GM Service Manual Online
For 1990-2009 cars only

    Object Number: 869526  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, remove the manifold as a complete assembly.

    DO NOT use the intake manifold-to-cylinder head gaskets again.

  1. Remove the positive crankcase ventilation (PCV) hose (1) and valve (2).

  2. Object Number: 863068  Size: SH
  3. Remove the manifold absolute pressure (MAP) sensor (1), if required.
  4. Remove the engine coolant air bleed clamp and hose from the throttle body.

  5. Object Number: 869529  Size: SH
  6. Remove the evaporative emission (EVAP) solenoid (3), bolt (2), and isolator (1).

  7. Object Number: 863069  Size: SH
  8. Remove the intake manifold bolts.
  9. Remove the intake manifold with gaskets.

  10. Object Number: 492770  Size: SH
  11. Separate the intake manifold-to-cylinder head gaskets (1) from the manifold.
  12. Discard the intake manifold gaskets.