Repair procedures: Removal

Lift the vehicle.
Disconnect the fuel filler hose (A).
Disconnect the ventilation hose (B) from the fuel tank air filter.

Fig 1: Identifying Fuel Filler Hose And Ventilation Hose
Courtesy of KIA MOTORS AMERICA, INC.
Open the fuel filler door and then remove the filler-neck installation screw (A).

Fig 2: Identifying Fuel Filler Door Mounting Screws
Courtesy of KIA MOTORS AMERICA, INC.
Remove the rear-LH wheel, tire, and the inner wheel house.
Remove the filler-neck assembly from the vehicle after removing the bracket installation bolt (A).

Fig 3: Identifying Filler-Neck Assembly Bracket Mounting Bolt
Courtesy of KIA MOTORS AMERICA, INC.