Diesel Data: Automotive Repair

Lower

Intake Manifold-Lower

Removal
1. Remove the upper intake manifold.
2. Disconnect the fuel line.
3. Remove the coolant by-pass tube.
4. Remove the generator.





5. Disconnect the electrical connector and the vacuum line from the fuel pressure sensor.





6. Disconnect the eight fuel injector electrical connectors.





7. Separate the fuel charging wiring harness from the fuel injection supply manifold studs in three places.





8. Remove the ten bolts in the sequence shown and raise the lower intake manifold slightly.
9. Disconnect the fuel charging wiring harness from the rear of the lower intake manifold and remove the manifold.





10. Remove the intake manifold gaskets.
^ Clean and inspect the sealing surfaces.

Installation





1. Install the lower intake manifold gaskets.
2. Connect the fuel charging wiring harness to the rear of the lower intake manifold and install the manifold.





3. Install the intake manifold fasteners and tighten in the sequence shown.





4. Position the fuel charging wiring harness and connect it to the fuel injection supply manifold in three places.





5. Connect the eight fuel injector electrical connectors.





6. Connect the electrical connector and the vacuum line to the fuel pressure sensor.
7. Install the generator.
8. Install the coolant bypass tube.
9. Connect the fuel line.
10. Install the upper intake manifold.