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Home >> Lexus >> 2017 >> ES 300h >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (Service Information) >> Engine Coolant Temperature Sensor >> Removal [07/2015 - ] >> Procedure
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Removal [07/2015 - ]: Procedure

  1. DRAIN COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 21

  3. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1

  4. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 26

  5. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the ventilation hose from the cylinder head cover.
      GTY316241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the engine coolant temperature sensor connector.
      GTY319230Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 bolts and disconnect the wire harness.
    4. Using a 19 mm ball joint lock nut wrench, remove the engine coolant temperature sensor.
      GTY651027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Ball Joint Lock Nut Wrench
      *2 Gasket
    5. Remove the gasket from the engine coolant temperature sensor.
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