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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (Engine Control System - 1.6L) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative (-) terminal.
  2. Remove the air cleaner assembly.

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

  3. Disconnect the engine coolant temperature sensor (ECTS) connector (A).
  4. Remove the engine coolant temperature sensor (B).

    Tightening torque: 

    29.4 - 39.2 N.m (3.0 - 4.0 kgf.m, 21.7 - 28.9 lb.ft)

    G13480625Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Note that engine coolant may be flow out from the engine coolant temperature control assembly when removing the sensor.