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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Control System - 2.0L) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
  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 Component Location
    G07422594Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the spring clip (A), and then pull the sensor from the water temperature control assembly.
    Fig 2: Identifying Spring Clip
    G07422595Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
  4. Supplement the engine coolant. Refer to "COOLING SYSTEM ".