Fuel Tank Cleaning

FUEL TANKS

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

CAUTION: Refer to the Battery Disconnect Caution In Cautions and Notices.

1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure.
3. Drain the fuel tanks.
4. Remove the fuel tanks.
5. Remove the fuel sender assemblies.
6. Inspect the left fuel sender strainer. Replace a contaminated strainer (left fuel sender only) and inspect the fuel pump.
7. Inspect the left fuel sender fuel pump inlet for dirt and debris. Replace the left fuel sender assembly if you find dirt or debris in the fuel pump inlet.
8. Inspect the right fuel sender strainers. Replace the right fuel sender assembly if you find a contaminated strainer(s). The right fuel sender strainers are not serviced separately.

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.

9. Flush the fuel tanks with hot water.
10. Pour the water out of the fuel sender assembly openings. Rock the tanks to be sure that removal of the water from the tanks is complete.
11. Install the fuel sender assemblies.
12. Install the fuel tanks.
13. Refill the fuel system.
14. Install the fuel filler cap.
15. Connect the negative battery cable.
16. Inspect for leaks.
16.1. Turn the ignition switch ON for 2 seconds.
16.2. Turn the ignition switch OFF for 10 seconds.
16.3. Turn the ignition switch ON.
16.4. Check for fuel leaks.
17. Program the transmitters. Refer to Transmitter Programming/Synchronization in Keyless Entry.
18. Perform the idle learn procedure. Refer to PCM Idle Learn Procedure.