GM Service Manual Online
For 1990-2009 cars only

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1403786  Size: SH
  1. Install the intake manifold studs in the manifold face.
  2. Tighten
    Tighten the intake manifold studs to 6 N·m (53 lb in).


    Object Number: 1403970  Size: SH
  3. Install a new intake manifold gasket on the intake manifold.
  4. Install the intake manifold.
  5. Install the intake manifold bolts and nuts.
  6. Tighten
    Tighten the bolts and nuts to 10 N·m (89 lb in).


    Object Number: 1336272  Size: SH
  7. Lubricate the fuel injector tip insulators with engine oil.
  8. Install new fuel injector tip insulators.

  9. Object Number: 1594328  Size: SH
  10. Lubricate the fuel injector oil rings with engine oil.
  11. Install the fuel rail assembly.
  12. Install the fuel rail bolts.
  13. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1594326  Size: SH
  14. Install a new throttle body gasket.
  15. Install the throttle body.
  16. Tighten
    Tighten the bolts and nuts to 10 N·m (89 lb in).


    Object Number: 825004  Size: SH

    Important: Ensure that the rear metal tab of the EVAP emission canister valve is resting on the power steering pump metal body.

  17. Install the EVAP emission canister valve (2).
  18. Tighten
    Tighten the EVAP canister valve bolt to 22 N·m (16 lb ft).

  19. Install the EVAP emission canister valve tube (1).