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Fuel Delivery and Air Induction: Service and Repair



FUEL SYSTEM CLEANING

TOOLS REQUIRED
- J 34730-1A Fuel Pressure Gage
- J 37088-A Tool Set, Fuel Line Quick Connect Separator

1. Disconnect the negative battery cable.

CAUTION: Refer to Battery Disconnect Caution.

2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
3. Drain the fuel tanks. Refer to Fuel Tank Draining Procedure.
4. Remove the fuel tanks.
5. Remove the fuel sender assemblies.
6. Inspect the left fuel sender strainer. Replace a contaminated strainer for the left fuel sender only, and inspect the fuel pump.
7. Inspect the left fuel module fuel pump inlet for debris. Replace the left fuel module assembly if you find debris in the fuel pump inlet.
8. Inspect the right fuel module screens. Replace the right fuel module assembly if you find a contaminated screen. The right fuel module screen in not serviced separately.
9. Flush the fuel tanks with hot water.

IMPORTANT: When flushing the fuel tanks, handle the fuel and water mixture as a hazardous material. Handle the fuel and water mixture in accordance with all applicable local, state, and federal laws and regulations.

10. Pour the water out of the fuel module assembly openings. Rock the tanks to be sure that removal of the water from the tanks is complete.
11. Install the fuel module assemblies.
12. Install the fuel tanks.
13. Refill the fuel system.
14. Install the fuel filler cap.
15. Connect the negative battery cable.
16. Perform the following procedure in order to inspect for leaks:
1. Turn the ignition switch ON for 2 seconds.
2. Turn the ignition switch OFF for 10 seconds.
3. Turn the ignition switch ON.
4. Inspect for fuel leaks.
17. Program the transmitters. Refer to Transmitter Programming (Domestic and Japan) Transmitter Programming (Export - Including Canada).