Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005

Torsion Bar

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
    NOTE
    Special tool J-36202, or its equivalent, is necessary for this procedure.

  2.  
  3. Remove or disconnect the following:

    Wheels
     

  4.  
  5. Support the lower control arm with a floor jack.
  6.  
  7. Matchmark both torsion bar adjustment bolt positions.
  8.  
  9. Using tool J-36202, increase the tension on the adjusting arm.
  10.  
  11. Remove or disconnect the following:

    Adjustment bolt and retaining plate
     

  12.  
  13. Move the tool aside, and slide the torsion bars forward.

    Adjusting arms
     
    Torsion bar support crossmember and slide the support crossmember rearwards
     
    Torsion bars, matchmark the position. They are not interchangeable
     
    Support crossmember
     
    Retainer, spacer and bushing from the support crossmember
     

  14.  

To install:

  1. Install or connect the following:

    Retainer, spacer and bushing to the support crossmember
     
    Support assembly on the frame, out of the way
     
    Torsion bars, sliding them forward until they are supported. Align the marks made when removed.
     
    Support crossmember into position. Torque the center nut to 18 ft. lbs. (24 Nm), the edge nuts to 46 ft. lbs. (62 Nm).
     
    Adjuster retaining plate and bolt on each torsion bar
     

  2.  
  3. Using tool J-36202, increase tension on both torsion bars.
  4.  
  5. Set the adjustment bolt to the marked position.
  6.  
  7. Release the tension on the torsion bar until the load is taken up by the adjustment bolt.
  8.  
  9. Install both wheels

    Click image to see an enlarged view

    Fig. Installing the torsion bar-K-Series

  10.  

  1. Before servicing the vehicle, refer to the Precautions section.
    NOTE
    Special tool J-36202, or its equivalent, is necessary for this procedure.

  2.  
  3. Remove or disconnect the following:

    Wheels
     

  4.  
  5. Support the lower control arm with a floor jack.
  6.  
  7. Matchmark both torsion bar adjustment bolt positions.
  8.  
  9. Using tool J-36202, increase the tension on the adjusting arm.
  10.  
  11. Remove or disconnect the following:

    Adjustment bolt and retaining plate
     

  12.  
  13. Move the tool aside, and slide the torsion bars forward.

    Adjusting arms
     
    Torsion bar support crossmember and slide the support crossmember rearwards
     
    Torsion bars, matchmark the position. They are not interchangeable
     
    Support crossmember
     
    Retainer, spacer and bushing from the support crossmember
     

  14.  

To install:

  1. Install or connect the following:

    Retainer, spacer and bushing to the support crossmember
     
    Support assembly on the frame, out of the way
     
    Torsion bars, sliding them forward until they are supported. Align the marks made when removed.
     
    Support crossmember into position. Torque the center nut to 18 ft. lbs. (24 Nm), the edge nuts to 46 ft. lbs. (62 Nm).
     
    Adjuster retaining plate and bolt on each torsion bar
     

  2.  
  3. Using tool J36202, increase tension on both torsion bars.
  4.  
  5. Set the adjustment bolt to the marked position.
  6.  
  7. Release the tension on the torsion bar until the load is taken up by the adjustment bolt.
  8.  
  9. Install both wheels

    Click image to see an enlarged view

    Fig. Installing the torsion bar-1999 K-Series

  10.  


NOTE
This procedure requires the removal of both torsion bars.

  1. Raise and support the vehicle.
  2.  
  3. Mark the adjustment bolt setting. Install tool J-6202 to the adjustment arm and the crossmember.
  4.  
  5. Increase the tension on the adjustment arm until the load is removed from the adjustment bolt and the adjuster nut.
  6.  
  7. Remove or disconnect the following:
    NOTE
    Note the position of the torsion bars as the left and right bars are different.



    Adjustment bolt and the adjuster nut
     
    Tool, allowing the torsion bar to unload
     
    Adjustment arm by sliding the torsion bar forward until the torsion bar clears the adjustment arm. Use your hand to support the adjustment arm as the adjustment arm releases from the torsion bar.

    Click image to see an enlarged view

    Fig. Retainer installation-torsion bar-2000-06 models

     
    Torsion bar crossmember bolts from the weld nuts (15 Series)
     
    Upper link mounting nuts and the bolts (25 Series)

    Click image to see an enlarged view

    Fig. Adjuster nut removal-15 Series-2000-06 models

     
    Torsion bar crossmember
     
    Torsion bars
     



    Click image to see an enlarged view

    Fig. Adjuster bolt removal-15 Series-2000-06 models

  8.  

To install:

  1. Install or connect the following:

    Torsion bars
     
    Torsion bar crossmember
     
    Torsion bar crossmember bolts to the weld nuts (15 Series). Tighten the bolt to 70 ft. lbs. (95 Nm)
     
    Upper link mounting nuts and the bolts (25 Series). Tighten the nut to 70 ft. lbs. (95 Nm)
     

  2.  
  3. While supporting the adjustment arm, slide the torsion bar rearward until the torsion bar fully engages the adjustment arm. Install tool J36202 to the adjustment arm and the crossmember. Increase the tension on the adjustment arm in order to load the torsion bar.

    Adjustment bolt and the adjuster nut
     

  4.  
  5. Remove the tool, releasing the tension on the torsion bar until the load is taken up by the adjustment bolt.
  6.  
  7. Remove the safety stands.
  8.  
  9. Lower the vehicle.
  10.  
  11. Measure the ride height.
  12.  
  13. Turn the adjustment bolt clockwise to increase the ride height and counterclockwise to decrease it.
  14.  


NOTE
This procedure requires the removal of both torsion bars.

  1. Raise and support the vehicle.
  2.  
  3. Mark the adjustment bolt setting. Install tool J36202 to the adjustment arm and the crossmember.
  4.  
  5. Increase the tension on the adjustment arm until the load is removed from the adjustment bolt and the adjuster nut.

    Click image to see an enlarged view

    Fig. Retainer installation



    Click image to see an enlarged view

    Fig. Adjuster nut removal

  6.  
  7. Remove or disconnect the following:
    NOTE
    Note the position of the torsion bars as the left and right bars are different.



    Adjustment bolt and the adjuster nut
     
    Tool, allowing the torsion bar to unload.
     
    Adjustment arm by sliding the torsion bar forward until the torsion bar clears the adjustment arm. Use your hand to support the adjustment arm as the adjustment arm releases from the torsion bar.
     
    Torsion bar crossmember bolts
     
    Torsion bar crossmember
     
    Torsion bars
     



    Click image to see an enlarged view

    Fig. Adjuster bolt removal

  8.  

To install:

  1. Install or connect the following:

    Torsion bars
     
    Torsion bar crossmember
     
    Torsion bar crossmember bolts. Tighten the bolt to 70 ft. lbs. (95 Nm)
     

  2.  
  3. While supporting the adjustment arm, slide the torsion bar rearward until the torsion bar fully engages the adjustment arm. Install tool J36202 to the adjustment arm and the crossmember. Increase the tension on the adjustment arm in order to load the torsion bar.

    Adjustment bolt and the adjuster nut
     

  4.  
  5. Remove the tool, releasing the tension on the torsion bar until the load is taken up by the adjustment bolt.
  6.  
  7. Remove the safety stands.
  8.  
  9. Lower the vehicle.
  10.  
  11. Measure the ride height.
  12.  
  13. Turn the adjustment bolt clockwise to increase the ride height and counterclockwise to decrease it.
  14.  

 
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