GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1536553  Size: SH
  1. Do not lift the manifold by the electrical lead frame.

  2. Object Number: 1565280  Size: SH
  3. Remove the manifold bolts (506).
  4. Remove the manifold (451).

  5. Object Number: 1402024  Size: SH

    Important: Remove only the outer gasket from the manifold. Do not disassemble any of the internal components of the manifold in an attempt to remove the 8 inner sealing gaskets. If the inner gaskets are cut or damaged, replace the manifold as an assembly. Only use a wire-cutter type tool in order to minimize the amount of debris. Do not use a rotary-type cutting tool on the retaining straps.

  6. Identify the 8 gasket strap retaining strap locations (1-8).

  7. Object Number: 1402010  Size: SH
  8. Using a wire-cutter type tool, snip the 8 retaining straps.

  9. Object Number: 1402014  Size: SH
  10. Remove the outer gasket (556) from the manifold.