GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1864766  Size: SH
  1. Install the NEW lower intake manifold gasket.

  2. Object Number: 1864764  Size: SH
  3. Install the intake manifold assembly.
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1864763  Size: SH
  5. Loosely install the short intake manifold bolts.

  6. Object Number: 1864761  Size: SH
  7. Loosely install the long intake manifold bolts.
  8. Tighten
    Tighten all of the intake manifold bolts to 23 N·m (17 lb ft).


    Object Number: 1864760  Size: SH
  9. Install the left intake manifold insulator.

  10. Object Number: 1864759  Size: SH
  11. Install the left intake manifold insulator bolts.
  12. Tighten
    Tighten the left intake manifold insulator bolts to 10 N·m (89 lb in).


    Object Number: 1864758  Size: SH
  13. Install the right intake manifold insulator.

  14. Object Number: 1864757  Size: SH
  15. Install the right intake manifold insulator bolts.
  16. Tighten
    Tighten the right intake manifold insulator bolts to 10 N·m (89 lb in).


    Object Number: 1864756  Size: SH
  17. Install the evaporative emissions (EVAP) solenoid.

  18. Object Number: 1864755  Size: SH
  19. Install the EVAP solenoid bolt.
  20. Tighten
    Tighten the EVAP solenoid bolt to 10 N·m (89 lb in).


    Object Number: 1864754  Size: SH
  21. Install and connect the intake manifold-to-solenoid EVAP hose to the intake manifold and to the EVAP solenoid.

  22. Object Number: 1864753  Size: SH
  23. Install the front intake manifold insulator.

  24. Object Number: 1864752  Size: SH
  25. Install and connect the dirty air positive crankcase ventilation (PCV) hose to the intake manifold and to the right camshaft cover fitting.

  26. Object Number: 1864751  Size: SH
  27. Install the rear intake manifold insulator.

  28. Object Number: 1864750  Size: SH
  29. Install and connect the fresh air PCV hose to the left camshaft cover fitting.