1).




3. Remove the fill plug (1).



Installation Procedure





1. 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 .

2. Install the drain plug (1).

Tighten the drain plug to 24 N.m (18 lb ft).

3. 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).




4. Clean the fill plug and apply adhesive GM P/N 12345493 (Canadian P/N 10953488) to the threads.
5. Install the fill plug (1).

Tighten the fill plug to 15 N.m (11 lb ft).

6. Lower the vehicle.