GM Service Manual Online
For 1990-2009 cars only

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1564164  Size: SH
  1. Install the intake manifold sight shield ball studs.
  2. Tighten
    Tighten the intake manifold ball studs to 7 N·m (62 lb in).


    Object Number: 1564160  Size: SH
  3. Install the intake manifold plug.
  4. Tighten
    Tighten the intake manifold plug to 2 N·m (18 lb in).


    Object Number: 1564158  Size: SH
  5. Install the vacuum cap.

  6. Object Number: 1012862  Size: SH

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

  7. Install NEW intake manifold-to-cylinder head gaskets.