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Home >> Lexus >> 2017 >> IS 200t Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (8AR-FTS) - Service Information >> Engine Coolant Temperature Sensor >> Removal [08/2015 - ] >> Procedure
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Removal [08/2015 - ]: Procedure

  1. REMOVE CENTER NO. 4 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 1

  2. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 3 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 3 [09/2020 - ]

  4. REMOVE AIR CLEANER HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 4

  5. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the engine coolant temperature sensor connector.
      GTY639799Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, remove the engine coolant temperature sensor from water outlet sub-assembly.
      GTY639085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Gasket
      • SST: 09817-33191 
      NOTE:

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

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