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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System - Service Information (1 Of 3) >> Rear Air Conditioning Unit >> Removal [09/2023 - ] >> Procedure

Removal [09/2023 - ]: Procedure

  1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    See step  1 [09/2023 - 12/2023], or see step  1 [12/2023 - ]

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 
    1. for 1Motor-HEV Model:

      Refer to PROCEDURE - Step 7

    2. for Gasoline Model:

      Refer to PROCEDURE - Step 8

  3. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 
    1. for 1Motor-HEV Model:

      Refer to PROCEDURE - Step 8

    2. for Gasoline Model:

      Refer to PROCEDURE - Step 9

  4. REMOVE NO. 1 ENGINE UNDER COVER 
    1. for 1Motor-HEV Model:

      Refer to PROCEDURE - Step 9

    2. for Gasoline Model:

      Refer to PROCEDURE - Step 10

  5. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 5

  6. REMOVE REAR NO. 2 SEAT ASSEMBLY 

    Refer to REMOVAL [09/2023 - 12/2023] , or refer to REMOVAL [12/2023 - ]

  7. REMOVE REAR FLOOR FINISH PLATE 

    Refer to PROCEDURE - Step 33

  8. REMOVE REAR OUTER SEAT TRACK BRACKET COVER RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 11

  9. REMOVE REAR DOOR SCUFF PLATE RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 12

  10. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 9 [12/2023 - ] , or refer to PROCEDURE - Step 9 [12/2023 - ]

  11. REMOVE CENTER PILLAR LOWER GARNISH BELT HOLE COVER RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 10 [12/2023 - ] , or refer to PROCEDURE - Step 10 [12/2023 - ]

  12. DISCONNECT REAR SEAT OUTER BELT ASSEMBLY RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 11 [12/2023 - ] , or refer to PROCEDURE - Step 11 [12/2023 - ]

  13. REMOVE DECK SIDE TRIM COVER RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 36

  14. DISCONNECT REAR NO. 2 SEAT OUTER BELT ASSEMBLY RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 13 [12/2023 - ] , or refer to PROCEDURE - Step 13 [12/2023 - ]

  15. REMOVE DECK TRIM POCKET COVER 
    Use the same procedure as for the LH side.
    Refer to PROCEDURE - Step 38
  16. REMOVE NO. 1 LUGGAGE COMPARTMENT TRIM HOOK 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 39

  17. REMOVE ROPE HOOK 
    Use the same procedure as for the LH side.
    Refer to PROCEDURE - Step 40
  18. REMOVE ROPE HOOK ASSEMBLY 
    1. Use the same procedure as for the rope hook.
  19. REMOVE DECK TRIM SIDE PANEL ASSEMBLY RH 

    Refer to PROCEDURE - Step 42

  20. REMOVE REAR WINDOW SIDE GARNISH RH 
    1. Use the same procedure as for the LH side.

      Refer to PROCEDURE - Step 44

  21. REMOVE COOLER PLATE 
    1. GTY1235998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
  22. REMOVE NO. 2 ROOF SIDE AIR DUCT 
    1. GTY1238106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
  23. REMOVE REAR NO. 2 SIDE AIR DUCT 
    1. GTY1239158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. DISCONNECT NO. 2 AIR CONDITIONING ACCESSORY ASSEMBLY 
    1. GTY1232619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using pliers, grip the claws and slide the clip, and then disconnect the rear outlet heater water hose K.
        NOTE:
        • Do not apply excessive force to the rear outlet heater water hose K.
        • Prepare a drain pan or cloth in case the coolant leaks.
    2. GTY1232569Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using pliers, grip the claws and slide the clip, and then disconnect the rear inlet heater water hose G.
        NOTE:
        • Do not apply excessive force to the rear inlet heater water hose G.
        • Prepare a drain pan or cloth in case the coolant leaks.
    3. GTY1235788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the bolt.
      2. Rotate the hook connector as shown in the illustration and disconnect the cooler refrigerant suction pipe C.
      3. Remove the O-ring from the cooler refrigerant suction pipe C.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

    4. GTY1238166Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the cooler refrigerant liquid pipe C.
      2. Remove the O-ring from the cooler refrigerant liquid pipe C.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

  25. REMOVE REAR COOLING UNIT ASSEMBLY 
    1. GTY1228247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1228245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. GTY1228246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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