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Home >> Hyundai >> 2021 >> Sonata N Line >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.5T (Except HEV) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal >> Engine Coolant Temperature Sensor (ECTS) #1 - Water Temperature Control Assembly side
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Engine Coolant Temperature Sensor (ECTS) #1 - Water Temperature Control Assembly side

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Remove the air cleaner assembly.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  3. Disconnect the engine coolant temperature sensor connector (A).
    G14632880Courtesy of HYUNDAI MOTOR AMERICA
  4. Disconnect the fixing clip (A), and remove the engine coolant temperature sensor (B).
G14632881Courtesy of HYUNDAI MOTOR AMERICA