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Home >> Lexus >> 2024 >> TX 350 Base, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (T24A-FTS) - Service Information (2 Of 4) >> ENGINE ASSEMBLY (for Gasoline Model) >> Removal [09/2023 - ] >> Procedure

Removal [09/2023 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [09/2023 - ]
  2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 1 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 1 [12/2023 - ]

  3. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [09/2023 - ]

  4. REMOVE BATTERY 

    Refer to REMOVAL [09/2023 - ]

  5. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 

    Refer to PROCEDURE - Step 2 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 2 [12/2023 - ]

  6. SECURE STEERING WHEEL 
    Refer to PROCEDURE - Step 3 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 3 [12/2023 - ]
  7. REMOVE FRONT WHEELS 

    Refer to REMOVAL [09/2023 - ]

  8. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 
    1. GTY1232281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 
    1. GTY1240008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 ENGINE UNDER COVER 
    1. GTY1236096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Screw
  11. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 
    1. GTY1233791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Screw
  12. REMOVE FRONT FENDER APRON SEAL LH 
    1. GTY1232272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT FENDER APRON SEAL RH 
    1. GTY1232273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT FLOOR COVER LH 
    Refer to PROCEDURE - Step 3
  15. REMOVE NO. 1 FLOOR UNDER COVER 
    Refer to PROCEDURE - Step 4
  16. REMOVE FRONT FLOOR COVER RH 
    1. GTY1227734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 4 bolts (A), 3 screws (B) and clip (C).
      2. Turn the 3 clips (D) and remove the front floor cover RH from the vehicle body.
        NOTE:

        If the 3 clips are not turned when the front floor cover RH is removed, the front floor cover RH or stud bolt may be damaged.

        HINT: 

        Do not remove the clips from the front floor cover RH.

  17. REMOVE FRONT BUMPER ASSEMBLY 

    Refer to REMOVAL [09/2023 - ]

  18. REMOVE FRONT BUMPER LOWER ABSORBER 

    Refer to PROCEDURE - Step 58 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 59 [12/2023 - ]

  19. REMOVE NO. 2 FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 60 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 61 [12/2023 - ]

  20. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 5

  21. DRAIN COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 4

  22. DRAIN ENGINE OIL 

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 2

  25. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. GTY1198080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disengage the 3 grommets 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.

  26. REMOVE NO. 3 ENGINE COVER 
    1. GTY1131332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 4

  28. REMOVE AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 5

  29. DISCONNECT NO. 2 VENTILATION HOSE 
    1. GTY1197737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE AIR CLEANER HOSE ASSEMBLY 
    1. GTY1195256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE ECM 
    Refer to PROCEDURE - Step 6
  32. REMOVE BATTERY CLAMP SUB-ASSEMBLY 
    1. GTY1201921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 2 Engine Wire *2 Engine Room Main Wire
      *3 Positive Battery Terminal - -
  33. DISCONNECT FUEL VAPOR FEED HOSE ASSEMBLY 
    1. GTY1130080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. DISCONNECT UNION TO CHECK VALVE HOSE 
    1. GTY1195257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. DISCONNECT INLET HEATER WATER HOSE D 
    1. GTY1197740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. DISCONNECT HEATER WATER HOSE 
    1. GTY1197739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. GTY1195419Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the EFI fuel pipe clamp (fuel tube sub-assembly side) from the fuel tube connector.
      2. Disconnect the fuel tube sub-assembly.

        Refer to PRECAUTION [09/2023 - ]

  38. DISCONNECT NO. 1 RADIATOR HOSE 
    1. GTY1195299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. DISCONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 32

  40. DISCONNECT NO. 1 INTERCOOLER COOLING WATER HOSE 

    Refer to PROCEDURE - Step 13

  41. DISCONNECT NO. 2 INTERCOOLER COOLING WATER HOSE 
    1. GTY1197946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. DISCONNECT SUCTION HOSE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 4
  43. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 5
  44. DISCONNECT WIRE HARNESS 
    HINT: 
    After disconnecting the wire harness, secure it with tape or equivalent to keep it out of the way.
    1. GTY1232247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. DISCONNECT NO. 5 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 19

  46. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY 
    Refer to PROCEDURE - Step 5 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 5 [12/2023 - ]
  47. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for AWD) 

    Refer to REMOVAL [09/2023 - ]

  48. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for 2WD) 
    1. GTY1232269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE FRONT DRIVE SHAFT ASSEMBLY 

    Refer to REMOVAL [09/2023 - ]

  50. SEPARATE TIE ROD ASSEMBLY LH 
    Refer to PROCEDURE - Step 6 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 6 [12/2023 - ]
  51. SEPARATE TIE ROD ASSEMBLY RH 
    1. Perform the same procedure as for the LH side.
  52. REMOVE SUSPENSION TOWER DAMPER (w/ Suspension Tower Damper) 
    Refer to PROCEDURE - Step 4 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 4 [12/2023 - ]
  53. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE 
    1. GTY1237962Courtesy 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.
        • To prevent the No. 2 oil pan sub-assembly from deforming, do not place any attachments under the No. 2 oil pan sub-assembly of the engine assembly with transaxle.
    2. GTY1234945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Bumper Extension Sub-assembly LH *2 Front Bumper Extension Sub-assembly RH
      *3 Front Suspension Member Brace Rear LH *4 Front Suspension Member Brace Rear RH
      Bolt Nut
      1. Remove the 3 bolts and nut and separate the engine mounting insulator sub-assembly RH from the engine mounting bracket RH.
      2. Remove the bolt and wire harness clamp bracket from the engine mounting insulator LH.
      3. Remove the bolt and nut and separate the engine mounting insulator LH from the engine mounting bracket sub-assembly LH.
        NOTE:

        While holding the nut in place, loosen the bolt.

      4. Remove the 2 bolts (A), 2 bolts (B), 4 nuts, front bumper extension sub-assembly LH and front bumper extension sub-assembly RH from the front frame assembly and vehicle body.
      5. Remove the 2 bolts (C), 4 bolts (D), front suspension member brace rear LH and front suspension member brace rear RH from the front frame assembly and vehicle body.
      6. Operate the engine lifter and remove the engine assembly with transaxle from the vehicle.
        NOTE:
        • Make sure that the engine assembly with transaxle is clear of all wiring and hoses.
        • While lowering the engine assembly with transaxle from the vehicle, do not allow it to contact the vehicle.
  54. REMOVE ENGINE MOUNTING BRACKET CAP 
    1. GTY1078869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Turn over the engine mounting bracket cap to the upper part.
      2. While rotating in the direction shown in the illustration, remove the engine mounting bracket cap.
  55. INSTALL ENGINE HANGERS 
    1. GTY1197129Courtesy 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 12281-25080
        No. 2 Engine Hanger 12282-25060
        Bolt 91552-F1040
        90105-A0354
      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.
  56. REMOVE CONVERTER WITH CATALYST ASSEMBLY 

    Refer to REMOVAL [09/2023 - ]

  57. REMOVE FLYWHEEL HOUSING UNDER COVER 
    1. GTY1198195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  58. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    Refer to PROCEDURE - Step 5
  59. REMOVE FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 16

  60. REMOVE STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 17

  61. DISCONNECT VACUUM HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 9

  62. SEPARATE BREATHER PLUG HOSE 

    Refer to PROCEDURE - Step 10

  63. REMOVE NO. 2 RADIATOR HOSE 
    1. GTY1197951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  64. REMOVE WATER BY-PASS HOSE ASSEMBLY 
    1. GTY1197950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  65. REMOVE STEERING GEAR HEAT INSULATOR 

    Refer to PROCEDURE - Step 11 [09/2023 - 12/2023] , or refer to PROCEDURE - Step 11 [12/2023 - ]

  66. DISCONNECT ENGINE WIRE 
    Refer to PROCEDURE - Step 12
  67. REMOVE FRONT FRAME ASSEMBLY 
    1. GTY1202792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD *B for AWD
  68. REMOVE REAR ENGINE MOUNTING INSULATOR 
    1. for 2WD:

      Refer to PROCEDURE - Step 2

    2. for AWD:
      GTY1197944Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  69. REMOVE WIRE HARNESS CLAMP BRACKET 

    HINT: 

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

    1. for 2WD:

      Refer to PROCEDURE - Step 3

    2. for AWD:
      GTY1197940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  70. DISCONNECT VACUUM HOSE (for 2WD) 

    HINT: 

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

    Refer to PROCEDURE - Step 4

  71. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

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

    1. GTY1132922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD *B for AWD
  72. DISCONNECT VACUUM HOSE 

    HINT: 

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

    Refer to PROCEDURE - Step 17

  73. REMOVE ENGINE MOUNTING INSULATOR LH 

    HINT: 

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

    Refer to PROCEDURE - Step 25

  74. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY 
    Refer to PROCEDURE - Step 15
  75. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 
    See step  2
  76. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE 

    See step  3

  77. REMOVE ENGINE WIRE 

    HINT: 

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

    GTY1197939Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  78. REMOVE V-RIBBED BELT 
    Refer to PROCEDURE - Step 2
  79. REMOVE GENERATOR ASSEMBLY 
    Refer to PROCEDURE - Step 12
  80. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY 
    Refer to PROCEDURE - Step 6
  81. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY 
    NOTE:
    • Do not apply or add any oil or grease to the belt tensioner to prevent abnormal noises from the belt tensioner pulley, belt squealing, etc.
    • Do not allow oil or grease to adhere to the moving parts of the belt tensioner, as this may cause malfunctions.
    GTY743260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. GTY1078345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  82. INSTALL ENGINE ASSEMBLY TO ENGINE STAND 
    1. GTY996339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  83. REMOVE ENGINE HANGERS 
  84. DISCONNECT INTERCOOLER RESERVE TANK ASSEMBLY 

    HINT: 

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

    1. GTY1232195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  85. 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. GTY1232196Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  86. REMOVE ENGINE MOUNTING SPACER 

    HINT: 

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

    1. GTY1232183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  87. 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. GTY1239988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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