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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System (Service Information) >> Radiator >> Removal [08/2016 - ] >> Procedure

Removal [08/2016 - ]: Procedure

  1. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 4 [08/2016 - 12/2017] , or refer to PROCEDURE - Step 4 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 4 [08/2019 - ]

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 6 [08/2016 - 12/2017] , or refer to PROCEDURE - Step 6 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 6 [08/2019 - ]

  3. REMOVE NO. 3 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 5 [08/2016 - 12/2017] , or refer to PROCEDURE - Step 5 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 5 [08/2019 - ]

  4. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 7 [08/2016 - 12/2017] , or refer to PROCEDURE - Step 7 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 7 [08/2019 - ]

  5. DRAIN ENGINE COOLANT (for Engine) 

    See step  [10/2015 - 03/2018], or see step  [03/2018 - ]

  6. REMOVE FRONT BUMPER COVER 

    Refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]

  7. REMOVE HOOD LOCK CONTROL CABLE COVER 

    Refer to PROCEDURE - Step 3 [10/2015 - 07/2021] , or refer to PROCEDURE - Step 3 [07/2021 - ]

  8. REMOVE HOOD LOCK RELEASE LEVER PROTECTOR 

    Refer to PROCEDURE - Step 4 [10/2015 - 07/2021] , or refer to PROCEDURE - Step 4 [07/2021 - ]

  9. REMOVE HOOD LOCK ASSEMBLY 

    Refer to PROCEDURE - Step 5 [10/2015 - 07/2021] , or refer to PROCEDURE - Step 5 [07/2021 - ]

  10. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 5

  11. REMOVE NO. 3 INVERTER BRACKET 

    Refer to PROCEDURE - Step 6 [08/2016 - 12/2017] , or refer to PROCEDURE - Step 6 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 6 [08/2019 - ]

  12. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY 
    1. w/ Smog Ventilation Sensor:
      1. Disconnect the smog ventilation sensor connector.
        GTY668224Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 4 clamps and disconnect the wire harness from the upper radiator support sub-assembly.
      GTY668222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 7 bolts and upper radiator support sub-assembly.
      GTY684812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. DISCONNECT NO. 1 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 1 radiator hose.
      GTY668289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. DISCONNECT NO. 2 RADIATOR HOSE 
    1. Disengage the clamp and disconnect the No. 2 radiator hose from the fan shroud assembly.
      GTY668294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 2 radiator hose.
  15. DISCONNECT INLET NO. 1 OIL COOLER HOSE 
    1. Disengage the clamp to disconnect the inlet No. 1 oil cooler hose from the fan shroud assembly.
      GTY668293Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the inlet No. 1 oil cooler hose.
  16. DISCONNECT OUTLET NO. 1 OIL COOLER HOSE 
    1. Slide the clip and disconnect the outlet No. 1 oil cooler hose.
      GTY668292Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. DISCONNECT INLET HYBRID RADIATOR HOSE 
    1. Disengage the clamp to disconnect the inlet hybrid radiator hose from the fan shroud assembly.
      GTY668303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE RADIATOR ASSEMBLY 
    1. Disengage the 2 claws.
      GTY668300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 guides and separate the cooler condenser assembly and radiator assembly (for inverter coolant) from the radiator assembly.
      NOTE:

      Make sure not to damage the cooler condenser assembly or radiator assembly (for inverter coolant) when removing the radiator assembly.

    3. Disengage the clamp and disconnect the wire harness.
      GTY629589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the 2 cooling fan ECU connectors.
      GTY668295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disengage the 4 wire harness clamps.
    6. Remove the radiator assembly with the fan shroud assembly from the vehicle body.
      NOTE:

      Do not apply excessive force to the cooler condenser assembly or pipe when removing the radiator assembly with the fan shroud assembly.

    7. Disconnect the radiator reserve tank hose from the radiator assembly.
      GTY668302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Disengage the 3 claws.
      GTY668304Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Disengage the 3 guides to remove the fan shroud assembly from the radiator assembly.
      NOTE:

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

  19. REMOVE RADIATOR SUPPORT CUSHION 
    1. Remove the 2 radiator support cushions from the radiator assembly.
  20. REMOVE LOWER RADIATOR SUPPORT 
    1. Remove the 2 lower radiator supports from the radiator assembly.