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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1587 (Front Suspension System) >> Repair Instructions >> Torsion Bar and Support Assembly Replacement (Bushing Style) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the torsion bar in the lower control arm.
    2. Fig 1: Torsion Bar Crossmember, Bolts & Weld Nuts
    GM348347Courtesy of GENERAL MOTORS CORP.
  2. Install the torsion bar in the crossmember (2) on the crossmember mount (3).
    3. CAUTION: Refer to Fastener Caution .
  3. Install the torsion bar crossmember bolt (4) in the weld nut (1) and tighten to 110 N.m (81 lb ft)..
    4. Fig 2: Torsion Bar, Adjustment Bolt & Nut
    GM348349Courtesy of GENERAL MOTORS CORP.
  4. Install the adjustment arm (2) in the crossmember (1).
  5. Install the adjuster bolt (3) and the adjuster nut (4).
  6. Install the torsion bar into the adjustment arm until the torsion bar is fully seated.
    7. Fig 3: Installing Special Tool To Adjustment Arm & Crossmember
    GM360742Courtesy of GENERAL MOTORS CORP.
  7. Install the J 36202  to the adjustment arm and the crossmember. See Special Tools .
  8. Using the J 36202  , increase the tension on the adjustment arm to load the torsion bar. See Special Tools .
  9. Turn the adjuster bolt the same amount of turns as it took to remove it.
  10. Remove the J 36202  from the crossmember. See Special Tools .
  11. Remove the safety stands and lower the vehicle.
  12. Measure the Z height. Refer to Trim Height Inspection .
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