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Home >> Kia >> 2016 >> Optima Hybrid >> 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. Disconnect the engine coolant temperature sensor connector (A).
    Fig 1: Locating Engine Coolant Temperature Sensor Connector
    G11815747Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the fixing clip (A), and then pull the sensor from the water temperature control assembly.
Fig 2: Locating Engine Coolant Temperature Sensor Fixing Clip
G11815748Courtesy of KIA MOTORS AMERICA, INC.
CAUTION: Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
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