LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Engine Mechanical System - Service Information (2 Of 4)) >> Engine Assembly >> Removal [11/2021 - 03/2024] >> Procedure

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

WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECAUTION 
    NOTE:

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [11/2021 - ]
  2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 1

  3. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [11/2021 - ]

  4. REMOVE BATTERY 

    Refer to REMOVAL [11/2021 - ]

  5. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 

    Refer to PROCEDURE - Step 2

  6. SECURE STEERING WHEEL 
    Refer to PROCEDURE - Step 3
  7. REMOVE FRONT WHEELS 

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

  8. REMOVE FRONT FENDER FRONT SPLASH SHIELD LH 
    1. GTY1075993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT FENDER FRONT SPLASH SHIELD RH 
    1. GTY1075158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 ENGINE UNDER COVER 
    1. GTY1075662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Screw
  11. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 
    1. GTY1074998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Screw
  12. REMOVE FRONT FENDER APRON SEAL LH 
    1. GTY1075153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT FENDER APRON SEAL RH 
    1. GTY1075151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT FLOOR COVER LH 
    Refer to PROCEDURE - Step 5
  15. REMOVE FRONT FLOOR COVER RH 
    Refer to PROCEDURE - Step 7
  16. REMOVE FRONT BUMPER ASSEMBLY 

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

  17. REMOVE FRONT BUMPER LOWER ABSORBER 

    Refer to PROCEDURE - Step 48 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 49 [03/2022 - ]

  18. REMOVE NO. 2 FRONT BUMPER REINFORCEMENT 

    Refer to PROCEDURE - Step 51 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 52 [03/2022 - ]

  19. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 4

  20. DRAIN ENGINE OIL 

    Refer to PROCEDURE - Step 2 [11/2021 - 03/2023] , or refer to PROCEDURE - Step 2 [03/2023 - ]

  21. DRAIN AUTOMATIC TRANSAXLE FLUID 
    Refer to PROCEDURE - Step 10
  22. DRAIN TRANSFER OIL (for AWD) 

    Refer to PROCEDURE - Step 2

  23. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. GTY1075164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disengage the 4 clips and remove the No. 1 engine cover sub-assembly.
        NOTE:

        Pull the No. 1 engine cover sub-assembly straight up when removing. If the No. 1 engine cover sub-assembly is not pulled straight up when removing, it may become damaged.

  24. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 4

  25. DISCONNECT VACUUM HOSES 

    Refer to PROCEDURE - Step 5

  26. DISCONNECT NO. 2 VENTILATION HOSE 

    Refer to PROCEDURE - Step 6

  27. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 7

  28. REMOVE ECM 
    Refer to PROCEDURE - Step 9
  29. REMOVE BATTERY CLAMP SUB-ASSEMBLY 
    1. GTY1075414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 NO. 2 ENGINE WIRE *2 ENGINE ROOM MAIN WIRE
      *3 POSITIVE BATTERY TERMINAL - -
  30. DISCONNECT FUEL VAPOR FEED HOSE ASSEMBLY 
    1. GTY1075133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. DISCONNECT NO. 1 VACUUM HOSE CONNECTOR 
    1. GTY1075134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. DISCONNECT OUTLET HEATER WATER HOSE 
    1. GTY1075571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer - -
      Pull out Pull off
      1. Pull out the retainer to detach the lock claws and pull off the outlet heater water hose.
      2. Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.
      3. Cover the disconnected No. 2 water by-pass pipe sub-assembly and outlet heater water hose connector with plastic bags to prevent damage and contamination.
  33. DISCONNECT INLET HEATER WATER HOSE 
    1. GTY1074972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer - -
      Pull out Pull off
      1. Pull out the retainer to detach the lock claws and pull off the inlet heater water hose.
      2. Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.
      3. Cover the disconnected flow shutting valve (water by-pass hose assembly) and inlet heater water hose connector with plastic bags to prevent damage and contamination.
  34. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. GTY1075831Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the No. 1 fuel pipe clamp from the fuel tube connector.
      2. Disconnect the fuel tube sub-assembly.

        Refer to PRECAUTION [11/2021 - ]

  35. DISCONNECT NO. 1 RADIATOR HOSE 
    1. GTY1077184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. DISCONNECT NO. 2 RADIATOR HOSE 
    1. GTY1080254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. DISCONNECT SUCTION HOSE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 4
  38. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 5
  39. DISCONNECT WIRE HARNESS 
    NOTE:

    When disconnecting a wire harness of any component connected to the supply power of the integrated capacitor (integration control supply) or when removing the integrated capacitor (integration control supply), make sure to wait 5 minutes or more after turning the ignition switch off for self-diagnosis to complete and the voltage of the integrated capacitor (integration control supply) to discharge.

    HINT: After disconnecting the wire harness, secure it with tape or equivalent to keep it out of the way.
    1. GTY1080277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. DISCONNECT NO. 5 WATER BY-PASS HOSE 
    1. GTY1077580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY 
    Refer to PROCEDURE - Step 5
    NOTE:

    If matchmarks were not placed when removing parts related to steering operation, perform automatic rack centering.
  42. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) 
    Refer to PROCEDURE - Step 2 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 2 [03/2022 - ]
  43. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY (for AWD) 

    Refer to REMOVAL [11/2021 - ]

  44. REMOVE FRONT DRIVE SHAFT ASSEMBLY 

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

  45. SEPARATE TIE ROD ASSEMBLY LH 
    Refer to PROCEDURE - Step 6
  46. SEPARATE TIE ROD ASSEMBLY RH 
    1. Perform the same procedure as for the LH side.
  47. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE 
    1. GTY1076241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Attachments - -
      1. Set the engine assembly with transaxle on an engine lifter.
        NOTE:
        • Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle level.
        • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
        • To prevent the engine assembly from unexpectedly moving, securely support the engine assembly until it is secured to an engine stand.
    2. GTY1076966Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Nut
  48. REMOVE FUEL DELIVERY GUARD 
    1. GTY1077177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. INSTALL ENGINE HANGERS 
    1. GTY1076418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Hanger *2 No. 2 Engine Hanger
      1. Install the No. 1 engine hanger and No. 2 engine hanger with the 4 bolts as shown in the illustration.

        Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 

        HINT: 

        No. 1 Engine Hanger 12281-25030
        No. 2 Engine Hanger 12282-25010
        Bolt 91552-F1040
      2. Using an engine sling device and engine lift, secure the engine assembly with transaxle.
        NOTE:
        • Pay attention to the angle of the sling device as the engine assembly or No. 1 engine hanger and No. 2 engine hanger may be damaged or deformed if the angle is incorrect.
        • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
  50. REMOVE FLYWHEEL HOUSING UNDER COVER 
    1. GTY997771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  51. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    Refer to PROCEDURE - Step 3 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 3 [03/2022 - 03/2024]
  52. REMOVE FLOW SHUTTING VALVE (NO. 1 WATER BY-PASS HOSE) 
    Refer to PROCEDURE - Step 11
  53. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
    Refer to PROCEDURE - Step 2
  54. DISCONNECT VACUUM HOSE 
    1. GTY1076506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A 2WD *B AWD
  55. REMOVE BREATHER PLUG HOSE 
    Refer to PROCEDURE - Step 7 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 7 [03/2022 - 03/2024]
  56. REMOVE STEERING GEAR HEAT INSULATOR 

    Refer to PROCEDURE - Step 12

  57. DISCONNECT WIRE HARNESS 
    Refer to PROCEDURE - Step 9 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 9 [03/2022 - 03/2024]
  58. REMOVE FRONT FRAME ASSEMBLY 
    1. GTY1077568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A 2WD *B AWD
  59. REMOVE FRONT ENGINE MOUNTING BRACKET 

    Refer to PROCEDURE - Step 15 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 15 [03/2022 - 03/2024]

  60. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the front engine mounting insulator is necessary.

    1. GTY1076370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  61. REMOVE REAR ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the rear engine mounting insulator is necessary.

    Refer to PROCEDURE - Step 2
  62. REMOVE FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 4

  63. REMOVE STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 5

  64. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY 
    See step  1
  65. REMOVE DRIVE PLATE & RING GEAR SUB-ASSEMBLY 
    See step  2
  66. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE 

    See step  3

  67. REMOVE ENGINE WIRE 

    HINT: 

    As the illustration shown is an example, the actual details may differ.

    1. GTY1077155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  68. INSTALL ENGINE ASSEMBLY TO ENGINE STAND 
    1. GTY996339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  69. REMOVE ENGINE HANGERS 
  70. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 

    HINT: 

    Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.

    1. GTY1077172Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  71. REMOVE ENGINE MOUNTING SPACER 

    HINT: 

    Perform this procedure only when replacement of the engine mounting spacer is necessary.

    1. GTY1077173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  72. REMOVE ENGINE MOUNTING BRACKET SUB-ASSEMBLY LH 

    HINT: 

    Perform this procedure only when replacement of the engine mounting bracket sub-assembly LH is necessary.

    1. GTY1077574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals