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Removal [10/2022 - 08/2023]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [10/2022 - 08/2023]

  2. REMOVE E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR) 

    Refer to REMOVAL [10/2022 - ]

  3. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to REMOVAL [10/2022 - 08/2023]

  4. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE 

    Refer to PROCEDURE - Step 2

  5. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE 

    Refer to PROCEDURE - Step 3

  6. DISCONNECT ENGINE WIRE 
    1. GTY1129850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  8. REMOVE EGR VALVE ADAPTER GASKET 

    Refer to PROCEDURE - Step 6

  9. REMOVE EGR INLET GASKET 

    Refer to PROCEDURE - Step 7

  10. DISCONNECT NO. 5 WATER BY-PASS HOSE 
    1. GTY1132156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT NO. 3 WATER BY-PASS PIPE 
    1. GTY1133199Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the bolt and disconnect the No. 3 water by-pass pipe from the intake manifold.
  12. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. GTY1130836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disengage the wire harness clamp.
      2. Using an 8 mm socket wrench, remove the 2 bolts (A) and separate the No. 2 water by-pass pipe from the intake manifold.
      3. Remove the bolt (B) and No. 2 water by-pass pipe from the cylinder block sub-assembly.
  13. REMOVE NO. 2 FUEL VAPOR FEED HOSE 
    1. GTY1132154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE INTAKE MANIFOLD 
    1. w/ Stud Bolt:
      GTY1129867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 3 bolts and 2 nuts.
      2. Using an E8 "TORX" socket wrench, remove the 2 stud bolts and intake manifold from the cylinder head sub-assembly.
    2. w/o Stud Bolt:
      GTY1132152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET 
    1. GTY1129969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE NO. 1 ENGINE COVER 
    1. GTY1132151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE VACUUM HOSE 
    1. GTY1132150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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