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Home >> Lexus >> 2023 >> LC 500h >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System - Service Information (2 Of 3) >> Engine Assembly >> Removal [06/2019 - 05/2023] >> Procedure

Removal [06/2019 - 05/2023]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the power switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work.

    Refer to PRECAUTION [01/2017 - 05/2023]

  2. REMOVE NO. 2 DECK BOARD 
  3. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [01/2017 - 05/2023]

  4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [01/2017 - 04/2020] , or refer to INITIALIZATION [04/2020 - 05/2023]

  5. PARKING LOCK FORCED RELEASE 

    Refer to PROCEDURE - Step 2

  6. REMOVE RADIATOR SUPPORT TO FRAME SEAL RH 

    Refer to PROCEDURE - Step 2

  7. REMOVE LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 3

  8. REMOVE V-BANK COVER SUB-ASSEMBLY 
    1. Lift the V-bank cover sub-assembly to detach the 3 clips in the order shown in the illustration, and remove the V-bank cover sub-assembly.
      GTY800245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Areas to place hands when lifting cover
      NOTE:

      If the V-bank cover sub-assembly is lifted rearward or forward and to the right or left at the same time, the V-bank cover sub-assembly may be damaged.

  9. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [01/2017 - 05/2023]

  10. CHECK TERMINAL VOLTAGE 

    Refer to PROCEDURE - Step 15

  11. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 1

  12. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
  13. REMOVE FRONT WHEEL 

    Refer to PROCEDURE - Step 1

  14. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY 
    1. Remove the 15 screws, 3 clips and No. 1 engine under cover assembly.
      GTY783650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 
    1. Remove the 10 bolts, clip and No. 2 engine under cover assembly.
      GTY783631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE STRUT BAR BRACKET SUPPORT SUB-ASSEMBLY 
    1. GTY783632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 bolts and strut bar bracket support sub-assembly.

  17. DRAIN ENGINE OIL 

    Refer to PROCEDURE - Step 3 [01/2017 - 11/2021] , or refer to PROCEDURE - Step 3 [11/2021 - ]

  18. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  19. DRAIN COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 2

  20. DRAIN HYBRID TRANSMISSION FLUID 

    Refer to PROCEDURE - Step 1 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 1 [04/2020 - ]

  21. REMOVE RADIATOR SUPPORT TO CROSSMEMBER BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 17

  22. REMOVE RADIATOR SUPPORT TO CROSSMEMBER BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 16

  23. REMOVE NO. 1 AIR CLEANER INLET 

    Refer to PROCEDURE - Step 7

  24. DISCONNECT NO. 2 PCV HOSE 

    Refer to PROCEDURE - Step 6

  25. REMOVE AIR CLEANER WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 8

  26. REMOVE INVERTER TERMINAL COVER 

    Refer to PROCEDURE - Step 17

  27. DISCONNECT MOTOR CABLE 

    Refer to PROCEDURE - Step 19

  28. DISCONNECT GENERATOR CABLE 

    Refer to PROCEDURE - Step 18

  29. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE 
    1. Disconnect the No. 1 fuel vapor feed hose from the purge VSV.
      GTY783637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. DISCONNECT NO. 1 RADIATOR HOSE 

    Refer to PROCEDURE - Step 26

  31. DISCONNECT NO. 3 RADIATOR HOSE 

    Refer to PROCEDURE - Step 27

  32. DISCONNECT INLET HEATER WATER HOSE 
    1. Slide the clamp and disconnect the inlet heater water hose from the No. 3 water by-pass hose assembly.
      GTY829143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. DISCONNECT OUTLET HEATER WATER HOSE 
    1. Slide the clamp and disconnect the outlet heater water hose from the No. 2 water by-pass pipe assembly.
      GTY829142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. DISCONNECT WATER HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 12

  35. DISCONNECT NO. 2 OIL COOLER OUTLET HOSE 

    Refer to PROCEDURE - Step 31

  36. DISCONNECT TRANSMISSION OIL COOLER HOSE 

    Refer to PROCEDURE - Step 33

  37. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 12

  38. DISCONNECT SUCTION HOSE SUB-ASSEMBLY A 

    Refer to PROCEDURE - Step 13

  39. REMOVE NO. 2 RELAY BLOCK COVER 
    1. Detach the 4 claws and remove the No. 2 relay block cover.
      GTY783634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. REMOVE ECM 

    Refer to PROCEDURE - Step 4

  41. DISCONNECT ENGINE WIRE 
    1. Detach the clamp and 2 claws.
      GTY783636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 3 connectors and engine wire from the relay block.
      GTY783635Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. DISCONNECT NO. 3 ENGINE ROOM WIRE 
    GTY829141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 bolts of the No. 3 engine room wire.
    2. Disconnect the 2 connectors and No. 3 engine room wire.
    3. Disconnect the connector and air conditioning wire.
  43. DISCONNECT NO. 3 ENGINE WIRE 
    1. Remove the bolt, 2 clamps and disconnect the No. 3 engine wire.
      GTY783625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Detach the clamp and disconnect the fuel tube sub-assembly from the fuel main tube connector.
      GTY829140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to PRECAUTION [01/2017 - 05/2023]

  45. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY 
    1. Detach the clamp and disconnect the No. 2 fuel tube sub-assembly from the fuel pipe.
      GTY783406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to PRECAUTION [01/2017 - 05/2023]

  46. REMOVE FRONT BUMPER COVER 

    Refer to PROCEDURE - Step 4

  47. REMOVE RADIATOR SUPPORT OPENING COVER 

    Refer to PROCEDURE - Step 15

  48. REMOVE NO. 2 FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 
    1. Remove the 6 nuts and No. 2 front bumper reinforcement sub-assembly.
      GTY783626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE REAR FRAME RAIL SUB-ASSEMBLY 
    1. Remove the 6 bolts, 4 nuts and rear frame rail sub-assembly.
      GTY783627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  50. REMOVE REAR FLOOR SIDE MEMBER COVER LH 

    Refer to PROCEDURE - Step 1 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 1 [04/2020 - ]

  51. REMOVE REAR FLOOR SIDE MEMBER COVER RH 

    Refer to PROCEDURE - Step 2 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 2 [04/2020 - ]

  52. REMOVE FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 5 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 5 [04/2020 - ]

  53. REMOVE FRONT FLOOR COVER RH 

    Refer to PROCEDURE - Step 6 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 6 [04/2020 - ]

  54. REMOVE FRONT FENDER SEAL LH 

    Refer to PROCEDURE - Step 3 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 3 [04/2020 - ]

  55. REMOVE FRONT FENDER SEAL RH 

    Refer to PROCEDURE - Step 4 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 4 [04/2020 - ]

  56. REMOVE FRONT CENTER FLOOR BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 7 [04/2020 - ]

  57. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    Refer to PROCEDURE - Step 12 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 12 [04/2020 - ]

  58. REMOVE FRONT NO. 1 FLOOR HEAT INSULATOR 

    Refer to PROCEDURE - Step 2

  59. REMOVE NO. 2 FUEL TANK PROTECTOR 

    Refer to PROCEDURE - Step 3

  60. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 4

  61. DISCONNECT STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 10

  62. DISCONNECT FRONT SKID CONTROL SENSOR WIRE LH 

    Refer to PROCEDURE - Step 6

  63. DISCONNECT FRONT SKID CONTROL SENSOR WIRE RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  64. DISCONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 5

  65. DISCONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  66. DISCONNECT FRONT DISC BRAKE CALIPER ASSEMBLY LH 

    Refer to PROCEDURE - Step 4

  67. DISCONNECT FRONT DISC BRAKE CALIPER ASSEMBLY RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  68. REMOVE FRONT DISC LH 

    Refer to PROCEDURE - Step 7

  69. REMOVE FRONT DISC RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  70. REMOVE FRONT DISC BRAKE DUST COVER LH 

    Refer to PROCEDURE - Step 6

  71. REMOVE FRONT DISC BRAKE DUST COVER RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  72. DISCONNECT TIE ROD ASSEMBLY LH 

    Refer to PROCEDURE - Step 11

  73. DISCONNECT TIE ROD ASSEMBLY RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  74. DISCONNECT FRONT STABILIZER LINK ASSEMBLY LH 

    Refer to PROCEDURE - Step 4

  75. DISCONNECT FRONT STABILIZER LINK ASSEMBLY RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  76. DISCONNECT STEERING KNUCKLE LH 

    Refer to PROCEDURE - Step 2

  77. DISCONNECT STEERING KNUCKLE RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  78. REMOVE STEERING KNUCKLE LH 
    1. Remove the 2 bolts, 2 nuts and steering knuckle LH.
      GTY835816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  79. REMOVE STEERING KNUCKLE RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  80. REMOVE ENGINE SIDE COVER LH 

    Refer to PROCEDURE - Step 7

  81. REMOVE ENGINE SIDE COVER RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  82. REMOVE REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 8

  83. REMOVE REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY RH 

    HINT: 

    Remove the RH side following the same procedure as for the LH side.

  84. INSTALL ENGINE HANGER 
    1. Install the No. 1 engine hanger and No. 2 engine hanger with the 4 bolts as shown in the illustration.

      Torque: 33 N.m (337 kgf/cm, 24 ft.lbf) 

      GTY634306Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a No. 1 engine hanger
      *b No. 2 engine hanger

      HINT: 

      No. 1 engine hanger 12281 - 31070
      No. 2 engine hanger 12282 - 31161
      Bolt 91671 - 10825
  85. DISCONNECT NO. 2 PARKING LOCK RELEASE CABLE ASSEMBLY 
    1. Detach the 2 claws and disconnect the cover from the No. 2 parking lock release cable assembly as shown in the illustration.
      GTY787432Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Cover
      Disconnect
    2. Disconnect the parking lock release lever assembly cable end from the No. 2 parking lock release cable assembly cable end.
      GTY788488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Parking Lock Release Lever Assembly Cable End
      *2 No. 2 Parking Lock Release Cable Assembly Cable End
  86. DISCONNECT NO. 2 GROUND WIRE 
    1. Remove the bolt and disconnect the No. 2 ground wire.
      GTY828505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  87. REMOVE ENGINE AND TRANSMISSION ASSEMBLY 
    1. Set the engine on an engine lifter.
      GTY821074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Place Wooden Block or Plate Attachments
      NOTE:
      • Place wooden blocks or plate lift attachments so that the engine is level.
      • With the exception of installing the engine assembly to an engine stand or removing the engine assembly from an engine stand, do not perform any work on the engine while it is suspended, as doing so is dangerous.
      • Never install attachments to the oil pan of the engine assembly or transmission as doing so may deform the oil pan.
    2. Remove the 6 bolts, and then separate the rear engine mounting member.
      GTY783629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 bolts and 2 nuts shown in the illustration.
      GTY799454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    4. Operate the engine lifter, then slowly remove the engine and transmission assembly from the vehicle.
      NOTE:
      • Make sure the engine is clear of all wiring and hoses.
      • While lowering the engine from the vehicle, do not allow it to contact the vehicle.
    5. Attach an engine sling device and hang the engine with a chain block.
      NOTE:

      Pay attention to the angle of the sling device as the engine assembly or engine hangers may be damaged or deformed if the angle is incorrect.

  88. REMOVE NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 7

  89. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. Remove the bolt, then remove the engine oil level dipstick guide.
      GTY779106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from the engine oil level dipstick guide.
  90. REMOVE NO. 1 EGR PIPE 

    Refer to PROCEDURE - Step 24

  91. DISCONNECT AIR FUEL RATIO SENSOR 

    Refer to PROCEDURE - Step 25

  92. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 26

  93. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 27

  94. REMOVE FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 18 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 18 [04/2020 - 05/2023]

  95. REMOVE HYBRID VEHICLE TRANSMISSION ASSEMBLY 

    Refer to REMOVAL [01/2017 - 04/2020] , or refer to REMOVAL [04/2020 - 05/2023]

  96. REMOVE TRANSMISSION INPUT DAMPER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 2

  97. REMOVE FLYWHEEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  98. DISCONNECT FRONT FRAME CROSSMEMBER SUB-ASSEMBLY 
    1. Remove the 2 bolts, then disconnect the front suspension crossmember sub-assembly from the engine.
      GTY778436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a LH Side
      *b RH Side
  99. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

    Only perform this procedure when replacement of the engine mounting insulator is necessary.

    1. Remove the 2 nuts and front engine mounting insulator RH and LH.
      GTY785534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a LH Side
      *b RH Side
  100. REMOVE REAR ENGINE MOUNTING MEMBER 
    1. Remove the 3 nuts and rear engine mounting member from the rear engine mounting insulator.
      GTY834860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  101. REMOVE REAR ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 20 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 20 [04/2020 - 05/2023]

  102. INSTALL ENGINE ON ENGINE STAND 
    1. Install the engine to an engine stand with bolts.
      NOTE:
      • Pay attention to the angle of the sling device as the engine assembly or engine hangers may be damaged or deformed if the angle is incorrect.
      • With the exception of installing the engine assembly to an engine stand or removing the engine assembly from an engine stand, do not perform any work on the engine while it is suspended, as doing so is dangerous.
    2. Remove the 4 bolts and 2 engine hangers.
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