Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Disconnect the engine coolant temperature sensor connector (A).

Fig 1: Locating Engine Coolant Temperature Sensor Connector
Courtesy of KIA MOTORS AMERICA, INC.
Remove the spring clip (A), and then pull the sensor from the water temperature control assembly.

Fig 2: Locating Spring Clip

Courtesy of KIA MOTORS AMERICA, INC.

CAUTION: Note that engine coolant may flow out of the water temperature control assembly when removing the sensor.