Suspension - Front (4WD & AWD Torsion Bar): Description

Independent front suspension consists of upper and lower control arms with steering knuckle mounted between ball joints. See Fig 1 . Shock absorbers fit between lower control arm and frame. A stabilizer bar is mounted to frame side rails and connected to lower control arms.

Torsion bars are used in place of coil springs. Front of torsion bar attaches to lower control arm. Rear of torsion bar attaches to adjustable arm at torsion bar support crossmember. Adjustments to trim height are made here.

Fig 1: Exp. View Of Front Suspension (Astro & Safari Shown; Other Models Similar)

Courtesy of GENERAL MOTORS CORP.