GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1012862  Size: SH

    Important: Do not reuse the intake manifold-to-cylinder head sealing gaskets.

  1. Remove and discard the intake manifold-to-cylinder head gaskets.

  2. Object Number: 1254532  Size: SH
  3. Remove the sight shield retainer ball studs.

  4. Object Number: 1254534  Size: SH
  5. Remove the manifold vacuum source cap.

  6. Object Number: 1254538  Size: SH
  7. Remove the vacuum boost fitting.