GM Service Manual Online
For 1990-2009 cars only

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


    Object Number: 1852296  Size: SH

    Important: Some models use a second design inverted tooth timing drive system on the secondary drive components. Refer to Camshaft Timing Drive Design Identification for more information on specific changes.

  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 intake camshaft position actuator bolt.
  3. Remove the left intake camshaft position actuator.