Avalanche 2500 4WD V8-8.1L VIN G (2003)
2. Install the drain plug.
Tighten the plug to 25 Nm (18 ft. lbs.).
3. Fill the transfer case to the bottom of the fill plug hole with DEXRON(R)-III, GM P/N 12346143, (Canadian P/N 10952622).
4. Install the fill plug.
Tighten the plug to 25 Nm (18 ft. lbs.).
5. Install the transfer case shield, if equipped.
6. Lower the vehicle.
