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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Hybrid Battery Control System - Service Information (1 Of 5) >> COOLANT (for Inverter) >> Replacement [10/2017 - 10/2023] >> Procedure

Replacement [10/2017 - 10/2023]: Procedure

  1. AIR SUSPENSION CONTROL PROHIBITED (w/ Air Suspension) 

    Refer to PRECAUTION [10/2017 - ]

  2. REMOVE UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 2 [10/2017 - 10/2020] , or refer to PROCEDURE - Step 2 [10/2020 - 10/2023]

  3. REMOVE RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 3 [10/2017 - 10/2020] , or refer to PROCEDURE - Step 3 [10/2020 - 10/2023]

  4. REMOVE LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 4 [10/2017 - 10/2020] , or refer to PROCEDURE - Step 4 [10/2020 - 10/2023]

  5. REMOVE OIL PAN PROTECTOR 
  6. DRAIN COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 6

  7. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 7

  8. INSPECT FOR COOLANT LEAK (for Inverter) 

    See step  1

  9. INSTALL OIL PAN PROTECTOR 
  10. INSTALL LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 43

  11. INSTALL RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 45

  12. INSTALL UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 44