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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 >> Installation [05/2023 - ] >> Procedure

Installation [05/2023 - ]: Procedure

  1. INSTALL ENGINE HANGER 

    See step  84

  2. REMOVE ENGINE STAND 
    1. 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.

    2. Lift the engine and remove it from the engine stand.
      NOTE:

      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.

    3. Place the engine onto a work bench.
  3. INSTALL REAR ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 5

  4. INSTALL REAR ENGINE MOUNTING MEMBER 
    1. Install the rear engine mounting member to the rear engine mounting insulator with the 3 nuts.

      Torque: 41 N.m (418 kgf/cm, 30 ft.lbf) 

      GTY834860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

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

    1. Install the 2 front engine mounting insulators with the 2 bolts

      Torque: 57 N.m (581 kgf/cm, 42 ft.lbf) 

  6. CONNECT FRONT FRAME CROSSMEMBER SUB-ASSEMBLY 
    1. Install the front frame crossmember sub-assembly to the engine assembly with the 2 nuts

      Torque: 65 N.m (663 kgf/cm, 48 ft.lbf) 

  7. INSTALL FLYWHEEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2

  8. INSTALL TRANSMISSION INPUT DAMPER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 3

  9. INSTALL HYBRID VEHICLE TRANSMISSION ASSEMBLY 

    Refer to INSTALLATION [05/2023 - ]

  10. INSTALL FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 7

  11. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 5

  12. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 4

  13. CONNECT AIR FUEL RATIO SENSOR 

    Refer to PROCEDURE - Step 6

  14. INSTALL NO. 1 EGR PIPE 

    Refer to PROCEDURE - Step 7

  15. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. Install a new O-ring to the engine oil level dipstick guide.
    2. Apply a light coat of engine oil to the O-ring.
    3. Push in the engine oil level dipstick guide end into the guide hole.
    4. Install the engine oil level dipstick guide with the bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  16. INSTALL NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 24

  17. INSTALL ENGINE AND TRANSMISSION ASSEMBLY 
    1. Set the engine on an engine lifter.
      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.
      GTY821075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Place Wooden Block or Plate Attachments
    2. Operate the engine lifter and install the engine and transmission assembly to the vehicle.
      NOTE:

      Make sure that the engine is clear of all wiring and hoses.

    3. Install the engine and transmission assembly to the vehicle with the 2 bolts and 2 nuts.
      GTY799454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut

      Torque: 175.5 N.m (1790 kgf/cm, 129 ft.lbf) 

    4. Install the rear engine mounting member with the 6 bolts.

      Torque: 44.4 N.m (453 kgf/cm, 33 ft.lbf) 

      GTY783629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 4 bolts and 2 engine hangers.
  18. INSTALL NO. 2 GROUND WIRE 
    1. Connect the No. 2 ground wire with the bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      GTY828505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. CONNECT NO. 2 PARKING LOCK RELEASE CABLE ASSEMBLY 
    1. Connect the parking lock release lever assembly cable end to 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
    2. Attach the 2 claws and connect the cover to the No. 2 parking lock release cable assembly as shown in the illustration.
      GTY798759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Cover
      Arrow
      Connect
  20. INSTALL REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 14

  21. INSTALL REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY RH 

    HINT: 

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

  22. TEMPORARILY TIGHTEN STEERING KNUCKLE LH 
    1. Install the steering knuckle LH with the 2 bolts and 2 nuts.
      GTY835816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. TEMPORARILY TIGHTEN STEERING KNUCKLE RH 

    HINT: 

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

  24. CONNECT FRONT STABILIZER LINK ASSEMBLY LH 

    Refer to PROCEDURE - Step 7

  25. CONNECT FRONT STABILIZER LINK ASSEMBLY RH 

    HINT: 

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

  26. CONNECT TIE ROD ASSEMBLY LH 

    Refer to PROCEDURE - Step 2

  27. CONNECT TIE ROD ASSEMBLY RH 

    HINT: 

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

  28. INSTALL FRONT DISC BRAKE DUST COVER LH 

    Refer to PROCEDURE - Step 10

  29. INSTALL FRONT DISC BRAKE DUST COVER RH 

    HINT: 

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

  30. INSTALL FRONT DISC LH 

    Refer to PROCEDURE - Step 4

  31. INSTALL FRONT DISC RH 

    HINT: 

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

  32. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY LH 

    Refer to PROCEDURE - Step 5

  33. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY RH 

    HINT: 

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

  34. CONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 7

  35. CONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH 

    HINT: 

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

  36. CONNECT FRONT SKID CONTROL SENSOR WIRE LH 

    Refer to PROCEDURE - Step 15

  37. CONNECT FRONT SKID CONTROL SENSOR WIRE RH 

    HINT: 

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

  38. CONNECT STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  39. INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 1

  40. INSPECT AND ADJUST NO. 2 AND NO. 3 JOINT ANGLE 

    Refer to PROCEDURE - Step 3

  41. TIGHTEN CENTER NO. 1 SUPPORT BEARING ASSEMBLY 

    Refer to PROCEDURE - Step 2

  42. INSTALL NO. 2 FUEL TANK PROTECTOR 

    Refer to PROCEDURE - Step 4

  43. INSTALL FRONT NO. 1 FLOOR HEAT INSULATOR 

    Refer to PROCEDURE - Step 5

  44. INSTALL FRONT EXHAUST PIPE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  45. INSTALL FRONT CENTER FLOOR BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7

  46. INSTALL FRONT FENDER SEAL LH 

    Refer to PROCEDURE - Step 11

  47. INSTALL FRONT FENDER SEAL RH 

    HINT: 

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

  48. INSTALL FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 9

  49. INSTALL FRONT FLOOR COVER RH 

    HINT: 

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

  50. INSTALL REAR FLOOR SIDE MEMBER COVER LH 

    Refer to PROCEDURE - Step 13

  51. INSTALL REAR FLOOR SIDE MEMBER COVER RH 

    HINT: 

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

  52. INSTALL REAR FRAME RAIL SUB-ASSEMBLY 
    1. Install the rear frame rail sub-assembly LH and rear frame rail sub-assembly RH with the 6 bolts and 4 nuts.
      GTY814210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Bolt A
      *b Bolt B

      Bolt A 

      Torque: 28 N.m (286 kgf/cm, 21 ft.lbf) 

      Bolt B 

      Torque: 14 N.m (143 kgf/cm, 10 ft.lbf) 

  53. INSTALL NO. 2 FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 
    1. Install the No. 2 front bumper reinforcement sub-assembly with the 6 nuts.
      GTY783626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 25 N.m (255 kgf/cm, 18 ft.lbf) 

  54. INSTALL RADIATOR SUPPORT OPENING COVER 

    Refer to PROCEDURE - Step 41

  55. INSTALL FRONT BUMPER COVER 

    Refer to INSTALLATION [05/2023 - ]

  56. CONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY 
    1. Connect the No. 2 fuel tube sub-assembly and clamp.

      Refer to PRECAUTION [05/2023 - ]

      GTY783406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  57. CONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Connect the fuel tube sub-assembly and clamp.

      Refer to PRECAUTION [05/2023 - ]

      GTY829140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  58. CONNECT NO. 3 ENGINE WIRE 
    1. Connect the No. 3 engine wire with the bolt and 2 clamps.

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

      GTY783625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  59. CONNECT NO. 3 ENGINE ROOM WIRE 
    GTY829141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the connector of the air conditioning wire.
    2. Connect the No. 3 engine room wire with the 2 connectors.
    3. Install the No. 3 engine room wire with the 2 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  60. CONNECT ENGINE WIRE 
    1. Connect the 3 connectors of the engine wire to the relay block.
      GTY783635Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the clamp and 2 claws.
      GTY783636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  61. INSTALL ECM 

    Refer to PROCEDURE - Step 3

  62. INSTALL NO. 2 RELAY BLOCK COVER 
    1. Attach the 4 claws to install the No. 2 relay block cover.
      GTY783634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  63. CONNECT SUCTION HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  64. CONNECT DISCHARGE HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  65. CONNECT TRANSMISSION OIL COOLER HOSE 

    Refer to PROCEDURE - Step 23

  66. CONNECT NO. 2 OIL COOLER OUTLET HOSE 

    Refer to PROCEDURE - Step 25

  67. CONNECT WATER HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

  68. CONNECT INLET HEATER WATER HOSE 
    1. Connect the inlet heater water hose to the No. 3 water by-pass hose assembly, and slide the clamp to secure the hose.
      GTY793368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  69. CONNECT OUTLET HEATER WATER HOSE 
    1. Connect the outlet heater water hose to the No. 2 water by-pas pipe assembly, and slide the clamp to secure the hose.
      GTY799447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  70. CONNECT NO. 3 RADIATOR HOSE 

    Refer to PROCEDURE - Step 29

  71. CONNECT NO. 1 RADIATOR HOSE 

    Refer to PROCEDURE - Step 30

  72. CONNECT NO. 1 FUEL VAPOR FEED HOSE 
    1. Connect the No. 1 fuel vapor feed hose to the purge VSV.
      GTY783637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  73. CONNECT GENERATOR CABLE 

    Refer to PROCEDURE - Step 13

  74. CONNECT MOTOR CABLE 

    Refer to PROCEDURE - Step 12

  75. INSTALL INVERTER TERMINAL COVER 

    Refer to PROCEDURE - Step 14

  76. INSTALL AIR CLEANER WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 4

  77. CONNECT NO. 2 PCV HOSE 

    Refer to PROCEDURE - Step 6

  78. INSTALL NO. 1 AIR CLEANER INLET 

    Refer to PROCEDURE - Step 5

  79. INSTALL RADIATOR SUPPORT TO CROSSMEMBER BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 8

  80. INSTALL RADIATOR SUPPORT TO CROSSMEMBER BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 7

  81. ADD ENGINE OIL 

    Refer to PROCEDURE - Step 8

  82. ADD HYBRID TRANSMISSION FLUID 

    Refer to PROCEDURE - Step 1

  83. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [05/2023 - ]

  84. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to INSTALLATION [05/2023 - ]

  85. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    HINT: 

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [05/2023 - ]

  86. PARKING LOCK FORCED RELEASE 

    Refer to PROCEDURE - Step 2

  87. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT 

    Refer to PROCEDURE - Step 2

  88. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 5

  89. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 3

  90. WARM UP COMPRESSOR 

    Refer to PROCEDURE - Step 3

  91. INSPECT SHIFT LEVER POSITION 

    Refer to PROCEDURE - Step 5

  92. ADJUST TRANSMISSION FLUID 

    Refer to PROCEDURE - Step 2

  93. INSPECT FOR ENGINE COOLANT LEAK 

    Refer to PROCEDURE - Step 3

  94. INSPECT FOR COOLANT LEAK (for Inverter) 

    Refer to PROCEDURE - Step 1

  95. INSPECT FOR OIL LEAK 

    Refer to PROCEDURE - Step 10

  96. INSPECT FOR FUEL LEAK 

    Refer to PROCEDURE - Step 1

  97. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 14

  98. INSPECT FOR REFRIGERANT LEAK 

    Refer to PROCEDURE - Step 4

  99. INSTALL FRONT WHEEL 

    Refer to INSTALLATION [05/2023 - ]

  100. STABILIZE SUSPENSION 

    Refer to PROCEDURE - Step 9

  101. FULLY TIGHTEN LOWER NO. 2 SUSPENSION ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 12

  102. FULLY TIGHTEN LOWER NO. 2 SUSPENSION ARM ASSEMBLY RH 

    HINT: 

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

  103. FULLY TIGHTEN FRONT LOWER SUSPENSION ARM ASSEMBLY LH 

    Refer to PROCEDURE - Step 13

  104. FULLY TIGHTEN FRONT LOWER SUSPENSION ARM ASSEMBLY RH 

    HINT: 

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

  105. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
  106. CHECK AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [05/2023 - ]

  107. VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION (w/ VGRS) 

    Refer to CALIBRATION [01/2017 - ]

  108. INSPECT THROTTLE WITH MOTOR BODY ASSEMBLY 

    Refer to PROCEDURE - Step 1

  109. INSPECT IGNITION TIMING 

    Refer to PROCEDURE - Step 8

  110. INSPECT ENGINE IDLE SPEED 

    Refer to PROCEDURE - Step 9

  111. INSPECT CO/HC 

    Refer to PROCEDURE - Step 11

  112. INSPECT ENGINE OIL LEVEL 

    Refer to PROCEDURE - Step 2

  113. INSTALL STRUT BAR BRACKET SUPPORT SUB-ASSEMBLY 
    1. Install the strut bar bracket support sub-assembly with 4 new bolts.

      Torque: 7.9 N.m (81 kgf/cm, 70 in.lbf) 

      GTY783632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  114. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 
    1. Install the No. 2 engine under cover assembly with the clip and 10 new bolts.

      Torque: 7.9 N.m (81 kgf/cm, 70 in.lbf) 

      GTY783631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  115. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY 
    1. Install the No. 1 engine under cover assembly with the 15 screws and 3 clips.
      GTY783650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  116. INSTALL RADIATOR SUPPORT TO FRAME SEAL RH 

    Refer to PROCEDURE - Step 29

  117. INSTALL LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 28

  118. INSTALL V-BANK COVER SUB-ASSEMBLY 
    1. Attach the 3 clips in the order shown in the illustration to install the V-bank cover sub-assembly.
      GTY802350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Tip (Round Portion)
      NOTE:
      • Securely attach the clips.
      • If the clips are forcibly attached or struck with an object, they may be damaged.
      • Do not apply any oil to the tips (round portions).
  119. INSTALL NO. 2 DECK BOARD 
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