GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 945375  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Remove the upper intake manifold with the lower intake manifold. Refer to Lower Intake Manifold Replacement .
  3. Disconnect the ignition coil electrical connectors.

  4. Object Number: 945337  Size: SH
  5. Remove the wiring harness from the side of the camshaft cover by sliding the conduit down and outboard.
  6. Remove the wiring conduit retainers from the camshaft cover by rotating the wiring harness conduit retainers counterclockwise.

  7. Object Number: 945343  Size: SH

    Important: It is not necessary to disconnect the engine front cover electrical connectors.

  8. Remove the wiring harness from the front of the camshaft cover.
  9. Reposition and secure the wiring harnesses away from the camshaft cover in order to provide clearance.

  10. Object Number: 868186  Size: SH
  11. Remove the ignition coils.

  12. Object Number: 902871  Size: SH
  13. Remove the camshaft cover.
  14. Remove and discard the camshaft cover seal and grommets.

Installation Procedure

  1. Install a NEW camshaft cover seal and NEW grommets.

  2. Object Number: 902871  Size: SH
  3. Install the camshaft cover. Refer to Camshaft Cover Installation - Left Side .

  4. Object Number: 868186  Size: SH
  5. Install the ignition coils.

  6. Object Number: 945343  Size: SH
  7. Install the wiring harness to the front of the camshaft cover.
  8. Install the wiring harness conduit retainers to the wiring harness conduit.

  9. Object Number: 945337  Size: SH
  10. Install the wiring harness to the side of the camshaft cover.

  11. Object Number: 945375  Size: SH
  12. Connect the ignition coil electrical connectors.
  13. Install the upper intake manifold with the lower intake manifold. Refer to Lower Intake Manifold Replacement .
  14. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .