GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1241458  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the breather hose from the valve cover.

  3. Object Number: 1252099  Size: SH
  4. Remove the eight bolts from the valve cover.
  5. Remove the valve cover.
  6. Remove the valve cover gasket.
  7. Clean the sealing surfaces.

Installation Procedure


    Object Number: 1252099  Size: SH
  1. Install the new valve cover gasket and the valve cover.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the eight bolts to the valve cover.
  4. Tighten
    Tighten the valve cover bolts to 9 N·m (80 lb in).


    Object Number: 1241458  Size: SH
  5. Connect the breather tube to the valve cover.
  6. Connect the negative battery cable.