GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2007 🢒 H3 🢒 Preface 🢒 Cautions and Notices 🢒 Torsion Bar Replacement

Removal Procedure

    Notice: Use care when handling the torsion bars in order to avoid chipping or scratching the coating. Damage to the coating will result in premature failure of the torsion bars.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Allow the front suspension to hang in the rebound position.
  3. Mark the adjuster bolt.

    4. Object Number: 942302 Size: SH

    Important: To aid in re-assembly record the number of turns that are required to remove the adjuster bolt.

  4. Remove the adjuster bolt, spacer and adjuster nut.

    5. Important: Take note that the torsion bars are specific to the left and right sides of the vehicle.


    Object Number: 1559086 Size: SH
  5. Remove the adjustment arms and torsion bars as a unit, moving it rearward to disengage the lower control arm.

Installation Procedure

    Object Number: 1559086 Size: SH
  1. Install the adjustment arms and torsion bars in relation to where the bars were removed.
  2. Install the adjustment arm to the torsion bar and slide the torsion bar forward until the torsion bar fully engages the lower control arm.

    3. Object Number: 942302 Size: SH
  3. Install the adjuster bolt, spacer and adjuster nut.
  4. Lower the vehicle.
  5. Check the Z-Height. Refer to Trim Height Specifications .