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

Removal [10/2022 - ]: Procedure

  1. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  2. DRAIN COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 4

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

    Refer to PROCEDURE - Step 23

  5. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY 
    1. GTY1130421Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AIR CLEANER CAP WITH NO. 1 AIR CLEANER HOSE 

    See step  11

  7. REMOVE NO. 2 VENTILATION HOSE 

    See step  12

  8. DISCONNECT ENGINE WIRE 
    1. GTY1130388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. DISCONNECT PURGE VALVE (NO. 1 VACUUM SWITCHING VALVE ASSEMBLY) 

    See step  9

  10. REMOVE AIR TUBE ASSEMBLY 
    1. GTY1131538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 3 bolts and air tube support.
      2. Disconnect the vacuum hose from the cylinder head cover sub-assembly.
      3. Slide the clip and disconnect the No. 2 air hose from air cleaner hose assembly.
      4. Remove the 4 bolts.
      5. Remove the bolt, clamp and intercooler assembly from air tube assembly.
      6. Remove the air tube gasket from the intercooler assembly.
  11. REMOVE FUEL DELIVERY GUARD 
    1. GTY1133539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE 
    1. GTY1130424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. DISCONNECT NO. 1 INTERCOOLER COOLING WATER HOSE 
    1. GTY1130423Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. DISCONNECT NO. 3 WATER BY-PASS HOSE 
    1. GTY1133544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. DISCONNECT NO. 5 WATER BY-PASS HOSE (Type A) 
    1. GTY1133533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. DISCONNECT NO. 4 TURBO WATER HOSE 
    1. GTY1133534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. DISCONNECT NO. 2 INVERTER COOLING OUTLET HOSE 
    1. GTY1133531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. DISCONNECT NO. 4 WATER BY-PASS HOSE 
    1. GTY1133532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. DISCONNECT NO. 5 WATER BY-PASS HOSE (Type B) 
    1. GTY1133551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    Refer to PROCEDURE - Step 12
  21. REMOVE INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY 
    1. GTY1129638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE NO. 7 INTERCOOLER COOLING WATER HOSE 
    1. GTY1130440Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1130445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE NO. 6 INTERCOOLER COOLING WATER HOSE 
    1. GTY1130444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1132255Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE INTERCOOLER ASSEMBLY 
    1. GTY1132450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 4 nuts and bolts to separate the intercooler assembly from the intake manifold and No. 2 air tube.
      2. Using an 8 mm socket wrench, remove the bolt and No. 2 turbo pressure sensor from the intercooler assembly.
      3. Remove the No. 2 air tube gasket from the intercooler assembly.
      4. Remove the No. 1 intake manifold to head gasket from the intake manifold.
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