Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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: Install Torsion Bars
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Install the torsion bar crossmember.
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 2: Torsion Bar Crossmember Bolts & Weld Nuts

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While supporting the adjustment arm, slide the torsion bar rearward until the torsion bar fully engages the adjustment arm.
Install the J 360202 to the adjustment arm and the crossmember.
Increase the tension on the adjustment arm in order to load the torsion bar.

Fig 3: Install J 36202 To Adjustment Arm & Crossmember
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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: Install Adjustment Bolt & Adjuster Nut

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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 .
Turn the adjustment bolt (2) clockwise to increase the Z height and counterclockwise to decrease the Z height.

Fig 5: Adjustment Bolt

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