GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1848531  Size: SH
  1. Disconnect and remove the fresh air positive crankcase ventilation (PCV) hose from the left camshaft cover fitting.

  2. Object Number: 1848532  Size: SH
  3. Remove the engine coolant air bleed pipe bracket bolts from the upper intake manifold.

  4. Object Number: 1848534  Size: SH
  5. Remove the engine coolant air bleed pipe.

  6. Object Number: 1848535  Size: SH
  7. Disconnect and remove the dirty air PCV hose from the intake manifold and the right camshaft cover fitting.

  8. Object Number: 1848538  Size: SH
  9. Disconnect and remove the intake manifold-to-solenoid evaporative emissions (EVAP) hose from the intake manifold and from the EVAP solenoid.

  10. Object Number: 1848539  Size: SH
  11. Remove the EVAP solenoid bolt.

  12. Object Number: 1848540  Size: SH
  13. Remove the EVAP solenoid.

  14. Object Number: 1848541  Size: SH
  15. Remove the long intake manifold bolts.

  16. Object Number: 1848542  Size: SH
  17. Remove the short intake manifold bolts.

  18. Object Number: 1848543  Size: SH
  19. Remove the intake manifold assembly.

  20. Object Number: 1832124  Size: SH
  21. Remove and discard the lower intake manifold gasket.