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Home >> Lexus >> 2023 >> ES 300h Base >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System (A25A-FXS) - Service Information >> EGR Valve >> Removal [06/2018 - 08/2021] >> Procedure

Removal [06/2018 - 08/2021]: Procedure

  1. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 18 [08/2020 - 08/2021]

  3. DISCONNECT ENGINE WIRE 
    1. Disengage the 3 hose clamps and disconnect the No. 1 fuel vapor feed hose and No. 2 fuel vapor feed hose.
      GTY783813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Fuel Vapor Feed Hose
      *2 No. 2 Fuel Vapor Feed Hose
    2. Disconnect the EGR valve assembly connector.
      GTY815632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt.
    4. Disengage the 2 wire harness clamps and disconnect the engine wire.
  4. DISCONNECT EGR COOLER ASSEMBLY 
    1. Remove the 2 bolts and disconnect the EGR cooler assembly from the EGR valve assembly.
      GTY763890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the EGR valve gasket from the EGR valve assembly.
  5. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 
    1. Using an 8 mm socket wrench, remove the 4 bolts and No. 1 EGR pipe sub-assembly from the intake manifold and EGR valve assembly.
      GTY836174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the EGR valve adapter gasket from the No. 1 EGR pipe sub-assembly.
      GTY815652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the EGR inlet gasket from the intake manifold.
      GTY754218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE EGR VALVE ASSEMBLY 
    1. Slide the 2 clips and disconnect the No. 4 water by-pass hose and No. 8 water by-pass hose from the EGR valve assembly.
      GTY829741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 4 Water By-pass Hose
      *2 No. 8 Water By-pass Hose
    2. for EGR Valve Bracket Connection Type:
      GTY763881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the bolt and disconnect the fuel pipe sub-assembly from the EGR valve bracket.
    3. Using the 8 mm socket wrench, remove the bolt.
      GTY763882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the EGR valve assembly with the EGR valve bracket from the camshaft housing vertically.
      GTY744291Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin
      *b Hole
    5. Using the 8 mm socket wrench, remove the bolt and EGR valve assembly from the EGR valve bracket.
      GTY754222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002