Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
20. Install the transmission cover bolts
Tighten the bolt to 12 Nm (106 inch lbs.).
21. Raise the front drive axle into position.
22. If equipped with 4WD, install the differential carrier upper mounting bolt and nut until snug. Do not tighten at this time.
23. If equipped with 4WD, instal the differential carrier lower mounting bolt and nut.
Tighten the bolts to 100 Nm (75 ft. lbs.).