Wheel Alignment Specifications & Procedures: Other GMC Vandura P3500

JACKING & HOISTING

Vehicle may be raised by floor jack or vehicle hoist. Ensure hoist or jack supports vehicle at proper lifting points. (Scheme 9)-6. If vehicle is to be raised on a twin-post hoist, use caution not to damage suspension, rear axle cover and/or steering linkage components.

Scheme 9

Scheme 10

Scheme 11

Scheme 12

Scheme 13

Scheme 14

"C" & "K" SERIES

1. Original control arm does not allow adjustment of camber and caster. Camber and caster may be adjusted only by using Adjustment Kit (G.M. 15538596). Raise vehicle and support under lower control arms. Remove and discard upper control arm-to-frame bracket bolts, nuts and washer.
2. Remove large washers welded to upper control arm frame brackets. Remove weld beads from upper control arm bracket. Grind area smooth. Install adjustment cams to bracket. (Scheme 15)
3. Install bolt. Adjust camber and caster to correct specifications by rotating bolt head. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-54799-S39854345382001011800000). Tighten nuts to specification. See «TORQUE SPECIFICATIONS»(ref-54799-S09803140982001011800000).

Scheme 15

ASTRO, SAFARI, "G", "P", "R" & "S" SERIES

Camber and caster angle may be adjusted using shims. (Scheme 16) Loosen upper control arm shaft-to-frame nuts. Remove original shims from bolts and add or remove shims to meet specification. See WHEEL ALIGNMENT SPECIFICATIONS. Tighten nuts to specification when servicing is complete. See TORQUE SPECIFICATIONS.

Scheme 16

LUMINA APV, SILHOUETTE & TRANS SPORT

1. Caster is not adjustable. Measure caster to check for bent or damaged parts. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-54799-S39854345382001011800000). Replace damaged components if necessary.
2. For camber adjustment, loosen both strut-to-knuckle bolts enough to allow movement. (Scheme 17) Adjust camber to specification by moving top of wheel in or out. See «WHEEL ALIGNMENT SPECIFICATIONS»(ref-54799-S39854345382001011800000). Tighten strut-to-knuckle bolts to specification. See «TORQUE SPECIFICATIONS»(ref-54799-S09803140982001011800000).

Scheme 17

"V" SERIES

Caster and camber are not adjustable.

"T" SERIES

Caster and camber adjustments are made by means of cams on upper control arm frame attaching bolts. (Scheme 18) Loosen upper control arm-to-frame attaching nuts. Rotate cam by rotating bolt head. Adjust caster and camber to specification. See WHEEL ALIGNMENT SPECIFICATIONS.

Tighten nuts to specification. See TORQUE SPECIFICATIONS .

Scheme 18