Yukon/Denali XL 1500 2WD V8-5.3L VIN Z Flex Fuel (2004)
11. Install the transmission mount nuts.
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Tighten the nuts to 40 Nm (30 ft. lbs.).
12. Remove the transmission jack.
13. Lower the vehicle.
14. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission Fluid Checking Procedure.