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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> Radiator >> Removal [12/2021 - ] >> Procedure

Removal [12/2021 - ]: Procedure

  1. REMOVE FRONT BUMPER ASSEMBLY 
  2. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY 
    Refer to PROCEDURE - Step 8
  3. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  4. DRAIN COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 2

  5. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 
  6. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

  7. REMOVE AIR CLEANER ASSEMBLY RH WITH AIR CLEANER HOSE ASSEMBLY RH 

    Refer to PROCEDURE - Step 2

  8. REMOVE AIR CLEANER ASSEMBLY LH WITH AIR CLEANER HOSE ASSEMBLY LH 

    Refer to PROCEDURE - Step 3

  9. DISCONNECT WATER BY-PASS HOSE 
    1. GTY1042559Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. DISCONNECT WATER BY-PASS HOSE ASSEMBLY 
    1. GTY1074182Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Move the Retainer Upwards Disconnect the Water By-pass Hose Assembly
  11. DISCONNECT NO. 2 WATER BY-PASS HOSE 
    1. GTY1041357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE RADIATOR RESERVE TANK ASSEMBLY 
    1. GTY1041352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE NO. 1 RADIATOR HOSE 
    1. GTY1041288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    NOTE:

    If the engine coolant temperature sensor has been struck or dropped, replace it.
    1. GTY1080856Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. DISCONNECT NO. 2 RADIATOR HOSE 
    1. GTY1075524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Push - -
  16. DISCONNECT NO. 2 WATER BY-PASS PIPE 
    1. GTY1041285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. DISCONNECT OIL COOLER ASSEMBLY WITH OIL COOLER HOSE 
    1. GTY1041284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. DISCONNECT OIL COOLER TUBE SUB-ASSEMBLY 
    1. GTY1041283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE COOLING FAN WIRE 
    1. GTY1081394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Push the lever down to release the lock and disconnect the connector A.
      2. Disconnect the connector B.
      3. Remove the 2 bolts and cooling fan wire.
  20. REMOVE NO. 1 V BELT (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) 
    Refer to PROCEDURE - Step 4
  21. DISCONNECT ENGINE WIRE 

    Refer to PROCEDURE - Step 5

  22. REMOVE NO. 1 AIR TUBE SUPPORT 

    Refer to PROCEDURE - Step 6

  23. REMOVE FAN AND GENERATOR V BELT 
    Refer to PROCEDURE - Step 7
  24. REMOVE FAN SHROUD 
    1. GTY1078398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Loosen the 4 nuts holding the fluid coupling assembly with fan.
      2. Remove the 2 bolts holding the fan shroud.
      3. Remove the 4 nuts.
      4. Remove the fan shroud together with the fluid coupling assembly with fan.
        NOTE:

        Be careful not to damage the radiator core.

      5. Remove the fan pulley from the engine water pump assembly.
  25. REMOVE NO. 2 INTERCOOLER COOLING RADIATOR ASSEMBLY 

    Refer to REMOVAL [12/2021 - ]

  26. REMOVE NO. 1 RADIATOR TO SUPPORT SEAL 
    1. GTY1073995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE CONNECTOR COVER 
    1. GTY1073997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. DISCONNECT ELECTRIC WATER PUMP ASSEMBLY 
    1. GTY1073993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. DISCONNECT NO. 1 WATER BY-PASS PIPE 
    1. GTY1041301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. DISCONNECT WATER HOSE JOINT 
    1. GTY1073991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. DISCONNECT FRONT WATER BY-PASS JOINT SUB-ASSEMBLY 
    1. GTY1078058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE NO. 1 RADIATOR BRACKET 
    1. GTY1074693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. DISCONNECT NO. 9 WATER BY-PASS HOSE 
    1. GTY1074712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. DISCONNECT NO. 8 WATER BY-PASS HOSE 
    1. GTY1074071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. DISCONNECT FRONT RADIATOR SIDE AIR GUIDE PLATE LH 
    1. GTY1074073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE NO. 2 RADIATOR BRACKET 
    1. GTY1074070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE FRONT RADIATOR SIDE AIR GUIDE PLATE LH 
    1. GTY1074065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. REMOVE FRONT RADIATOR SIDE AIR GUIDE PLATE RH 
    1. GTY1078060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY 
    1. GTY1081178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the bolt and disconnect the air conditioning tube and accessory assembly.
      2. Remove the O-ring from the air conditioning tube and accessory assembly.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them.

  40. DISCONNECT NO. 1 COOLER REFRIGERANT DISCHARGE HOSE 
    1. GTY1080786Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the bolt and disconnect the No. 1 cooler refrigerant discharge hose.
      2. Remove the O-ring from the No. 1 cooler refrigerant discharge hose.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them.

  41. REMOVE RADIATOR WITH COOLER CONDENSER ASSEMBLY 
    1. GTY1080606Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
      1. Detach the clamp and disconnect the connector.
      2. Remove the 6 bolts.
      3. Remove the radiator with cooler condenser assembly from the vehicle as shown in the illustration.
        NOTE:
        • Perform the following procedure with 2 or more people to prevent damage to the radiator with cooler condenser assembly.
        • When removing the radiator with cooler condenser assembly from the vehicle, do not apply excessive force to the cooler pipe or cooling hoses.
  42. REMOVE NO. 2 RADIATOR HOSE 
    1. GTY1041896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE BLOWER ASSEMBLY WITH SHROUD 
    1. GTY1076075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE NO. 2 AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY 
    Refer to PROCEDURE - Step 3
  45. REMOVE COOLER BRACKET 

    Refer to PROCEDURE - Step 4

  46. REMOVE COOLER CONDENSER ASSEMBLY 
    Refer to PROCEDURE - Step 5
  47. REMOVE UPPER RADIATOR AIR GUIDE PLATE 
    1. GTY1076012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE NO. 1 RADIATOR TO SUPPORT SEAL 
    1. GTY1075508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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