LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Engine Mechanical System - Service Information (3 Of 4)) >> Engine Unit >> Removal [11/2021 - 03/2024] >> Procedure

Removal [11/2021 - 03/2024]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
  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 4

  3. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to PROCEDURE - Step 13

  4. DISCONNECT NO. 1 VENTILATION PRESSURE SENSOR HOSE 
    1. GTY1077920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AIR TUBE ASSEMBLY 
    Refer to PROCEDURE - Step 8
  6. REMOVE FUEL DELIVERY GUARD 

    Refer to PROCEDURE - Step 9

  7. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE 

    Refer to PROCEDURE - Step 10

  8. DISCONNECT NO. 1 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 11

  9. DISCONNECT NO. 3 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 13

  10. DISCONNECT NO. 4 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 15

  11. DISCONNECT NO. 4 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 17

  12. DISCONNECT NO. 5 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 18

  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.
      3. Remove the O-ring from the engine oil level dipstick guide.
  14. REMOVE INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY 

    Refer to PROCEDURE - Step 20

  15. REMOVE WATER CONTROL VALVE 

    Refer to PROCEDURE - Step 10

  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 CONVERTER WITH CATALYST ASSEMBLY 

    Refer to REMOVAL [11/2021 - 03/2024]

  19. REMOVE VACUUM REGULATING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 17

  20. REMOVE COMPRESSOR INLET ELBOW SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 18
  21. REMOVE NO. 1 TURBO INSULATOR 

    Refer to PROCEDURE - Step 21

  22. DISCONNECT NO. 2 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 22

  23. DISCONNECT NO. 3 TURBO WATER HOSE 

    Refer to PROCEDURE - Step 23

  24. REMOVE NO. 1 HEAT INSULATOR BRACKET 

    Refer to PROCEDURE - Step 24

  25. REMOVE MANIFOLD STAY 
    1. GTY1078368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE NO. 1 TURBO OIL PIPE 
    1. GTY1080649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE NO. 1 TURBO OIL OUTLET GASKET 
    1. GTY1078366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE TURBOCHARGER SUB-ASSEMBLY 
    1. GTY1080650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. DISCONNECT WATER OUTLET STAY 
    1. GTY1078353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. 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 [11/2021 - ]

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

        Refer to PRECAUTION [11/2021 - ]

  31. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 11 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 12 [03/2023 - ]
  32. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 12 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 13 [03/2023 - ]
  33. REMOVE FUEL PUMP SPACER GASKET 

    Refer to PROCEDURE - Step 13 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 14 [03/2023 - ]

  34. REMOVE FUEL PUMP LIFTER ASSEMBLY 

    Refer to PROCEDURE - Step 14 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 15 [03/2023 - ]

  35. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. GTY1078388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE FUEL DELIVERY PIPE 
    Refer to PROCEDURE - Step 13 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 14 [03/2023 - ]
  37. REMOVE FUEL DELIVERY SPACER 

    Refer to PROCEDURE - Step 14 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 15 [03/2023 - ]

  38. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 15 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 16 [03/2023 - ]

  39. REMOVE NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 16 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 17 [03/2023 - ]

  40. REMOVE PORT FUEL INJECTOR ASSEMBLY 
    Refer to PROCEDURE - Step 17 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 18 [03/2023 - ]
  41. REMOVE IGNITION COIL ASSEMBLY 
    Refer to PROCEDURE - Step 3 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 4 [03/2023 - ]
  42. 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.
  43. REMOVE WATER INLET HOUSING 
    1. GTY1078394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE NO. 2 MANIFOLD STAY 
    1. GTY1078367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE EXHAUST PIPE HEAT INSULATOR 

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 2

  53. REMOVE CRANKSHAFT POSITION SENSOR 
    Refer to PROCEDURE - Step 2
  54. 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.
scientia non olet · About LEMON Manuals