Fuel Tank Purging

Procedure

IMPORTANT: Gasoline mixed with water and water mixed with emulsifying agent needs to be treated as a hazardous material. The material needs to be handled in accordance with all applicable local, state and federal laws and regulations.

Remove or Disconnect:
- Fuel. Refer to FUEL TANK DRAINING
- Fuel tank from the vehicle. Refer to FUEL TANK ASSEMBLY.
- Fuel gauge sending and pump unit. Refer to FUEL PUMP/SERVICE AND REPAIR/FUEL PUMP/FUEL GAUGE SENDING UNIT.
- Remove all remaining fuel in fuel tank.

Inspect:
- Fuel tank for any remaining fuel.

Purge
- Install tap water into the tank,
- Move the tank to the flushing area (wash rack).
- Agitate the water vigorously, and then, drain it.
- Introduce a gasoline emulsifying agent.
- Use an available emulsifying agent.
- Add water to the fuel tank.
- Refer to the emulsifying agent specifications for the mix ratio.
- Agitate the mixture for ten minutes.
- Drain the tank completely.
- Fill the tank with water, until it over flows.
- Completely flush out any remaining mixture.
- Drain the fuel tank.
- Use an explosion meter (if available) to check the tank for a negative reading.
- Perform the required service work.
- Repair the fuel tank.

Install or Connect:
- Fuel gauge sending and pump unit.
- Fuel tank back into vehicle.
- Check for leaks.