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Home >> Lexus >> 2019 >> GS F >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> Radiator >> Removal [10/2015 - ] >> Procedure

Removal [10/2015 - ]: Procedure

  1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 10 [10/2015 - 09/2017], or Refer to PROCEDURE - Step 10 [09/2017 - 05/2018], or Refer to PROCEDURE - Step 10 [05/2018 - ]

  2. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  3. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1 [10/2015 - 09/2017], or Refer to PROCEDURE - Step 1 [09/2017 - ]

  4. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2 [10/2015 - 09/2017], or Refer to PROCEDURE - Step 2 [09/2017 - 05/2018], or Refer to PROCEDURE - Step 2 [05/2018 - ]

  5. DISCONNECT VENTILATION HOSE 

    Refer to PROCEDURE - Step 5

  6. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 6

  7. REMOVE INLET NO. 1 AIR CLEANER 
    GTY616056Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the bolt and inlet No. 1 air cleaner.
  8. REMOVE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Dynamic Radar Cruise Control System) 

    Refer to REMOVAL [10/2015 - 09/2017] , or Refer to REMOVAL [09/2017 - ]

  9. REMOVE HOOD LOCK RELEASE LEVER PROTECTOR 

    Refer to PROCEDURE - Step 5

  10. REMOVE HOOD LOCK ASSEMBLY 

    Refer to PROCEDURE - Step 6

  11. DISCONNECT HOOD LOCK CONTROL CABLE ASSEMBLY 
    1. Disengage the clamp and disconnect the hood lock control cable assembly from the upper radiator support.
      GTY616076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE RADIATOR RESERVE TANK ASSEMBLY 
    1. Slide the clip and disconnect the reserve tank outlet hose from the water inlet housing.
      GTY681789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Reserve Tank Outlet Hose
      *2 Radiator Reserve Tank Hose
    2. Slide the clip and disconnect the radiator reserve tank hose from the radiator assembly.
    3. Disengage the 2 claws and remove the radiator reserve tank assembly from the fan shroud assembly.
  13. DISCONNECT NO. 1 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 1 radiator hose from the radiator assembly.
      GTY673276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. DISCONNECT NO. 2 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 2 radiator hose from the radiator assembly.
      GTY616070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. DISCONNECT OIL COOLER TUBE 
    1. Slide the 2 clips and disconnect the No. 3 transmission oil cooler hose and No. 4 transmission oil cooler hose from the radiator assembly.
      GTY648941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Transmission Oil Cooler Hose
      *2 No. 4 Transmission Oil Cooler Hose
    2. Remove the 2 bolts and disconnect the oil cooler tube from the fan shroud assembly.
  16. DISCONNECT ENGINE ROOM MAIN WIRE 
    1. Disconnect the 2 cooling fan ECU connectors.
      GTY616066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 6 clamps and disconnect the engine room main wire from the upper radiator support.
  17. REMOVE UPPER RADIATOR SUPPORT 
    1. Disconnect the high pitched horn assembly connector.
      GTY616062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the low pitched horn assembly connector.
    3. Disconnect the smog ventilation sensor connector.
    4. Disengage the 5 clamps and disconnect the No. 2 engine room wire from the upper radiator support.
      GTY673273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 5 bolts and upper radiator support.
      GTY616057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. SEPARATE COOLER CONDENSER ASSEMBLY 
    1. Disengage the 2 claws.
      GTY673271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 guides and separate the cooler condenser assembly from the radiator assembly.
      NOTE:

      Do not damage the cooler condenser assembly and radiator assembly when separating the cooler condenser assembly.

  19. REMOVE ENGINE ROOM ECU OUTLET DUCT 
    GTY616067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the engine room ECU outlet duct.
  20. REMOVE RADIATOR ASSEMBLY 
    1. Remove the radiator assembly with the fan shroud assembly from the vehicle.
      NOTE:
      • Do not apply excessive force to the cooler condenser assembly or pipe when removing the radiator assembly.
      • Do not damage the radiator assembly and cooler condenser assembly when removing the radiator assembly.
    2. Disengage the 3 claws.
      GTY616068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the 3 guides and remove the fan shroud assembly from the radiator assembly.
      NOTE:

      Do not damage the radiator assembly when removing the fan shroud assembly.

  21. REMOVE RADIATOR SUPPORT CUSHION 
    1. Remove the 2 radiator support cushions from the radiator assembly.
      GTY639491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE LOWER RADIATOR SUPPORT 
    1. Remove the 2 lower radiator supports from the radiator assembly.
      GTY639498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002