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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 221 (Engine Control System (PHEV)) >> 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) and then remove the sensor.

    Engine Coolant Temperature Sensor: 

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

    G13155724Courtesy of KIA MOTORS AMERICA, INC.
  4. Supplement the engine coolant.

    (Refer to Engine Mechanical System - "COOLANT ")