Camber and Caster Adjustment

Camber and Caster Adjustment

Camber

1. WARNING: The electrical power to the air suspension system must be turned off prior to hoisting, jacking or towing an air suspension vehicle. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations. Failure to follow these instructions may result in personal injury.

Turn the air suspension service switch to the OFF position.
2. Using alignment equipment and the manufacturer's instructions, measure the camber and caster settings.

3. NOTE: Camber adjustment can effect caster and toe settings.





If necessary, remove and discard the cam bolt retainer flag.





4. Loosen the cam bolt nut.





5. Rotate the cam bolt to adjust camber.





6. While holding the cam bolt, tighten the nut to 225 Nm (166 ft. lbs.).
7. Recheck the camber, caster, toe and adjust as needed.

Caster

8. NOTE: Caster adjustment can effect camber and toe settings.

NOTE: The LH caster bushing may have a centering washer that needs to be removed and discarded prior to adjustment.





Loosen the bushing retaining nut and move the lower arm inward to decrease the caster and outward to increase the caster.
^ Snug the retaining nut.
9. Recheck the camber, caster and toe and adjust as needed.

10. NOTE: Do not tighten the bushing retaining nut until the weight of the vehicle is resting on the wheel and tire assemblies.

While holding the lower arm, tighten the bushing retaining nut.
^ For vehicles with cast aluminum arm, tighten to 200 Nm (148 ft. lbs.).
^ For vehicles with stamped steel arm, tighten to 175 Nm (128 ft. lbs.).
11. Recheck the camber, caster, toe and adjust as needed.
12. Turn the air suspension service switch to the ON position.