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Home >> Lexus >> 2018 >> LS 500 Base, RWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> Coolant >> Replacement [12/2017 - ] >> Procedure

Replacement [12/2017 - ]: Procedure

  1. DISCONNECT NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  2. REMOVE OIL PAN PROTECTOR (for 2WD) 

    Refer to PROCEDURE - Step 7

  3. REMOVE ENGINE UNDER COVER BRACKET RH (for AWD) 

    Refer to PROCEDURE - Step 3

  4. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 11 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 11 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 11 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 11 [10/2023 - ]

  5. REMOVE UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 2

  6. REMOVE RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 1

  7. REMOVE LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 3

  8. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 8

  9. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 9

  10. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 3

  11. INSTALL LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 8

  12. INSTALL UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 9

  13. INSTALL RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 10

  14. INSTALL V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 192 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 192 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 193 [10/2020 - 10/2023] , or refer to PROCEDURE - Step 192 [10/2023 - ]

  15. INSTALL OIL PAN PROTECTOR (for 2WD) 

    Refer to PROCEDURE - Step 17

  16. INSTALL ENGINE UNDER COVER BRACKET RH (for AWD) 

    Refer to PROCEDURE - Step 6

  17. CONNECT NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 17