GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1041032  Size: SH
  1. Loosen the intake manifold plenum duct clamp.
  2. Remove the intake manifold plenum duct.

  3. Object Number: 1254539  Size: SH
  4. Remove the evaporative emission (EVAP) purge valve bolt.
  5. Remove the EVAP purge valve.

  6. Object Number: 1254541  Size: SH
  7. Remove the manifold absolute pressure (MAP) sensor bolt.
  8. Remove the MAP sensor.

  9. Object Number: 1254542  Size: SH
  10. Remove the bypass hose clamp.
  11. Remove and discard the bypass hose.

  12. Object Number: 1254544  Size: SH
  13. Remove the heater hose fitting.

  14. Object Number: 1254547  Size: SH
  15. Remove the engine coolant air bleed fitting.
  16. Remove the EVAP purge valve and MAP sensor O-rings and discard.