Avalanche 2500 4WD V8-8.1L VIN G (2003)
5. Remove the upper ball joint retaining nut.
6. Disconnect the upper control arm from the steering knuckle using the J 42188-B.
7. Remove the upper control arm nuts and the adjustment cams (2) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
8. Remove the upper control arm bolts (4) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
9. Remove the upper control arm nuts and the adjustment cams (2) for the 25/35 Series 4WD.
10. Remove the upper control arm bolts (4) for the 25/35 Series 4WD.
11. Remove the upper control arm.
Installation Procedure
1. Install the upper control arm.