GM Service Manual Online
For 1990-2009 cars only

    Object Number: 928320  Size: SH
  1. Remove the right secondary camshaft drive chain tensioner.
  2. Caution: Refer to Torque Reaction Against Timing Drive Chain Caution in the Preface section.


    Object Number: 1275677  Size: SH
  3. Use an open-end wrench on the hex cast into the right intake camshaft, in order to prevent the camshaft from rotating, when loosening the camshaft position actuator oil control valve on the right intake camshaft.

  4. Object Number: 1275678  Size: SH
  5. Use an open-end wrench on the hex cast into the right exhaust camshaft, in order to prevent the camshaft from rotating, when loosening the camshaft position actuator oil control valve on the right exhaust camshaft.

  6. Object Number: 928325  Size: SH
  7. Remove the right camshaft position actuator oil control valves from the right side camshafts.
  8. Slide the right camshaft position actuators off the right side camshafts.

  9. Object Number: 928328  Size: SH
  10. Remove the right secondary camshaft drive chain from the outer camshaft intermediate drive shaft sprocket teeth.
  11. Remove the right secondary camshaft drive chain from the engine.

  12. Object Number: 928332  Size: SH
  13. Remove the right secondary camshaft drive chain shoe bolt.
  14. Remove the right secondary camshaft drive chain shoe.

  15. Object Number: 928335  Size: SH
  16. Remove the right secondary camshaft drive chain guide bolt.
  17. Remove the right secondary camshaft drive chain guide.