Yukon/Denali XL 1500 4WD V8-5.3L VIN T (2004)
Important: Use only drain and fill plugs that are made from aluminum. Steel or brass plugs are not compatible with the magnesium case.
1. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the threads of the drain and fill plugs.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the drain plug.
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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.
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Tighten the plug to 25 Nm (18 ft. lbs.).
5. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement.
6. Lower the vehicle.
