Fuel System Cleaning
CAUTION:
When flushing the fuel tank, the fuel and water mixture needs to be treated as a hazardous material. The material needs to be handled in accordance with all local, state and federal laws and regulations.
CAUTION:
When ever the fuel tank is cleaned, the fuel pump fuel strainer must be inspected. If the fuel pump fuel strainer is contaminated, the fuel pump fuel strainer must be replaced and the fuel pump must be inspected.
NOTE:
If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary.
NOTE:
Cap the fittings and plug the holes when servicing the fuel system to prevent dirt and other contaminants from entering the open pipes and passages. Always maintain cleanliness when servicing fuel system components.
- Remove the fuel tank.
- Remove the fuel sender assembly.
- Check the fuel pump inlet for dirt and debris. If dirt and debris are found, the fuel pump needs to be replaced.
- Flush fuel tank with hot water.
- Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank to be sure that the removal of the water from the fuel tank is complete.
- Allow the fuel tank to dry completely before reassembly.
- Disconnect the fuel pipes at the engine compartment fuel pipes.
- Clean the fuel pipes by applying air pressure in the opposite direction of the fuel flow.
- Connect the fuel pipes to the engine compartment fuel pipes.
- Install the fuel sender assembly.
- Install the fuel tank.
- Replace the fuel filter.
- Add fuel and install the fuel tank filler pipe cap.
- Reconnect the negative battery cable.
- Turn ignition switch to RUN position, engine OFF, for 2 seconds. Turn ignition switch to OFF position. Turn ignition switch to RUN position, engine OFF. Check for leaks.
NOTE:
Only use oil free compressed air to blow out the fuel pipes.