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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 Gasoline Model) >> Removal [09/2023 - ] >> Procedure

Removal [09/2023 - ]: Procedure

  1. REMOVE DRIVE SHAFT BEARING BRACKET 
    1. GTY1078349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

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

    Refer to PROCEDURE - Step 10

  4. DISCONNECT NO. 1 VENTILATION PRESSURE SENSOR HOSE 

    Refer to PROCEDURE - Step 11

  5. REMOVE AIR TUBE ASSEMBLY 
    Refer to PROCEDURE - Step 9
  6. REMOVE FUEL DELIVERY GUARD 

    Refer to PROCEDURE - Step 10

  7. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE 

    Refer to PROCEDURE - Step 11

  8. DISCONNECT NO. 1 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 12

  9. DISCONNECT NO. 3 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 14

  10. DISCONNECT NO. 4 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 16

  11. DISCONNECT NO. 4 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 18

  12. DISCONNECT NO. 5 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 19

  13. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. GTY1077906Courtesy 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 with intercooler assembly.
      3. Remove the O-ring from the engine oil level dipstick guide.
  14. REMOVE INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY 

    Refer to PROCEDURE - Step 21

  15. REMOVE WATER CONTROL VALVE 

    Refer to PROCEDURE - Step 11

  16. REMOVE FRONT WATER BY-PASS JOINT 
    1. GTY1078350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE WATER OUTLET GASKET 
    1. GTY1078351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE VACUUM REGULATING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 14

  19. REMOVE COMPRESSOR INLET ELBOW SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 15
  20. REMOVE NO. 1 TURBO INSULATOR 

    Refer to PROCEDURE - Step 18

  21. DISCONNECT NO. 2 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 20

  22. DISCONNECT NO. 3 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 19

  23. REMOVE NO. 1 HEAT INSULATOR BRACKET 

    Refer to PROCEDURE - Step 21

  24. REMOVE MANIFOLD STAY 
    1. GTY1078368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE NO. 1 TURBO OIL PIPE 
    1. GTY1080649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE NO. 1 TURBO OIL OUTLET GASKET 
    1. GTY1078366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE TURBOCHARGER SUB-ASSEMBLY 
    1. GTY1080650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. DISCONNECT WATER OUTLET STAY 
    1. GTY1078353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. GTY1077812Courtesy 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. Disconnect the fuel tube sub-assembly from the fuel delivery pipe.

        Refer to PRECAUTION [09/2023 - ]

  30. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 12
  31. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 13
  32. REMOVE FUEL PUMP SPACER GASKET 

    Refer to PROCEDURE - Step 14

  33. REMOVE FUEL PUMP LIFTER ASSEMBLY 

    Refer to PROCEDURE - Step 15

  34. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. GTY1078388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE FUEL DELIVERY PIPE 
    Refer to PROCEDURE - Step 14
  36. REMOVE FUEL DELIVERY SPACER 

    Refer to PROCEDURE - Step 15

  37. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 16

  38. REMOVE NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 17

  39. REMOVE PORT FUEL INJECTOR ASSEMBLY 
    Refer to PROCEDURE - Step 18
  40. REMOVE IGNITION COIL ASSEMBLY 
    Refer to PROCEDURE - Step 4
  41. REMOVE WIRE HARNESS 
    1. GTY1078586Courtesy 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 wire harness.
  42. REMOVE WATER INLET HOUSING 
    1. GTY1078394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE NO. 2 MANIFOLD STAY 
    1. GTY1078367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE EXHAUST PIPE HEAT INSULATOR 

    Refer to PROCEDURE - Step 2

  45. REMOVE WATER BY-PASS HOSE 
    1. GTY1078370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY 
    1. GTY1078989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  47. REMOVE WATER BY-PASS GASKET 
    1. GTY1078373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE HEATER WATER HOSE BRACKET 
    1. GTY1078407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Cylinder Head Side) 
    Refer to PROCEDURE - Step 9
  50. REMOVE KNOCK CONTROL SENSOR 
    Refer to PROCEDURE - Step 3
  51. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 

    Refer to PROCEDURE - Step 2

  52. REMOVE CRANKSHAFT POSITION SENSOR 
    Refer to PROCEDURE - Step 2
  53. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY1078813Courtesy 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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