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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System - 2.4L (Except HEV)) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
  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).
    G12932770Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove the spring clip (A), 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.
G12932771Courtesy of KIA MOTORS AMERICA, INC.
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