GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Cobalt 🢒 Engine 🢒 Engine Mechanical - 2.4L 🢒 Intake Manifold Installation

    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: 1867012 Size: SH
  2. Install a new intake manifold gasket on the intake manifold.
  3. Install the intake manifold.
  4. Install the intake manifold bolts and nuts. Follow the tightening sequence.

    5. Tighten
    Tighten the bolts and nuts to 10 N·m (89 lb in).


    Object Number: 1867010 Size: SH
  5. Lubricate NEW fuel injector tip insulators with engine oil.
  6. Install NEW fuel injector tip insulators.

    7. Object Number: 1867008 Size: SH
  7. Lubricate the fuel injector oil rings with engine oil.
  8. Install the fuel rail assembly.
  9. Install the fuel rail stud.

    10. Tighten
    Tighten the stud to 10 N·m (89 lb in).


    Object Number: 1867007 Size: SH
  10. Install a new throttle body gasket.
  11. Install the throttle body.
  12. Install the throttle body bolts.

    13. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1867006 Size: SH
  13. Install the EVAP canister valve (2).

    14. Tighten
    Tighten the EVAP canister valve to 22 N·m (16 lb ft).

  14. Install the EVAP canister valve tube (1).