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Home >> Lexus >> 2024 >> RX 350h Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> Thermostat >> Removal [10/2022 - 08/2023] >> Procedure

Removal [10/2022 - 08/2023]: Procedure

  1. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 7

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 8

  3. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9

  4. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  5. REMOVE INTAKE MANIFOLD 

    Refer to REMOVAL [10/2022 - 08/2023]

  6. DISCONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 27

  7. DISCONNECT NO. 7 WATER BY-PASS HOSE 
    1. GTY1078104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Slide the clip and disconnect the No. 7 water by-pass hose from the water inlet with thermostat sub-assembly.
        NOTE:
        • Do not apply force to the water inlet with thermostat sub-assembly when disconnecting the No. 7 water by-pass hose.
        • Do not damage the water inlet with thermostat sub-assembly.

        HINT: 

        When disconnecting the No. 7 water by-pass hose, slide the clip, rotate the hose and pull it straight off the pipe.

  8. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. GTY1077713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
      2. Remove the gasket from the water inlet with thermostat sub-assembly.
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