GM Service Manual Online
For 1990-2009 cars only

Tools Required

J45482 Debris Screen

Removal Procedure


    Object Number: 959177  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold. Refer to Intake Manifold Replacement .
  3. Install the J45482.
  4. Disconnect the camshaft position sensor electrical harness connector. Remove the wire from the clip.

  5. Object Number: 894811  Size: SH
  6. Disconnect the electrical harness connector from the ignition module.

  7. Object Number: 945750  Size: SH
  8. Remove the ignition module.
  9. Remove the oil filler tube and cap assembly.

  10. Object Number: 945777  Size: SH
  11. Remove the camshaft cover bolts.
  12. Remove the camshaft cover.

  13. Object Number: 895914  Size: SH
  14. Remove the camshaft cover seals.
  15. Important: Ensure all 8 sealing O-rings are accounted for. The O-rings may stick to the camshaft bearing caps or they may fall into the engine.

  16. Clean the camshaft cover.
  17. Clean the sealing surfaces.

Installation Procedure


    Object Number: 895914  Size: SH
  1. Lightly coat the new seals, including the O-rings, with engine oil prior to installation to assist in holding the O-ring seals to the camshaft cover.
  2. Install the camshaft cover O-ring seals.

  3. Object Number: 959740  Size: SH
  4. Install the camshaft cover gaskets to the camshaft cover.
  5. Apply a thing coat of Permatex® The Right Stuff® (or equivalent) on the front and rear of the camshaft cover as shown in figure indicated by the arrows.

  6. Object Number: 945777  Size: SH
  7. Install the camshaft cover to the cylinder head.
  8. Notice: Refer to Fastener Notice in the Preface section.

  9. Install the camshaft cover bolts.
  10. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  11. Install the oil filter tube and cap assembly.

  12. Object Number: 945750  Size: SH
  13. Install the ignition module.
  14. Tighten
    Tighten the ignition module bolt to 8 N·m (71 lb in).

  15. Connect the camshaft position sensor electrical connector.
  16. Install the intake manifold. Refer to Intake Manifold Replacement .
  17. Connect the negative battery cable.
  18. Tighten
    Tighten the battery terminal bolts to 17 N·m (13 lb ft).

  19. Start the engine and inspect for oil leaks.