Express 2500 V6-4.3L VIN X (2005)
7. Remove the pinned adjusting cam insert. Do not reinstall the cam insert.
8. Loosen the upper control arm cam adjustment bolts.
Notice: Refer to Fastener Notice in Service Precautions.
9. Adjust the caster and the camber angle by turning the cam bolts until the specifications have been met. When the adjustments are complete, hold
the cam bolt head in order to ensure the cam bolt position does not change while tightening the nut.
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Tighten the upper control arm nuts to 175 Nm (129 ft. lbs.).
10. Verify that the caster and the camber are still within specifications. Refer to Wheel Alignment Specifications. When the caster and camber are
within specifications, adjust the toe.