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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System - Service Information >> TURBOCHARGER (for Gasoline Model) >> Removal [10/2022 - ] >> Procedure

Removal [10/2022 - ]: Procedure

  1. DRAIN COOLANT (for Inter cooler) 

    Refer to PROCEDURE - Step 4

  2. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for AWD) 

    Refer to REMOVAL [10/2022 - ]

  3. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for 2WD) 
    See step  2
  4. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [10/2022 - ]

  5. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3 [10/2022 - 08/2023] , or refer to PROCEDURE - Step 3 [08/2023 - ]

  6. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 26
  7. REMOVE NO. 3 ENGINE COVER 

    Refer to PROCEDURE - Step 27

  8. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY 

    See step  5

  9. DISCONNECT ENGINE WIRE 
    1. GTY1130338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. DISCONNECT PURGE VALVE (NO. 1 VACUUM SWITCHING VALVE ASSEMBLY) 
    1. GTY1130400Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT NO. 1 VENTILATION PRESSURE SENSOR HOSE 
    1. GTY1077920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE AIR TUBE ASSEMBLY 
    See step  9
  13. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. GTY1077931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE VACUUM REGULATING VALVE ASSEMBLY 
    1. GTY1132966Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE COMPRESSOR INLET ELBOW SUB-ASSEMBLY 
    1. GTY1130037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the throttle body gasket from the compressor inlet elbow sub-assembly.
  16. REMOVE DASH PANEL HEAT INSULATOR 
    1. GTY1132968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE AIR FUEL RATIO SENSOR (for Sensor 1) 
    Refer to PROCEDURE - Step 5
  18. REMOVE NO. 1 TURBO INSULATOR 
    1. GTY1132969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. DISCONNECT NO. 3 TURBO WATER HOSE 
    1. GTY1129723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. DISCONNECT NO. 2 TURBO WATER HOSE 
    1. GTY1129720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE NO. 1 HEAT INSULATOR BRACKET 
    1. GTY1130394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. SEPARATE CONVERTER WITH CATALYST ASSEMBLY 
    NOTE:

    If a stud bolt is deformed or its threads are damaged, replace it.
    1. GTY1132766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the nut and disconnect the exhaust pipe clamp.
      2. Remove the 2 nuts and disconnect the converter with catalyst assembly.
      3. Using an E10 "TORX" socket wrench, remove the stud bolts from the manifold stay.
  23. REMOVE EXHAUST PIPE CLAMP 
    1. GTY1132958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE TURBOCHARGER SUB-ASSEMBLY 
    NOTE:

    If a stud bolt is deformed or its threads are damaged, replace it.
    1. GTY1130150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 2 nuts from the bottom of the vehicle and disconnect the No. 1 turbo oil pipe from the turbocharger sub-assembly.
      2. Rotate the converter with catalyst assembly in vehicle outer side to secure removal space.
      3. Remove the 4 nuts.
      4. Using an E10 "TORX" socket wrench, remove the 4 stud bolts from the cylinder head sub-assembly.
  25. REMOVE TURBINE OUTLET ELBOW GASKET 
    1. GTY1078089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE NO. 1 TURBO WATER PIPE SUB-ASSEMBLY 
    1. GTY1078173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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