Torsion Bars & Support: Installation

1. Install torsion bar rubber insulators, spacer and support retainer onto support. Install support assembly onto frame, slightly behind mounting holes.
2. Install adjusting arm and seal onto torsion bar. Slide torsion bar into lower control arm in original position. Slide torsion bar support forward, engaging rear of torsion bar in support. Install support mounting bolts, nuts and washers. Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS  table.
3. Install adjusting bolt and nut on each torsion bar. Add tension to torsion bar with Torsion Bar Unloading Tool (J-36202). Ensure adjusting bolt is positioned to setting marked before removal. Release tension on unloading tool until tension is taken up by adjusting bolt. Remove unloading tool. Lower vehicle. Check wheel alignment and adjust ride height. See SPECIFICATIONS & PROCEDURES - TRUCKS article in WHEEL ALIGNMENT.

Fig 1: Exploded View Of Torsion Bar & Support Assembly

Courtesy of GENERAL MOTORS CORP.