GM Service Manual Online
For 1990-2009 cars only

    Object Number: 682823  Size: SH
  1. Install the pressure relief valve in the intake manifold.
  2. Install the pressure relief valve bolts.
  3. Tighten
    Tighten the pressure relief valve bolts to 8 N·m (71 lb in).


    Object Number: 682822  Size: SH

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

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