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Home >> Lexus >> 2024 >> RX 350h Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Control System - Service Information) >> ENGINE COOLANT TEMPERATURE SENSOR (for 1Motor-HEV Model) >> Removal [10/2022 - ] >> Procedure

Removal [10/2022 - ]: Procedure

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  1. DRAIN ENGINE COOLANT 

    Refer to REPLACEMENT [10/2022 - ]

  2. DRAIN COOLANT (for Intercooler) 

    HINT: 

    Perform this procedure only when replacement of the engine coolant temperature sensor (for Water Inlet Housing Side) is necessary.

    Refer to REPLACEMENT [10/2022 - ]

  3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Outlet Side) 
    NOTE:

    If the engine coolant temperature sensor has been struck or dropped, replace it.
    1. GTY1205391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DISCONNECT NO. 2 INTERCOOLER COOLING WATER PIPE 

    HINT: 

    Perform this procedure only when replacement of the engine coolant temperature sensor (for Water Inlet Housing Side) is necessary.

    1. GTY1132611Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 4 Turbo Water Hose *2 No. 2 Inverter Cooling Outlet Hose
  5. DISCONNECT NO. 1 INTERCOOLER COOLING WATER PIPE 

    HINT: 

    Perform this procedure only when replacement of the engine coolant temperature sensor (for Water Inlet Housing Side) is necessary.

    1. GTY1133037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISCONNECT NO. 3 WATER HOSE CLAMP BRACKET 

    HINT: 

    Perform this procedure only when replacement of the engine coolant temperature sensor (for Water Inlet Housing Side) is necessary.

    1. GTY1133038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Water Inlet Housing Side) 
    NOTE:

    If the engine coolant temperature sensor has been struck or dropped, replace it.
    1. GTY1076275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY 

    HINT: 

    Perform this procedure only when replacement of the engine coolant temperature sensor (for Cylinder Head Side) is necessary.

    Refer to REMOVAL [10/2022 - ]

  9. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Cylinder Head Side) 
    1. GTY1076474Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the engine coolant temperature sensor connector.
      2. Using SST, remove the engine coolant temperature sensor from the cylinder head sub-assembly.
        • 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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