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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Engine Cooling System (A25A-FKS) - Service Information) >> Thermostat >> Removal [08/2020 - 08/2021] >> Procedure

Removal [08/2020 - 08/2021]: Procedure

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 1

  2. REMOVE GENERATOR ASSEMBLY 

    Refer to REMOVAL [08/2020 - 08/2021]

  3. DISCONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 33

  4. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. Disconnect the water inlet with thermostat sub-assembly connector.
      GTY753618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 7 water by-pass hose from the water inlet with thermostat sub-assembly.
      GTY753606Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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.

    3. Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
      GTY753607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the gasket from the water inlet with thermostat sub-assembly.
      GTY771402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002