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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1015 (Front Suspension System) >> Repair Instructions >> Lower Control Arm Replacement (2500, 3500) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Lower Control Arm
    GM1870076Courtesy of GENERAL MOTORS CORP.
  1. Install the lower control arm (4).
  2. Install the lower control arm bolts (3).
  3. Install the washers (2).
    4. NOTE: Refer to Fastener Notice .
  4. Install the lower control arm retaining nuts (1).

    Tighten:  Tighten nuts to 175 N.m (129 lb ft).

  5. Install the torsion bars. Refer to Torsion Bar and Support Assembly Replacement (Bushing Style)  or Torsion Bar and Support Assembly Replacement (Link Style) .
  6. Install the lower ball joint in the steering knuckle.
  7. Install the wheel drive shaft. Refer to Wheel Drive Shaft Replacement (2500) or Wheel Drive Shaft Replacement (1500) .
    8. Fig 2: Removing/Installing The Lower Ball Joint Retaining Nut
    GM830506Courtesy of GENERAL MOTORS CORP.
  8. Install the lower ball joint retaining nut.

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

  9. Install the shock module. Refer to Shock Absorber Replacement (2500 Series) .
  10. Remove the support for the knuckle and upper control arm.
  11. Install the stabilizer shaft links to the lower control arm. Refer to Stabilizer Shaft Replacement (2500, 3500)  or Stabilizer Shaft Replacement (1500) .
  12. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  13. Remove the supports and lower the vehicle.
  14. Align the front end. Refer to Wheel Alignment Measurement .
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