Repair Procedures: Removal

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

Fig 1: Identifying Engine Coolant Temperature Sensor Connector
Courtesy of HYUNDAI MOTOR CO.
Remove the fixing clip (A), and then pull the sensor from the water temperature control assembly.

Fig 2: Identifying Fixing Clip
Courtesy of HYUNDAI MOTOR CO.

CAUTION: Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
Supplement the engine coolant. (Refer to COOLING SYSTEM .)