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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System - Service Information >> TURBOCHARGER (for 1Motor-HEV Model) >> Removal [10/2022 - ] >> Procedure

Removal [10/2022 - ]: Procedure

  1. DRAIN COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 4

  2. REMOVE FRONT EXHAUST PIPE ASSEMBLY 
    See step  2
  3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [10/2022 - ]

  4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

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

  5. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 22
  6. REMOVE NO. 3 ENGINE COVER 

    Refer to PROCEDURE - Step 23

  7. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY 

    See step  5

  8. DISCONNECT ENGINE WIRE 
    1. GTY1130332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. DISCONNECT PURGE VALVE (NO. 1 VACUUM SWITCHING VALVE ASSEMBLY) 
    1. GTY1130212Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE AIR TUBE ASSEMBLY 
    See step  10
  11. REMOVE AIR CLEANER CAP WITH NO. 1 AIR CLEANER HOSE 
    1. GTY1130331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE NO. 2 VENTILATION HOSE 
    1. GTY1130448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE VACUUM REGULATING VALVE ASSEMBLY 
    1. GTY1132258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE AIR CLEANER HOSE ASSEMBLY 
    1. GTY1133356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1130330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE COMPRESSOR INLET ELBOW SUB-ASSEMBLY 
    1. GTY1130453Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE DASH PANEL HEAT INSULATOR 
    1. GTY1130452Courtesy 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. GTY1130238Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. DISCONNECT NO. 3 TURBO WATER HOSE 
    1. GTY1130451Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. DISCONNECT NO. 2 TURBO WATER HOSE 
    1. GTY1130455Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE NO. 1 HEAT INSULATOR BRACKET 
    1. GTY1131754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Heat Insulator Bracket *2 No. 2 Turbo Insulator
  22. REMOVE NO. 1 WIRING HARNESS HEAT INSULATOR 
    1. GTY1130336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. DISCONNECT CONVERTER WITH CATALYST ASSEMBLY 
    NOTE:

    If a stud bolt is deformed or its threads are damaged, replace it.
    1. GTY1131810Courtesy 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.
  24. REMOVE EXHAUST PIPE CLAMP 
    1. GTY1130450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE TURBOCHARGER SUB-ASSEMBLY 
    NOTE:

    If a stud bolt is deformed or its threads are damaged, replace it.
    1. GTY1132246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Rotatory direction - -
      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.
      5. Remove the turbocharger sub-assembly.
  26. REMOVE TURBINE OUTLET ELBOW GASKET 
    1. GTY1078089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE NO. 1 TURBO WATER PIPE SUB-ASSEMBLY 
    1. GTY1078173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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