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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 [12/2019 - 10/2021] >> Procedure

Removal [12/2019 - 10/2021]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  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.
      GTY854694Courtesy 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.
      GTY897027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt.
    4. Disengage the 2 wire harness clamps and disconnect the engine wire.
  3. DISCONNECT EGR COOLER ASSEMBLY 
    1. Remove the 2 bolts and disconnect the EGR cooler assembly from the EGR valve assembly.
      GTY886067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. 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.
      GTY936712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the EGR valve adapter gasket from the No. 1 EGR pipe sub-assembly.
      GTY754217Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the EGR inlet gasket from the intake manifold.
      GTY754218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. 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.
      GTY915683Courtesy 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:
      GTY886069Courtesy 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 an 8 mm socket wrench, remove the bolt.
      GTY886106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the EGR valve assembly with the EGR valve bracket from the camshaft housing vertically.
      GTY841697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin
      *b Hole
    5. Remove the EGR valve gasket from the EGR valve assembly.
      GTY871347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Using an 8 mm socket wrench, remove the bolt and EGR valve assembly from the EGR valve bracket.
      GTY754222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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