GM Service Manual Online
For 1990-2009 cars only

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 895087  Size: SH
  1. Install the intake manifold studs in the cylinder head.
  2. Tighten
    Tighten the intake manifold-to-cylinder head studs to 6 N·m (60 lb in).


    Object Number: 895191  Size: SH
  3. Install a new intake manifold gasket onto the intake manifold.
  4. Install the intake manifold.
  5. Install the intake manifold bolts and nuts. Tighten by starting from the center bolt and working outward.
  6. Tighten

        • Tighten the intake manifold-to-cylinder head bolts to 10 N·m (89 lb in).
        • Tighten the intake manifold-to-cylinder head nuts to 10 N·m (89 lb in).

    Object Number: 895190  Size: SH
  7. Install the fuel rail assembly.
  8. Install the fuel rail stud.
  9. Tighten
    Tighten the fuel rail bracket stud to 10 N·m (89 lb in).


    Object Number: 895188  Size: SH
  10. Install the throttle body. The gasket may be reused if not damaged.
  11. Tighten
    Tighten the throttle body bolts to 10 N·m (89 lb in).


    Object Number: 895185  Size: SH
  12. Install the pressure regulator vacuum harness.

  13. Object Number: 897471  Size: SH
  14. Install the knock sensor connector onto the intake manifold.