Removal and Installation

INTAKE MANIFOLD


Removal and Installation


REMOVAL
1. Release fuel pressure. Testing and Inspection.
2. Remove intake manifold collector. Component Removal and Installation.
3. Remove fuel tube and fuel injector assembly. Component Removal and Installation.
4. Remove harness bracket.





5. Loosen mounting nuts and bolts with power tool in reverse order as shown in the figure to remove intake manifold.

White arrow: Engine front

CAUTION:
- Cover engine openings to avoid entry of foreign materials.
- Put a mark on the intake manifold and the cylinder head with paint before removal because they need installed in the specified direction.
- Loosen mounting bolts and nuts from the inside of manifold to the outside.
6. Remove gaskets.

INSPECTION AFTER REMOVAL

Surface Distortion





- Check the surface distortion of the intake manifold mating surface with straightedge (A) and feeler gauge (B).

Limit: 0.1 mm (0.004 in)

- If it exceeds the limit, replace intake manifold.

INSTALLATION
Note the following, and install in the reverse order of removal.

Intake Manifold
- If stud bolts were removed, install them and tighten to the specified torque below.

Torque: 10.8 Nm (1.1 kg-m, 96 in-lb)





- Tighten all mounting nuts and bolts to the specified torque in two or more steps in numerical order shown in the figure.

White arrow: Engine front

CAUTION:
- Install intake manifold with the marks (put on the intake manifold and the cylinder head before removal) aligned.
- Tighten mounting bolts and nuts from the outside of manifold to the inside.

1st step: 7.4 Nm (0.75 kg-m, 5 ft-lb)
2nd step and after: 25.5 Nm (2.6 kg-m, 19 ft-lb)