Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "AIR CLEANER ")
Disconnect the engine coolant temperature sensor connector (A).
Remove the spring clip (B), and then pull the sensor from the water temperature control assembly.
CAUTION:
- Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
Fig 1: Disconnecting Engine Coolant Temperature Sensor Connector
Courtesy of HYUNDAI MOTOR AMERICA
Supplement the engine coolant.
(Refer to Engine Mechanical System - "COOLANT ")