Chevrolet Silverado / GMC Sierra. Service manual — part 2280

5. Install the lower ball joint in the steering knuckle.

Fig. 22: View Of Lower Ball Joint Retaining Nut
Courtesy of GENERAL MOTORS CORP.

6. Install the lower ball joint retaining nut.

Tighten: Tighten nuts to 110 N.m (81 lb ft).

2008 Chevrolet Silverado 1500

2008 SUSPENSION Front Suspension - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 23: View Of Lower Shock Absorber Module Mount Bolts
Courtesy of GENERAL MOTORS CORP.

7. Install the lower shock absorber module mount bolts.

Tighten: Tighten bolts to 50 N.m (37 lb ft).

8. Remove the support for the steering knuckle and upper control arm.

9. Install the wheel drive shaft, if equipped. Refer to Wheel Drive Shaft Replacement

(2500) or Wheel Drive Shaft Replacement (1500) .

10. Install the stabilizer shaft link to the lower control arm. Refer to Stabilizer Shaft Link

Replacement (2500/3500) or Stabilizer Shaft Link Replacement (1500).

11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .

2008 Chevrolet Silverado 1500

2008 SUSPENSION Front Suspension - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

12. Remove the support and lower the vehicle.

13. Align the front end. Refer to Wheel Alignment Measurement .

LOWER CONTROL ARM REPLACEMENT (2500, 3500)

Special Tools

J 43631 Ball Joint Separator. See Special Tools.

J 45851 Ball Joint Separator Protector Adapters. See Special Tools.

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .

3. Using mechanics wire or equivalent, support the knuckle and upper control arm.

4. Remove the stabilizer shaft links from the lower control arm. Refer to Stabilizer Shaft

Replacement (2500, 3500) or Stabilizer Shaft Replacement (1500).

5. Remove the shock absorber module. Refer to Shock Absorber Replacement (2500

Series).

6. Remove the torsion bars. Refer to Torsion Bar and Support Assembly Replacement

(Bushing Style) or Torsion Bar and Support Assembly Replacement (Link Style).

7. Remove the wheel drive shafts. Refer to Wheel Drive Shaft Replacement (2500) or

Wheel Drive Shaft Replacement (1500) .

2008 Chevrolet Silverado 1500

2008 SUSPENSION Front Suspension - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 24: Separating Lower Ball Joint From Steering Knuckle (RWD)
Courtesy of GENERAL MOTORS CORP.

8. Using the J 43631 and the J 45851 , remove the lower ball joint from the steering knuckle.

See Special Tools.

2008 Chevrolet Silverado 1500

2008 SUSPENSION Front Suspension - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado