GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1758495  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine beautification cover bolts and nuts.
  3. Remove the engine beautification cover.
  4. Disconnect the breather hose and PCV hose from the cylinder head cover.

  5. Object Number: 1758498  Size: SH
  6. Disconnect the ignition wires from the spark plugs.
  7. Disconnect the camshaft position sensor connector.
  8. Remove the cylinder head cover bolts.

  9. Object Number: 1758500  Size: SH
  10. Remove the cylinder head cover.
  11. Remove the cylinder head cover gasket from the cylinder head cover.

Installation Procedure


    Object Number: 1758500  Size: SH
  1. Apply a small amount of gasket sealant to the corners of the front camshaft caps and the top of the rear cylinder head cover-to-cylinder head seal.
  2. Install the new cylinder head cover gasket to the cylinder head cover.

  3. Object Number: 1758498  Size: SH
  4. Install the cylinder head cover.
  5. Notice: Refer to Fastener Notice in the Preface section.

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

  8. Connect the ignition wires to the spark plugs.

  9. Object Number: 1758495  Size: SH
  10. Connect the camshaft position sensor connector.
  11. Connect the breather hose and PCV hose to the cylinder head cover.
  12. Install the engine beautification cover.
  13. Tighten
    Tighten the engine beautification cover bolts and nuts to 8 N·m (71 lb in).

  14. Connect the negative battery cable.