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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System (A25A-FKS) - Service Information >> EGR Cooler >> Installation [08/2020 - 08/2021] >> Procedure

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

  1. INSTALL EGR COOLER ASSEMBLY 
    1. Install a new EGR cooler gasket to the EGR cooler assembly.
      GTY765137Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Claw
      NOTE:

      Make sure that the claws of the EGR cooler gasket are toward the EGR cooler assembly side.

    2. Install a new EGR valve gasket to the EGR valve assembly.
      GTY766634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Claw
      NOTE:

      Make sure that the claws of the EGR valve gasket are toward the EGR valve assembly side.

    3. Temporarily install the EGR cooler assembly to the cylinder head sub-assembly and EGR valve assembly with the 5 bolts.
      GTY774055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Tighten the 3 bolts (A).

      Torque: 24 N.m (245 kgf/cm, 18 ft.lbf) 

    5. Tighten the 2 bolts (B).

      Torque: 24 N.m (245 kgf/cm, 18 ft.lbf) 

    6. Connect the No. 3 water by-pass hose and No. 4 water by-pass hose to the EGR cooler assembly and slide the 2 clips to secure them.
  2. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 3

  3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 48

  4. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  5. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

  6. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 9