Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing The Torsion Bars From The Vehicle

Courtesy of GENERAL MOTORS CORP.

Install the torsion bars to the lower control arm.
Install the torsion bar crossmember.

Fig 2: Torsion Bar Crossmember, Bolts & Weld Nuts

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NOTE: Refer to Fastener Notice .

Install the torsion bar crossmember bolts (1) to the weld nuts (4).
Tighten: Tighten the bolt to 95 N.m (70 lb ft).

Fig 3: Upper Link, Mounting Nuts & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the upper link mounting nuts and the bolts (3).
Tighten: Tighten the nut to 95 N.m (70 lb ft).

Fig 4: J 36202, Adjustment Arm & Crossmember

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. See Special Tools .
Increase the tension on the adjustment arm in order to load the torsion bar.

Fig 5: Torsion Bar, Adjustment Bolt & Nut

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 6: Torsion Bar, Adjustment Bolt & Nut (MN8, MT1 And MW3)

Courtesy of GENERAL MOTORS CORP.

Install the adjustment bolt (3) and the adjuster nut (4).
Remove the J 36202 releasing the tension on the torsion bar until the load is taken up by the adjustment bolt. See Special Tools .
Remove the safety stands.
Lower the vehicle.
Measure the Z height. Refer to Trim Height Inspection .