Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Install the torsion bars to the lower control arm.

Fig 1: Installing Torsion Bars From Vehicle
Courtesy of GENERAL MOTORS CORP.
Install the torsion bar crossmember.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
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 To Weld Nuts
Courtesy of GENERAL MOTORS CORP.
While supporting the adjustment arm, slide the torsion bar rearward until the torsion bar fully engages the adjustment arm.
Install the J 36202 to the adjustment arm and the crossmember.
Increase the tension on the adjustment arm in order to load the torsion bar.

Fig 3: Installing J 36202 To Adjustment Arm & Crossmember
Courtesy of GENERAL MOTORS CORP.

Important: Install the adjustment bolt the same amount of turns that were required to remove the bolt during removal.
Install the adjustment bolt (3) and the adjuster nut (4).

Fig 4: Installing Adjustment Bolt & Adjuster Nut
Courtesy of GENERAL MOTORS CORP.
Remove the J 36202 releasing the tension on the torsion bar until the load is taken up by the adjustment bolt.
Remove the safety stands.
Lower the vehicle.
Measure the Z height. Refer to TRIM HEIGHT INSPECTION PROCEDURE in Suspension General Diagnosis.
Turn the adjustment bolt (2) clockwise to increase the Z height and counterclockwise to decrease the Z height.

Fig 5: Turning Adjustment Bolt To Increase & Decrease Z Height
Courtesy of GENERAL MOTORS CORP.