Fuel Delivery and Air Induction: Service and Repair

FUEL SYSTEM CLEANING

NOTE: Refer to Cover and Plug Openings Notice in Service Precautions.

IMPORTANT:
- 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.
- 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.
- Always maintain cleanliness when servicing fuel system components.

1. Remove the fuel tank.
2. Inspect the fuel strainer. Replace a contaminated strainer and inspect the fuel pump.
3. Inspect the fuel pump inlet for dirt and debris. If dirt and debris are found, the fuel pump needs to be replaced.
4. Flush fuel tank with hot water.
5. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to ensure that the removal of the water from the fuel tank is complete.
6. Allow tank to dry completely before reassembly.
7. Disconnect the fuel pipes at the fuel rail.
8. Clean the fuel pipes by applying air pressure in the opposite direction of the fuel flow.

IMPORTANT: Only use oil free compressed air to blow out the fuel pipes.

9. Connect the fuel pipes at the fuel rail.
10. Replace the fuel filter.
11. Install the fuel sender assembly.
12. Install the fuel tank.