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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 484 (Front Suspension System) >> Repair Instructions >> Lower Control Arm Replacement (1500) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

For vehicles equipped with the aluminum lower control arm, the ball joint is NOT service separately. If the ball joint in the aluminum lower control arm is found to have excessive wear and is damaged, replace the lower control arm as an assembly.

  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. Remove the stabilizer shaft link from the lower control arm. Refer to Stabilizer Shaft Link Replacement (1500) , Stabilizer Shaft Link Replacement (2500) .
  4. Remove the wheel drive shaft, if equipped. Refer to Wheel Drive Shaft Replacement (2500) , Wheel Drive Shaft Replacement (1500) .
  5. Using mechanics wire or equivalent, support the knuckle assembly and upper control arm.
    6. Fig 1: View Of Lower Ball Joint Retaining Nut
    GM1761079Courtesy of GENERAL MOTORS COMPANY
  6. Remove and discard the lower ball joint retaining nut (1).
    7. Fig 2: View Of Lower Shock Absorber Module Mount Bolts
    GM1761077Courtesy of GENERAL MOTORS COMPANY
  7. Remove the lower shock module bolts from the lower control arm.
    8. Fig 3: Separating Lower Ball Joint From Steering Knuckle
    GM853943Courtesy of GENERAL MOTORS COMPANY
  8. Using the J-43631  separator and the J-45851  adapters, remove the lower ball joint from the steering knuckle.
    9. Fig 4: Lower Control Arm
    GM1870075Courtesy of GENERAL MOTORS COMPANY
  9. Remove the lower control arm nuts (1) and washers (2).
  10. Remove the control arm bolts (3).
  11. Remove the control arm (4).
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