GM Service Manual Online
For 1990-2009 cars only

    Object Number: 423455  Size: SH
  1. Loosen the adjuster plug lock nut (1).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Tighten the adjuster plug to 15 N·m (11 lb ft).
  4. Turn the adjuster plug back  30 degrees.
  5. Install the adjuster plug lock nut (1) to the adjuster plug and tighten to 75 N·m (55 lb ft).