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Home >> Kia >> 2020 >> Optima Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal
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Repair Procedures: Removal

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

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

  3. Disconnect the engine coolant temperature sensor connector (A) and then remove the sensor.
    G13388061Courtesy of KIA MOTORS AMERICA, INC.
  4. Supplement the engine coolant.

    (Refer to Engine Mechanical System - "COOLANT ")

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