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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (1AR-FE) (Service Information) (Except Hybrid)) >> Engine Coolant Temperature Sensor >> Removal [12/2013 - ] >> Procedure

Removal [12/2013 - ]: Procedure

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  1. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 1 , or refer to PROCEDURE - Step 1

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 24 , or refer to PROCEDURE - Step 24

  3. REMOVE AIR CLEANER ASSEMBLY 

    See step  3

  4. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disengage the heater hose from the heater bracket.
      GTY437749Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and separate the heater bracket from the cylinder head sub-assembly.
    3. Disconnect the engine coolant temperature sensor connector.
      GTY437753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a 19 mm union nut wrench, remove the engine coolant temperature sensor from the cylinder head sub-assembly.
      NOTE:

      If the engine coolant temperature sensor has been struck or dropped, replace it.

    5. Remove the gasket from the engine coolant temperature sensor.
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