Intake Manifold

INTAKE MANIFOLD

Components:

Removal and Installation
REMOVAL
1. Release fuel pressure.
2. Remove intake manifold collectors (upper and lower).
3. Remove fuel tube and fuel injector assembly.





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

CAUTION: Cover engine openings to avoid entry of foreign materials.

INSPECTION AFTER REMOVAL
Surface Distortion





^ Check the surface distortion of the intake manifold mating surface with a straightedge and a feeler gauge.
Limit: 0.1 mm (0.004 inch)
^ 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, 8 ft. lbs.)





^ Tighten all mounting bolts and nuts to the specified torque in two or more steps in numerical order shown in the figure.
1st step: 7.4 Nm (0.75 kg-m, 5 ft. lbs.)
2nd step and after: 29.0 Nm (3.0 kg-m, 21 ft. lbs.)