GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36202 Torsion Bar Unloading/Loading Tool

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 the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 165126  Size: SH
  3. Install the J 36202 to the torsion bar adjuster arm.
  4. Using the J 36202 , increase the tension on the adjustment arm.

  5. Object Number: 165119  Size: SH
  6. Remove the adjustment bolt and the retaining nut.
  7. Record the number of turns required in order to remove the adjuster bolt.

  8. Remove the J 36202 from the adjuster arm.

  9. Object Number: 165128  Size: SH
  10. Slide the torsion bar forward and remove the adjustment arm.

  11. Object Number: 165137  Size: SH
  12. Slide the torsion bar back partially through the crossmember.
  13. Important: Note the L for left and the R for right on the front end of the torsion bar because there are different bars for the left and right sides.


    Object Number: 165135  Size: SH
  14. Drop the front end of the torsion bar down and slide the bar forward.

Installation Procedure

    Important: Note the L for left or R for right on the front end of the torsion bar because there are different bars for the left and right sides.


    Object Number: 165137  Size: SH
  1. Install the torsion bar.

  2. Object Number: 165119  Size: SH
  3. Lubricate the adjuster arm and the bolt with axle grease.

  4. Object Number: 165128  Size: SH
  5. Install the torsion bar adjuster arm.

  6. Object Number: 165126  Size: SH
  7. Install the adjustment bolt and retaining nut. Using the J 36202 , increase the tension on the torsion bar.
  8. Install the J 36202 to the adjuster arm.

  9. Object Number: 165122  Size: SH
  10. Set the adjustment bolt to the recorded setting.

  11. Object Number: 360742  Size: SH
  12. Using the J 36202 , release the tension on the torsion bar until the load is taken up by the adjustment bolt.
  13. Remove the J 36202 .
  14. Lower the vehicle.
  15. Check the Z height. Refer to Trim Height Inspection in Suspension General Diagnosis.