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Home >> Lexus >> 2019 >> RX 350L FWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> Thermostat >> Removal [08/2019 - ] >> Procedure

Removal [08/2019 - ]: Procedure

  1. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [09/2015 - ]

  2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  3. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 13

  4. REMOVE ECM 

    Refer to REMOVAL [08/2019 - ]

  5. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to REMOVAL [08/2019 - ]

  6. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 2

  7. REMOVE BATTERY 

    for 2WD: Refer to PROCEDURE - Step 6

    for AWD:

  8. REMOVE BATTERY CARRIER SUB-ASSEMBLY 

    for 2WD: Refer to PROCEDURE - Step 9

    for AWD: Refer to PROCEDURE - Step 9

  9. REMOVE BATTERY BRACKET REINFORCEMENT 

    for 2WD: Refer to PROCEDURE - Step 10

    for AWD: Refer to PROCEDURE - Step 10

  10. REMOVE FUEL PUMP PROTECTOR 

    Refer to PROCEDURE - Step 6

  11. REMOVE WIRE HARNESS CLAMP BRACKET 

    for 2WD: Refer to PROCEDURE - Step 32

    for AWD: Refer to PROCEDURE - Step 33

  12. REMOVE BRAKE ACTUATOR ASSEMBLY 

    Refer to REMOVAL [08/2019 - ]

  13. DISCONNECT NO. 1 RADIATOR HOSE 

    See step  15

  14. INSTALL ENGINE SUPPORT BRIDGE 

    for 2WD: Refer to PROCEDURE - Step 35

    for AWD: Refer to PROCEDURE - Step 36

  15. REMOVE NO. 2 ENGINE MOUNTING STAY RH 

    Refer to PROCEDURE - Step 13

  16. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 
    1. Remove the bolt and separate the cooler bracket from the engine mounting insulator sub-assembly RH.
    2. Remove the 2 bolts and 2 nuts and separate the engine mounting insulator sub-assembly RH from the front No. 1 engine mounting bracket LH.
      GTY667688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 bolts, nut and engine mounting insulator sub-assembly RH.
      GTY667687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE ENGINE MOUNTING SPACER 
    GTY667685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 bolts and engine mounting spacer.
  18. DISCONNECT ENGINE WIRE 
    1. Disconnect the water inlet with thermostat sub-assembly connector.
      GTY684681Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt to disconnect the engine wire.
  19. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET LH 

    Refer to PROCEDURE - Step 7

  20. DISCONNECT NO. 2 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 2 radiator hose.
      GTY684682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. DISCONNECT WATER BY-PASS HOSE 
    1. Slide the clip and disconnect the water by-pass hose.
      GTY667700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. Remove the 2 bolts, 2 nuts and water inlet with thermostat sub-assembly.
      GTY684911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the gasket from the water inlet with thermostat sub-assembly.
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