GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2026589  Size: SH
  1. Remove the 4 camshaft position sensor bolts (1).
  2. Remove the 4 camshaft position sensors (2).

  3. Object Number: 2026590  Size: SH
  4. Remove the 4 camshaft position actuator valve bolts (1).
  5. Note: The camshaft position actuator valves must be removed from the front cover prior to front cover removal or damage to the valves may occur.

  6. Remove the 4 camshaft position actuator valves (2) from the front cover.

  7. Object Number: 1863230  Size: SH
  8. Remove the 20 engine front cover bolts.

  9. Object Number: 1863240  Size: SH

    Note: Do not pry between the engine front cover and the camshaft position sensors or the camshaft position actuators in order to separate the RTV. Use the pry points and a bolt in the jackscrew hole in order to remove the engine front cover. Damage to the camshaft position sensors or the camshaft position actuators may occur if the camshaft position sensors or the camshaft position actuators are used to pry against in order to remove the engine front cover.

  10. Loosely install a 10 x 1.5 mm bolt in the jackscrew hole (1).
  11. Using the pry points (2) located at the edge of the front cover and the jackscrew, separate the room temperature vulcanizing (RTV) sealant.

  12. Object Number: 1863231  Size: SH
  13. Remove the engine front cover.