GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1923251  Size: MH
  1. Loosen the upper control arm nut (2).
  2. Rotate the upper control arm adjusting bolt (1), to adjust the camber.
  3. Snug the upper control arm nut (2), do not tighten at this time.
  4. Reinspect the rear camber specifications and adjust as necessary.
  5. Hold the upper control arm adjusting bolt (1).
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Tighten the upper control arm nut (2).
  8. Tighten
    Tighten the nut (2)  to 110 N·m (81 lb ft).

  9. Repeat the procedure for the other rear wheel.