GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1277097  Size: SH

    Important: 

       • The intake manifold, throttle body, fuel injection rail and fuel injectors may be removed as an assembly. If not servicing the individual components, install the intake manifold as a complete assembly.
       • DO NOT use the old intake manifold gaskets again. Install NEW intake manifold-to-cylinder head gaskets.

  1. Install NEW intake manifold-to-cylinder head gaskets (514).

  2. Object Number: 1201541  Size: SH
  3. Install the intake manifold.
  4. Apply a 5 mm (0.20 in) band of threadlock to the threads of the intake manifold bolts. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 63222  Size: SH
  6. Install the intake manifold bolts.
  7. Tighten

    1. Tighten intake manifold bolts (1-10) a first pass in sequence to 5 N·m (44 lb in).
    2. Tighten intake manifold bolts (1-10) a final pass in sequence to 10 N·m (89 lb in).

    Object Number: 1277093  Size: SH
  8. Install the manifold absolute pressure (MAP) sensor (714), if previously removed.
  9. The electrical connector end of the sensor should be facing the front of the engine.


    Object Number: 1201537  Size: SH
  10. Install the positive crankcase ventilation (PCV) hose.

  11. Object Number: 1235681  Size: SH
  12. Install the PCV hose - fresh air.
  13. Install the engine coolant air bleed hose and clamp onto the throttle body.

  14. Object Number: 1277094  Size: SH
  15. Install the evaporative (EVAP) emission canister purge solenoid valve (708), bolt (710), and isolator (709).
  16. Tighten
    Tighten the solenoid valve bolt to 10 N·m (89 lb in).