GM Service Manual Online
For 1990-2009 cars only

    Caution: Refer to Torque Reaction Against Timing Drive Chain Caution in the Preface section.


    Object Number: 1852301  Size: SH
  1. Use an open wrench on the hex cast into the camshaft in order to prevent engine rotation when loosening the camshaft position actuator bolt.
  2. Remove the left exhaust camshaft position actuator bolt.
  3. Remove the left exhaust camshaft position actuator.