Sierra 3500 2WD V8-6.0L VIN U (2004)
8. Remove the adjusting nut.
9. Remove the hub from the axle housing.
10. Remove the rotor, if necessary.
11. Remove the oil seal from the wheel hub using a suitable seal removal tool.
12. Remove the inner hub bearing.
13. Remove the inner hub bearing cup using a brass drift and a hammer.