Rear Wheel Drive

Important: Before adjusting the caster and the camber angles, the front bumper should be jounced three times to allow the vehicle to return to the normal height. Refer to TRIM HEIGHT in SUSPENSION GENERAL DIAGNOSIS.

1. The caster and the camber adjustments are made by inserting shims between the upper control arm shaft and the frame bracket. The shims may be added, subtracted, or transferred in order to change the readings.
2. In order to adjust the caster and the camber, loosen the upper control arm shaft to frame nuts (1). Add or subtract the shims (2) as required. Torque the nuts. Check the toe-in after changing the caster or the camber.
3. Adjust the caster by transferring the front shims to the rear, or the rear shims to the front. The transfer of the one shim from the rear bolt to the front bolt caster.
4. Adjust the camber by changing the shims at both the front and the rear of the shaft. Adding an equal number of shims at both the front and rear of the cross shaft will decrease positive camber.
5. A normal shim pack will leave at least two and one-half threads of the bolt exposed beyond the nut. The maximum shim pack cannot be thicker than 19.5 mm (0.77 in). The difference between the front shim packs and the rear shim packs must not exceed 10 mm (0.40 in). If these requirements cannot be met, check for damaged control arms and damaged related parts.

NOTICE: Always use the correct fastener in the proper location. When you replace a fastener, use ONLY the exact part number for that application. The manufacturer will call out those fasteners that require a replacement after removal. The manufacturer will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion inhibitors) on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and joint clamping force, and may damage the fastener. When you install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and systems.

6. Tighten the nut on the thinner shim pack first.

Tighten
Tighten the nuts to 110 Nm (81 ft. lbs.)

Tightening the nut on the thinner shim pack first improves the shaft to frame clamping force and torque retention.