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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 >> Installation [08/2020 - ] >> Procedure

Installation [08/2020 - ]: 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. INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. Install a new gasket to the water inlet with thermostat sub-assembly.

      HINT: 

      Be sure to clean the contact surfaces.

    2. Using an 8 mm socket wrench, install the water inlet with thermostat sub-assembly with the 2 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    3. Connect the No. 7 water by-pass hose to the water inlet with thermostat sub-assembly and slide the clip to secure it.
    4. Connect the water inlet with thermostat sub-assembly connector.
  2. CONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 35 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 36 [08/2021 - ]

  3. INSTALL GENERATOR ASSEMBLY 

    Refer to INSTALLATION [08/2020 - ]

  4. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  5. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

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