Ford Transit 2002 Owner's Manual page 1350

5. Disconnect the fuel line quick release coupling.
Press the fuel line quick release coupling
buttons and pull the fuel line to
disconnect.
6. Release the fuel tank vent line quick release
coupling.
Press the fuel tank vent line quick release
coupling locking release collar.
7. Disconnect the fuel tank vent line quick release
coupling.
8. Release the fuel line quick release coupling.
Press the fuel line quick release coupling
locking release collar.
9. Disconnect the fuel line quick release coupling.
http://vnx.su