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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Emission Control System (A25A-FXS) - Service Information) >> EGR Valve >> Removal [10/2022 - 11/2023] >> Procedure

Removal [10/2022 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. REMOVE EGR COOLER ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] 

  2. 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.
      GTY1103691Courtesy 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.
      GTY1108843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt.
    4. Disengage the 2 wire harness clamps and disconnect the engine wire.
  3. 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.
      GTY1105534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the EGR valve adapter gasket from the No. 1 EGR pipe sub-assembly.
      GTY1000347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the EGR inlet gasket from the intake manifold.
      GTY754218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. 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.
      GTY1103889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 8 Water By-pass Hose
      *2 No. 4 Water By-pass Hose
    2. Using an 8 mm socket wrench, remove the 2 bolts and EGR valve assembly from the camshaft housing.
      GTY1000345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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