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Air Conditioning Unit: Removal

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM 

    HINT:

    See REPLACEMENT  .

  2. DISCONNECT BATTERY NEGATIVE TERMINAL 
    CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the air bag working.
  3. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH  (See REMOVAL )
  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH  (See REMOVAL )
  5. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY  (See REMOVAL )
  6. REMOVE WINDSHIELD WIPER LINK ASSEMBLY  (See REMOVAL )
  7. REMOVE COWL TOP PANEL OUTER SUB-ASSEMBLY  (See REMOVAL )
  8. DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY 
    1. Install SST on the piping clamp.

      SST 09870-00025 

      HINT:

      Make sure the direction of the piping clamp and SST by seeing the illustration shown on the caution label.

    2. Push down SST and release the clamp lock.
      NOTE: Do not deform the tube when pushing the SST.
    3. Pull the SST slightly and push the release lever, and then remove the piping clamp with SST.
      Fig 1: Removing Piping Clamp With SST
      G04966028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the air conditioning tube and accessory assembly.
      NOTE:
      • Do not use tools like a screwdriver to remove the tube.
      • Cap the open fittings immediately to keep moisture or dirt out of the system.
    5. Remove the 2 O-rings from the air conditioning tube arid accessory assembly.
  9. DISCONNECT COOLER REFRIGERANT SUCTION HOSE NO.1 

    SST 09870-00015 

    Fig 2: Disconnecting Air Conditioning Tube And Accessory Assembly
    G05273340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    Disconnection of the cooler refrigerant suction hose No. 1 is the same as the air conditioning tube and accessory assembly.

  10. DISCONNECT HEATER WATER OUTLET HOSE 
    1. Using pliers, grip the claws of the clip and slide the clip, and then disconnect the heater water outlet hose.
      NOTE:
      • Do not apply any excessive force to the heater water outlet hose.
      • Prepare a drain pan or cloth for cooling water leaks.
  11. DISCONNECT HEATER WATER INLET HOSE 

    HINT:

    Disconnection of the heater water inlet hose is same as the heater water outlet hose.

    Fig 3: Display - Confirm Current Value Of LASER BEAM - Screen
    G05273341Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE INSTRUMENT PANEL ASSEMBLY 

    HINT:

    Refer to the instructions for removal of the instrument panel assembly (See REMOVAL ).

  13. REMOVE AIR CONDITIONER AMPLIFIER ASSEMBLY  (See REMOVAL  )
  14. REMOVE AIR DUCT REAR NO.2 
    1. Turn back the floor carpet.

      HINT:

      Turn back the floor carpet so that the air duct rear No. 2 can be removed.

    2. Release the claw and remove the air duct rear No. 2.
      Fig 4: Removing Air Duct Rear No.2
      G05273342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE AIR DUCT REAR NO.1 
    1. Turn back the floor carpet.

      HINT:

      Turn back the floor carpet so that the air duct rear No. 1 can be removed.

    2. Release the claw and remove the air duct rear No. 1.
      Fig 5: Removing Air Duct Rear No.1
      G05273343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE AIR DUCT NO.1 
    1. Remove the bolt.
    2. Release the 3 claws and remove the air duct No. 1.
  17. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 

    HINT:

    See REMOVAL for U151E, REMOVAL for U151F.

  18. REMOVE SHIFT LEVER 

    HINT:

    See DISASSEMBLY for U151E, DISASSEMBLY for U151F.

    Fig 6: Removing Air Duct No.1
    G05273344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE INSTRUMENT PANEL BRACKET NO.4 
    1. Remove the 4 nuts and instrument panel bracket No. 4.
      Fig 7: Locating Instrument Panel Bracket No. 4 And Nuts
      G05273345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE INSTRUMENT PANEL BRACE NO.1 SUB-ASSEMBLY 
    1. Remove the clamp and disconnect the connector.
    2. Remove the 3 bolts and 2 nuts and instrument panel brace No. 1 sub-assembly.
      Fig 8: Installing Instrument Panel Brace No.1 Sub-Assembly
      G05273346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE INSTRUMENT PANEL BRACE NO.2 SUB-ASSEMBLY 
    1. Remove the clamp and disconnect the connector.
    2. Remove the 3 bolts and 2 nuts and instrument panel brace No. 2 sub-assembly.
  22. SEPARATE STEERING INTERMEDIATE SHAFT SUB-ASSEMBLY (Manual Tilt Type)  (See REMOVAL )
  23. SEPARATE STEERING INTERMEDIATE SHAFT SUB-ASSEMBLY (Power Tilt and Power Type)  (See REMOVAL )
  24. REMOVE STEERING COLUMN ASSEMBLY (Manual Tilt Type)  (See REMOVAL )
  25. REMOVE STEERING COLUMN ASSEMBLY (Power Tilt and Power Type)  (See REMOVAL )
    Fig 9: Installing Instrument Panel Brace No.2 Sub-Assembly
    G05273347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE AIR DUCT NO.1 SUB-ASSEMBLY 
    1. Remove the 3 nuts and air duct No. 1 sub-assembly.
  27. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY 
    1. Remove the 4 bolts and 4 nuts.
      Fig 10: Removing Air Duct No.1 Sub-Assembly
      G05273348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 11: Connecting Connectors
      G05273349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clamp.
    3. Disconnect the connectors.
    4. Remove the 9 bolts and the 2 nuts and then remove the instrument panel reinforcement while holding the air conditioner unit assembly.
      Fig 12: Removing Instrument Panel Reinforcement
      G05273350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Make sure to hold the air conditioner unit assembly securely as its bracket installation parts may be damaged.

  28. REMOVE AIR CONDITIONER UNIT ASSEMBLY 
    1. Remove the 2 nuts and air conditioner unit assembly.

      HINT:

      Make sure to hold the air conditioner unit assembly securely as its bracket installation parts may be damaged.

      Fig 13: Removing Air Conditioner Unit Assembly
      G05273351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE AIR DUCT NO.2 
    1. Remove the screw.
    2. Release the 2 claws and remove the air duct No. 2.
      Fig 14: Installing Air Duct No.2
      G05273352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE WIRING AIR INDICATOR HARNESS NO.2 SUB-ASSEMBLY 
    1. Remove the 3 screws.
    2. Remove the clamp and disconnect the 2 connectors.
    3. Remove the wiring air indicator harness No. 2 sub-assembly.
      Fig 15: Installing Wiring Air Indicator Harness No.2 Sub-Assembly
      G05273353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE BLOWER ASSEMBLY 
    1. Remove the screw.
    2. Release the claw and remove the blower assembly.
      Fig 16: Installing Blower Assembly
      G05273354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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