Sierra Classic 2500 4WD V8-8.1L (2007)
5. For 15 Series 2WD/4WD and 25/35 Series 2WD, install the control arm using the following procedure:
1. Install the upper control arm.
2. Install the upper control arm bolts (4).
3. Install the upper control arm nuts and the adjustment cams (2).
6. Connect the upper control arm to the steering knuckle.
7. Install a new nut to the upper ball joint stud.
Tighten the nut to 50 Nm (37 ft. lbs.).
8. Install the retaining bolts for the brake hose and wheel speed sensor brackets.
Tighten the bolts to 9 Nm (80 inch lbs.).
9. Install the tire and wheel.
10. Remove the safety stands.
11. Lower the vehicle.
12. Verify the wheel alignment. Refer to Measuring Wheel Alignment.
