Disassembly

CAUTION: Place a dry chemical (Class B) fire extinguisher near work area before attempting any On-Vehicle Service.

The following procedure covers the disassembly and the inspection of the complete fuel supply system. If the fuel system is contaminated, the fuel system can be cleaned. You can usually determine the extent of the fuel system contamination during the disassembly.

TOOLS REQUIRED
J 42374 Fuel Line Quick-Connect Separator Tool Set


DISASSEMBLY
1. Disconnect the negative battery terminal.
2. Perform the Fuel Pressure Release procedure.
3. Remove the in-line fuel filter.
4. Inspect the Fuel System for contamination of the in-line fuel filter. Replace the filter after cleaning the fuel lines if the filter is plugged or contaminated.
5. Drain the fuel tank.
6. Remove the fuel tank.
7. Locate the tank in a suitable work area away from any heat, any flame or any other source of ignition.
8. Remove the fuel sender assembly.
^ Inspect the fuel sender strainer. If strainer is contaminated, you must replace the strainer and clean the fuel tank.
^ Inspect the fuel pump inlet for dirt and debris. Replace the fuel pump if dirt and debris are found.
9. Flush the fuel tank with running hot water for at least five minutes. Pour the water out of the fuel sender assembly opening (Rock the tank in order to ensure that the removal of the water from the tank is complete).

Notice: Do not attempt to straighten kinked nylon fuel lines. Replace any kinked nylon fuel feed or return pipes in order to prevent damage to the vehicle.

10. Remove the engine compartment fuel feed and return lines.

Caution: Wear safety glasses when using compressed air in order to prevent eye injury.

11. Use compressed air in order to apply air pressure to the fuel lines in the opposite direction from the normal fuel flow.