GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1289763  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the breather tube from the valve cover.
  3. Disconnect all of the necessary vacuum lines.
  4. Remove the spark plug cover bolts.
  5. Remove the spark plug cover.

  6. Object Number: 1289764  Size: SH
  7. Disconnect the ignition wires from the spark plugs.
  8. Disconnect the camshaft position sensor connector.
  9. Remove the camshaft cover bolts.

  10. Object Number: 1289765  Size: SH
  11. Remove the camshaft cover.
  12. Remove the camshaft cover gasket from the camshaft cover.

Installation Procedure


    Object Number: 1289765  Size: SH
  1. Apply a small amount of gasket sealant to the corners of the front camshaft caps and the top of the rear camshaft cover-to-cylinder head seal.
  2. Install the new camshaft cover gasket to the camshaft cover.

  3. Object Number: 1289764  Size: SH
  4. Install the camshaft cover.
  5. Caution: Refer to Fastener Caution in the Preface section.

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

  8. Connect the ignition wires to the spark plugs.
  9. Install the spark plug cover.

  10. Object Number: 1289763  Size: SH
  11. Install the spark plug cover bolts.
  12. Tighten
    Tighten the spark plug cover bolts to 8 N·m (71 lb in).

  13. Connect the camshaft position sensor connector.
  14. Connect all of the necessary vacuum lines.
  15. Connect the breather tube to the camshaft cover.
  16. Connect the negative battery cable.