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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 802 (Front Suspension System) >> Repair Instructions >> Torsion Bar Replacement >> Installation Procedure

Installation Procedure

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  1. Install the torsion bars to the lower control arm.
    Fig 1: Installing Torsion Bar
    G01662731Courtesy of GENERAL MOTORS CORP.
  2. Install the torsion bar crossmember.
    CAUTION: Refer to FASTENER NOTICE .
  3. Install the torsion bar crossmember bolts (1) to the weld nuts (4).

    Tighten 

    Tighten the bolt to 95 N.m (70 lb ft).

    Fig 2: Installing Torsion Bar Crossmember Bolts & Nuts
    G01662732Courtesy of GENERAL MOTORS CORP.
  4. Install the upper link mounting nuts and the bolts (3).

    Tighten 

    Tighten the nut to 95 N.m (70 lb ft).

    Fig 3: Installing Upper Link Mounting Nuts & Bolts
    G01662733Courtesy of GENERAL MOTORS CORP.
  5. While supporting the adjustment arm, slide the torsion bar rearward until the torsion bar fully engages the adjustment arm.
  6. Install the J 36202  to the adjustment arm and the crossmember.
    7. Fig 4: Installing J 36202
    G01662734Courtesy of GENERAL MOTORS CORP.
  7. Increase the tension on the adjustment arm in order to load the torsion bar.

    Important:  Install the adjustment bolt the same amount of turns that were required to remove the bolt during removal.

  8. Install the adjustment bolt (3) and the adjuster nut (4).
    Fig 5: Installing Adjustment Bolts & Nuts
    G01662735Courtesy of GENERAL MOTORS CORP.
  9. Install the adjustment bolt (3) and the adjuster nut (4), for vehicles with MN8, MT1 AND MW3.
    10. Fig 6: Installing Adjustment Bolts & Nuts (MN8, MT1 & MW3)
    G01662736Courtesy of GENERAL MOTORS CORP.
  10. Remove the J 36202  releasing the tension on the torsion bar until the load is taken up by the adjustment bolt.
  11. Remove the safety stands.
  12. Lower the vehicle.
  13. Measure the Z height. Refer to TRIM HEIGHT INSPECTION PROCEDURE .
  14. Turn the adjustment bolt (2) clockwise to increase the Z height and counterclockwise to decrease the Z height.
    Fig 7: Locating Adjustment Bolt
    G01662737Courtesy of GENERAL MOTORS CORP.
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