Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Lift the vehicle.
Disconnect the canister close valve connector (A).
Disconnect the ventilation hose (B) from the fuel tank air filter and canister close valve.
Remove the fuel tank air filter assembly after removing bolts (C).

Fig 1: Identifying Fuel Tank Air Filter Assembly
Courtesy of KIA MOTORS AMERICA, INC.
Release the lever (A), and then separate the canister close valve (B) from the fuel tank air filter (C) after rotating it in the direction of the arrow in the illustration.

Fig 2: Identifying Canister Close Valve
Courtesy of KIA MOTORS AMERICA, INC.

Fig 3: Identifying Canister Close Valve (B) From The Fuel Tank Air Filter (C)
Courtesy of KIA MOTORS AMERICA, INC.