GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1571756  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. Reposition the positive crankcase ventilation (PCV) hose clamp.
  3. Remove the PCV hose from the cover.

  4. Object Number: 1578480  Size: SH
  5. Disconnect the intake (2) and exhaust (1) camshaft position actuator solenoid valve electrical connectors.

  6. Object Number: 1683133  Size: SH
  7. Remove the fuel feed pipe retainer (2) from the fuel pipe bracket.

  8. Object Number: 1684377  Size: SH
  9. Remove the fuel feed pipe bracket bolt and bracket.

  10. Object Number: 1578473  Size: SH
  11. Disconnect and remove the ignition coil electrical connector harness clips from the cover.
  12. Remove the ignition coils. Refer to Ignition Coil Replacement.

  13. Object Number: 1578306  Size: SH
  14. Remove the camshaft cover bolts.
  15. Remove the camshaft cover.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1578306  Size: SH
  1. Install the camshaft cover and bolts and tighten to 10 N·m (89 lb in).

  2. Object Number: 1578473  Size: SH
  3. Install the ignition coils. Refer to Ignition Coil Replacement.
  4. Install and connect the ignition coil electrical connector harness clips to the cover.

  5. Object Number: 1684377  Size: SH
  6. Install the fuel feed pipe bracket and bolt and tighten the bolt to 10 N·m (89 lb in).

  7. Object Number: 1683133  Size: SH
  8. Install the fuel feed pipe retainer (2) to the fuel pipe bracket.

  9. Object Number: 1578480  Size: SH
  10. Connect the intake (2) and exhaust (1) camshaft position actuator solenoid valve electrical connectors.

  11. Object Number: 1571756  Size: SH
  12. Install the PCV hose to the cover.
  13. Position the PCV hose clamp.
  14. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.