Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Disconnect the Engine Coolant Temperature Sensor Connector (A), and then remove the Engine Coolant Temperature Sensor (B).

Fig 1: Locating Engine Coolant Temperature Sensor Connector
Courtesy of KIA MOTORS AMERICA, INC.
Supplement the engine coolant
(Refer to Engine Mechanical System - "COOLANT ").