GM Service Manual Online
For 1990-2009 cars only
  1. Loosen the nut on the upper control arm cam bolt.
  2. Loosen the nut on the lower control arm cam bolt.

  3. Object Number: 821226  Size: SH
  4. Rotate the cam bolts in order to adjust the camber and the toe to the specification. Refer to Wheel Alignment Specifications.

  5. Object Number: 821118  Size: SH
  6. Measure the distance (b) from the lower left control arm bracket bolt to the right rear crossmember bolt.
  7. Measure the distance (a) from the lower right control arm bracket bolt to the left rear crossmember bolt.
  8. Verify the difference between measurement (a) and measurement (b) are within the specification.
  9. Specification
    The difference between measurement (a) and measurement (b) should be 6 mm (0.24 in) or less.

    Caution: Refer to Fastener Caution in the Preface section.

  10. Tighten the nuts on the control arm cam bolts to 74 N·m (54.6 lb ft).
  11. Measure the alignment.
  12. Adjust the rear camber and toe if necessary.