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

Removal [12/2021 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

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

    Refer to PROCEDURE - Step 2

  4. DRAIN COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 2

  5. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE ASSEMBLY RH 

    Refer to PROCEDURE - Step 6

  6. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE ASSEMBLY LH 

    Refer to PROCEDURE - Step 7

  7. DISCONNECT WATER BY-PASS HOSE 

    See step  9

  8. DISCONNECT WATER BY-PASS HOSE ASSEMBLY 

    See step  10

  9. DISCONNECT NO. 2 WATER BY-PASS HOSE 

    See step  11

  10. REMOVE RADIATOR RESERVE TANK ASSEMBLY 

    See step  12

  11. DISCONNECT ENGINE WIRE 
    1. GTY1042214Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE NO. 1 RADIATOR HOSE 

    See step  13

  13. DISCONNECT NO. 2 RADIATOR HOSE 

    See step  15

  14. REMOVE COOLING FAN WIRE 
    See step  19
  15. REMOVE NO. 1 AIR TUBE ASSEMBLY 

    Refer to PROCEDURE - Step 13

  16. REMOVE NO. 2 AIR TUBE ASSEMBLY 

    Refer to PROCEDURE - Step 14

  17. REMOVE NO. 1 AIR HOSE 

    Refer to PROCEDURE - Step 18

  18. REMOVE NO. 3 AIR HOSE 

    Refer to PROCEDURE - Step 4

  19. DISCONNECT NO. 4 WATER BY-PASS HOSE 
    1. GTY1042211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE WATER INLET PIPE WITH WATER BY-PASS HOSE 
    1. GTY1074421Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. DISCONNECT WATER BY-PASS HOSE 
    1. GTY1042207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. DISCONNECT NO. 5 WATER BY-PASS HOSE 
    1. GTY1042205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. DISCONNECT NO. 14 WATER BY-PASS HOSE 
    1. GTY1074406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE WATER OUTLET PIPE WITH WATER BY-PASS JOINT 
    1. GTY1042172Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE WATER INLET SUB-ASSEMBLY WITH THERMOSTAT 
    1. GTY1042169Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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