1. Gather Tools and Materials:
- New fuel filter (Mitsubishi OE number: MR514741)
- Replacement O-rings (if necessary)
- A 5/8-inch or 16mm socket wrench
- A flathead screwdriver
- A clean rag
- A container to catch any spilled fuel
2. Locate the Fuel Filter:
- The fuel filter on the Mitsubishi Fuso FE 140 is usually mounted near the rear left of the engine compartment, close to the fuel tank.
3. Prepare the Area:
- Disconnect the negative battery terminal as a safety precaution.
- Ensure the engine is off and has cooled down.
4. Relieve Fuel Pressure:
- Locate the fuel pressure regulator on the fuel injection pump. It typically has a cap or connector.
- Carefully pry open the cap or disconnect the connector to release fuel pressure.
5. Disconnect Fuel Lines:
- There will be two fuel lines connected to the filter. Use a flathead screwdriver to loosen the hose clamps and disconnect the fuel lines.
- Be ready to catch any spilling fuel with the container.
6. Remove the Fuel Filter:
- Use the socket wrench to loosen and remove the mounting bolt that holds the fuel filter in place.
- Carefully remove the fuel filter from its housing.
7. Inspect O-rings:
- Check the condition of the O-rings on the old filter. If they are damaged or worn, replace them with the new ones provided with the new fuel filter.
8. Install New Filter:
- Install the new fuel filter in the housing, ensuring that the O-rings are properly seated.
- Reinstall the mounting bolt and tighten it securely.
9. Reconnect Fuel Lines:
- Reattach the fuel lines to the fuel filter and secure them with the hose clamps.
10. Reset Fuel Pressure:
- Reinstall the cap or connector on the fuel pressure regulator to restore fuel pressure.
11. Start the Engine:
- Reconnect the negative battery terminal.
- Attempt to start the engine. Check for any fuel leaks around the filter housing.
12. Check for Leaks:
- Once the engine is running smoothly, inspect the fuel filter area for any signs of fuel leaks. Tighten any loose connections if necessary.
13. Dispose of Old Filter:
- Properly dispose of the old fuel filter and any contaminated materials.
14. Test Drive:
- Take the vehicle for a short test drive to ensure everything is functioning correctly.
Note: Please refer to your vehicle's specific service manual for exact instructions and specifications related to your Mitsubishi Fuso FE 140 model.
