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Home >> Lexus >> 2023 >> LC 500h >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> Radiator >> Removal [01/2017 - 06/2019] >> Procedure

Removal [01/2017 - 06/2019]: Procedure

  1. REMOVE FRONT BUMPER 

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

  2. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8

  3. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 1

  4. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 14

  5. REMOVE ENGINE UNDER COVER REINFORCEMENT 
    1. Remove the 4 bolts and engine under cover reinforcement from the strut bar bracket support sub-assembly.
      GTY827593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DRAIN ENGINE COOLANT 

    See step  4

  7. DRAIN COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 17

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

    Refer to PROCEDURE - Step 16

  10. REMOVE NO. 1 AIR CLEANER INLET 

    Refer to PROCEDURE - Step 7

  11. REMOVE AIR CLEANER WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 8

  12. REMOVE NO. 2 FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 
    1. Remove the 6 nuts and No. 2 front bumper reinforcement sub-assembly.
      GTY785673Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE RADIATOR SUPPORT EXTENSION LH 
    1. Remove the 3 screws and disconnect the front bumper fender liner LH from the radiator support extension LH.
      GTY796356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 screws, detach the 2 claws and remove the radiator support extension LH from the radiator support opening cover.
      GTY796355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE RADIATOR SUPPORT EXTENSION RH 
    1. Remove the 3 screws and disconnect the front fender liner RH from the radiator support extension RH.
      GTY796360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 screws, detach the 2 claws and remove the radiator support extension RH from the radiator support opening cover.
      GTY831913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE RADIATOR SUPPORT OPENING COVER 
    1. Remove the 4 screws, detach the 3 claws and remove the radiator support opening cover from the front crossmember sub-assembly.
      GTY829587Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE LOWER ARM BRACKET BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 15

  17. REMOVE LOWER ARM BRACKET BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 14

  18. REMOVE HOOD LOCK RELEASE LEVER PROTECTOR 

    Refer to PROCEDURE - Step 5

  19. REMOVE HOOD LOCK ASSEMBLY 

    Refer to PROCEDURE - Step 7

  20. REMOVE HOOD LOCK CONTROL CABLE COVER LH 

    Refer to PROCEDURE - Step 6

  21. REMOVE HOOD LOCK CONTROL CABLE COVER RH 

    Refer to PROCEDURE - Step 10

  22. REMOVE RADIATOR RESERVE TANK ASSEMBLY 
    1. Disconnect the 3 connector, detach the 3 wire harness clamps to disconnect the engine room main wire from the radiator reserve tank assembly.
      GTY776792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the 2 clips and remove the radiator reserve tank hose.
      GTY800975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Radiator Reserve Tank Hose
      *2 Reserve Tank Outlet Hose
      *3 No. 3 Inverter Cooling Hose
    3. Slide the clip and disconnect the reserve tank outlet hose.
    4. Detach the clamp and disconnect the No. 3 inverter cooling hose from the radiator reserve tank assembly.
    5. Remove the 2 bolts and radiator reserve tank assembly from the fan with motor assembly.
      GTY776790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE INVERTER RESERVE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 7

  24. REMOVE INVERTER WATER PUMP WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 8

  25. DISCONNECT NO. 1 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 1 radiator hose from the water outlet sub-assembly.
      GTY829407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. DISCONNECT NO. 3 RADIATOR HOSE 
    1. Detach the clamp from the No. 3 radiator hose.
      GTY831877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 3 radiator hose from the water inlet with thermostat sub-assembly.
  27. DISCONNECT NO. 6 INVERTER COOLING HOSE 
    GTY796942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Slide the clip and disconnect the No. 6 inverter cooling hose from the inverter cooling inlet pipe assembly.
  28. DISCONNECT NO. 2 INVERTER COOLING HOSE 

    Refer to PROCEDURE - Step 19

  29. DISCONNECT NO. 3 INVERTER COOLING HOSE 

    Refer to PROCEDURE - Step 20

  30. DISCONNECT NO. 2 OIL COOLER OUTLET HOSE 
    1. Slide the clip and disconnect the No. 2 oil cooler outlet hose from the radiator assembly.
      GTY957793Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold Area
      *b Net Protector
      NOTE:

      Do not remove the No. 2 oil cooler outlet hose while holding the net protector. If force is applied to the net protector, it may cause the No. 2 oil cooler outlet hose to crack and lead to transmission fluid leaks.

  31. DISCONNECT NO. 3 ENGINE WIRE 
    1. Detach the 2 wire harness clamps, claw and remove the 2 bolts and No. 3 engine wire.
      GTY811096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. DISCONNECT TRANSMISSION OIL COOLER HOSE 
    1. Detach the oil cooler hose from the clamp.
      GTY796382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the transmission oil cooler hose from the radiator assembly.
      GTY958292Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold Area
      *b Net Protector
      NOTE:

      Do not remove the transmission oil cooler hose while holding the net protector. If force is applied to the net protector, it may cause the transmission oil cooler hose to crack and lead to transmission fluid leaks.

  33. DISCONNECT OIL COOLER INLET HOSE 
    1. Slide the clip and disconnect the oil cooler inlet hose from the motor cooling cooler.
      GTY957856Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold Area
      *b Net Protector
      NOTE:
      • Do not deform the motor cooling cooler.
      • Do not remove the oil cooler inlet hose while holding the net protector. If force is applied to the net protector, it may cause the oil cooler inlet hose to crack and lead to engine coolant leaks.
  34. DISCONNECT ENGINE ROOM MAIN WIRE 
    1. Detach the 3 wire harness clamps, disconnect the 4 connectors and engine room main wire.
      GTY776545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY 
    1. Remove the 5 bolts and upper radiator support sub-assembly.
      GTY784892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not allow the cooler condenser assembly to interfere with the radiator assembly.

  36. REMOVE HOOD LOCK SUPPORT BRACE 
    1. Remove the bolt and hood lock support brace from the front crossmember sub-assembly.
      GTY785672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. DISCONNECT LIQUID TUBE SUB-ASSEMBLY A 

    Refer to PROCEDURE - Step 21

  38. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY 
    1. Disconnect the discharge hose from the cooler compressor assembly.

      Refer to PROCEDURE - Step 12

    2. Disconnect the discharge hose from the cooler condenser assembly.

      Refer to PROCEDURE - Step 22

  39. REMOVE RADIATOR ASSEMBLY 
    1. Detach the 2 claws, 2 guides and disconnect the cooler condenser assembly from the radiator assembly.
      GTY785666Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not allow the cooler condenser assembly to interfere with the radiator assembly.

    2. Remove the 6 bolts and front crossmember sub-assembly.
      NOTE:

      Perform the following procedure with 2 or more people to prevent damage to the radiator assembly.

      GTY785671Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the radiator assembly from the vehicle together with the fan with motor assembly as shown in the illustration.
      GTY831331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
      NOTE:

      When removing the radiator assembly from the vehicle, do not apply excessive force to the cooler pipe or cooling hoses.

  40. REMOVE REAR RADIATOR SIDE AIR GUIDE PLATE LH 
    1. Detach the 3 claws and remove the rear radiator side air guide plate LH.
      GTY784857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. REMOVE NO. 3 INVERTER COOLING HOSE 
    1. Remove the bolt, clip and No. 3 inverter cooling hose from the radiator assembly.
      GTY788974Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE NO. 1 RADIATOR HOSE 
    1. Detach the clamp and disconnect the No. 1 radiator hose from the fan with motor assembly.
      GTY796385Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and remove the No. 1 radiator hose from the radiator assembly.
  43. REMOVE DISCHARGE HOSE SUB-ASSEMBLY 
    1. Detach the clamp and remove the discharge hose sub-assembly from the fan with motor assembly.
      GTY811090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE REAR RADIATOR SIDE AIR GUIDE PLATE RH 
    1. Detach the 2 claws and remove the rear radiator side air guide plate RH.
      GTY784858Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE NO. 2 INVERTER COOLING HOSE 
    1. Remove the 2 clips, clamp and the No. 2 inverter cooling hose from the radiator assembly.
      GTY830307Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE NO. 2 RADIATOR HOSE 
    1. Detach the clamp and disconnect the No. 2 radiator hose from the fan with motor assembly.
      GTY785665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and remove the No. 2 radiator hose from the radiator assembly.
  47. REMOVE FAN WITH MOTOR ASSEMBLY 
    1. Remove the 2 bolts, detach the 2 guides and remove the fan with motor assembly from the radiator assembly.
      GTY829409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE RADIATOR SUPPORT CUSHION 
    1. Remove the 2 radiator support cushions from the radiator assembly.
  49. REMOVE LOWER RADIATOR SUPPORT 
    1. Remove the 2 lower radiator supports from the radiator assembly.
  50. REMOVE NO. 1 RADIATOR SUPPORT TO SEAL 
    1. Remove the 2 No. 1 radiator support to seals from the radiator assembly.
  51. REMOVE NO. 2 RADIATOR SUPPORT TO SEAL 
    1. Remove the No. 2 radiator support to seal from the radiator assembly.
  52. REMOVE NO. 3 RADIATOR SUPPORT TO SEAL 
    1. Remove the No. 3 radiator support to seal from the radiator assembly.
  53. REMOVE NO. 4 RADIATOR SUPPORT TO SEAL 
    1. Remove the No. 4 radiator support to seal from the radiator assembly.
  54. REMOVE NO. 5 RADIATOR SUPPORT TO SEAL 
    1. Remove the No. 5 radiator support to seal from the radiator assembly.
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