Fluid - Transfer Case: Service and Repair

Transfer Case Fluid Replacement

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).




2. Remove the drain plug (2).
3. Remove the fill plug (1).

Installation Procedure




1. Clean and inspect the drain plug and case sealing surfaces.

Caution: Refer to Component Fastener Tightening Caution (Component Fastener Tightening Caution).

2. Install the drain plug (2) and tighten to 39 Nm (29 lb ft).
3. Fill the transfer case with synthetic gear lubricant GM P/N 89021677 (Canadian P/N 89021678) to the bottom of the fill plug, or 0.80 L (0.85 qt).
4. Install the fill plug (1) and tighten to 39 Nm (29 lb ft).
5. Lower the vehicle.