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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (T24A-FTS) - Service Information (3 Of 4) >> ENGINE UNIT (for 1Motor-HEV Model) >> Removal [09/2023 - ] >> Procedure

Removal [09/2023 - ]: Procedure

  1. REMOVE DRIVE SHAFT BEARING BRACKET 
    1. GTY1131624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  3. DISCONNECT PURGE VALVE (NO. 1 VACUUM SWITCHING VALVE ASSEMBLY) 

    Refer to PROCEDURE - Step 9

  4. REMOVE AIR TUBE ASSEMBLY 
    Refer to PROCEDURE - Step 10
  5. REMOVE FUEL DELIVERY GUARD 

    Refer to PROCEDURE - Step 11

  6. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE 

    Refer to PROCEDURE - Step 12

  7. DISCONNECT NO. 1 INTERCOOLER COOLING WATER HOSE 

    Refer to PROCEDURE - Step 13

  8. DISCONNECT NO. 3 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 14

  9. DISCONNECT NO. 4 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 16

  10. DISCONNECT NO. 4 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 18

  11. DISCONNECT NO. 5 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 19

  12. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. GTY1133200Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the engine oil level dipstick.
      2. Using an 8 mm socket wrench, remove the bolt and engine oil level dipstick guide from the intake manifold.
      3. Remove the O-ring from the engine oil level dipstick guide.
  13. REMOVE INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY 

    Refer to PROCEDURE - Step 21

  14. REMOVE WATER CONTROL VALVE 

    Refer to PROCEDURE - Step 11

  15. REMOVE FRONT WATER BY-PASS JOINT 
    1. GTY1132059Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE WATER OUTLET GASKET 
    1. GTY1078351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE AIR FUEL RATIO SENSOR 
    Refer to PROCEDURE - Step 6
  18. REMOVE NO. 1 TURBO INSULATOR 

    Refer to PROCEDURE - Step 4

  19. REMOVE EXHAUST PIPE CLAMP 

    Refer to PROCEDURE - Step 5

  20. REMOVE CONVERTER WITH CATALYST ASSEMBLY 

    Refer to PROCEDURE - Step 6

  21. REMOVE TURBINE OUTLET ELBOW GASKET 

    Refer to PROCEDURE - Step 7

  22. REMOVE MANIFOLD STAY 
    1. GTY1078368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE NO. 2 MANIFOLD STAY 
    1. GTY1078367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE COMPRESSOR INLET ELBOW SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15

  25. DISCONNECT NO. 3 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 19

  26. DISCONNECT NO. 2 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 20

  27. REMOVE NO. 1 HEAT INSULATOR BRACKET 

    Refer to PROCEDURE - Step 21

  28. REMOVE NO. 1 WIRING HARNESS HEAT INSULATOR 

    Refer to PROCEDURE - Step 22

  29. REMOVE NO. 1 TURBO OIL PIPE 
    1. GTY1080649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE NO. 1 TURBO OIL OUTLET GASKET 
    1. GTY1078366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE TURBOCHARGER SUB-ASSEMBLY 
    1. GTY1132060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. DISCONNECT NO. 2 TURBO WATER PIPE SUB-ASSEMBLY 
    1. GTY1129949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE FUEL TUBE SUB-ASSEMBLY 
    1. GTY1132876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the fuel tube sub-assembly.

        Refer to PRECAUTION [09/2023 - ]

  34. REMOVE FUEL TUBE SUB-ASSEMBLY 
    1. GTY1131227Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the EFI fuel pipe clamp (fuel delivery pipe side) from the fuel tube connector.
      2. Disconnect the fuel tube sub-assembly from the fuel (engine room side) pump assembly.

        Refer to PRECAUTION [09/2023 - ]

      3. Remove the fuel tube sub-assembly from the fuel delivery pipe.

        Refer to PRECAUTION [09/2023 - ]

  35. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 15
  36. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 16
  37. REMOVE FUEL PUMP SPACER GASKET 

    Refer to PROCEDURE - Step 17

  38. REMOVE FUEL PUMP LIFTER ASSEMBLY 

    Refer to PROCEDURE - Step 18

  39. REMOVE NO. 1 INTERCOOLER COOLING WATER HOSE ASSEMBLY 
    1. GTY1132061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. GTY1132062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. REMOVE FUEL DELIVERY PIPE 
    Refer to PROCEDURE - Step 17
  42. REMOVE FUEL DELIVERY SPACER 

    Refer to PROCEDURE - Step 18

  43. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 19

  44. REMOVE NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 20

  45. REMOVE PORT FUEL INJECTOR ASSEMBLY 
    Refer to PROCEDURE - Step 21
  46. REMOVE IGNITION COIL ASSEMBLY 
    Refer to PROCEDURE - Step 4
  47. REMOVE SENSOR WIRE 
    1. GTY1132287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the 4 connectors.
      2. Disengage the 2 clamps.
      3. Using an 8 mm socket wrench, remove the bolt and sensor wire.
  48. REMOVE NO. 1 WATER HOSE CLAMP BRACKET 
    1. GTY1133195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE WATER INLET HOUSING 
    1. GTY1132058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  50. REMOVE EXHAUST PIPE HEAT INSULATOR 

    Refer to PROCEDURE - Step 2

  51. REMOVE WATER BY-PASS HOSE 
    1. GTY1129948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  52. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY 
    1. GTY1132065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE WATER BY-PASS GASKET 
    1. GTY1078373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  54. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY1132064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  55. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Cylinder Head Side) 
    Refer to PROCEDURE - Step 9
  56. REMOVE KNOCK CONTROL SENSOR 
    Refer to PROCEDURE - Step 3
  57. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 

    Refer to PROCEDURE - Step 2

  58. REMOVE CRANKSHAFT POSITION SENSOR 
    Refer to PROCEDURE - Step 2
  59. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY1131821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the bolt and wire harness clamp bracket from the No. 2 timing chain cover assembly.
      2. Using an 8 mm socket wrench, remove the bolt and wire harness clamp bracket from the crankshaft bearing cap.
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