Fuel Tank Purging

FUEL SYSTEM CLEANING (PURGE THE FUEL TANK)

NOTE:Purge the fuel tank before being serviced.

REMOVAL PROCEDURE
1. Remove the fuel tank from the vehicle. Refer to Fuel Tank Assembly.
2. Remove the fuel gage sender and pump unit. Refer to Fuel Pump.
3. Remove all remaining fuel from the tank.
4. Inspect the fuel tank for any remaining fuel.

INSTALLATION PROCEDURE
1. Install tap water into the tank.

- Move the tank to the flushing area(wash rack).
- Agitate the water vigorously and then drain it.

NOTE: Install a gasoline emulsifying agent into the tank. Use an available emulsifying agent, such Gas Product-Sol No. 913 or the equivalent.

3. Add water to the fuel tank.

- Refer to the emulsifying agent specifications for the mixture ratio.
- Fill the tank with water until it overflows.
- Agitate the mixture for ten minutes.
- Drain the tank completely.
- Completely flush out any remaining mixture.
- Drain the fuel tank.
- Use an explosion meter (if available) to check for a negative reading.
- Perform the required service work.

4. Install the fuel gage sending and pump unit. Refer to Fuel Pump.
5. Install the fuel tank into the vehicle. Refer to Fuel Tank Assembly.