Yukon/Denali 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. Install the drain plug.
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Tighten the plug to 20 Nm (15 ft. lbs.).
2. Fill the transfer case to the bottom of the fill plug hole with Auto-Trak II, transfer case fluid, GM P/N 12378508 (Canadian P/N 10953626).
3. Install the fill plug.
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Tighten the plug to 20 Nm (15 ft. lbs.).
4. Install the transfer case shield, if equipped.
5. Lower the vehicle.
