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Home >> Kia >> 2015 >> Optima Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Optima 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 (-) cable.
  2. Disconnect the engine coolant temperature sensor connector (A).
    Fig 1: Engine Coolant Temperature Sensor Connector
    G08312847Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the fixing clip (A), and then pull the sensor from the water temperature control assembly.
    Fig 2: Sensor Fixing Clip
    G08312848Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Note that engine coolant may flow out from the water temperature control assembly when removing the sensor.
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