F 450 4WD Super Duty V10-6.8L (2009)
17. Disconnect the rear fuel vapor tube from the position retainers and remove from the vehicle.
18. Disconnect the front fuel vapor tube and front fuel supply tube from the position retainer at the back of the transmission.
19. Disconnect the fuel supply tube and the fuel vapor tube from the position retainer at the rear of the engine and remove from the vehicle.
20. Disconnect the fuel tank filler pipe vent tube-to-fuel tank pressure sensor and vapor tube assembly quick connect coupling.
21. Disconnect the fuel tank pressure sensor electrical connector.
22. Disconnect the fuel tank pressure sensor and vapor tube assembly-to-EVAP canister quick connect coupling.
23. Disconnect the fuel tank pressure sensor and vapor tube assembly from the position retainers and remove from the vehicle.
24. To install, reverse the removal procedure.
