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Air Conditioning Unit: Disassembly

  1. REMOVE BLOWER ASSEMBLY 
    1. Remove the 2 screws.
    2. Disengage the fittings with the air conditioner and then remove the blower.
      Fig 1: Removing Blower Assembly
      G04475148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE DEFROSTER NOZZLE ASSEMBLY LOWER 
    1. Detach the 2 claws and remove the defroster nozzle lower.
      Fig 2: Removing Defroster Nozzle Assembly Lower
      G04475149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE AIR MIX CONTROL SERVO MOTOR 
    1. Remove the 2 screws and air mix control servo motor.
      Fig 3: Removing Air Mix Control Servo Motor
      G04475150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR OUTLET CONTROL SERVO MOTOR 
    1. Remove the 2 screws and disengage the claw.
    2. Detach the claw and remove the air outlet control servo motor.
      Fig 4: Removing Air Outlet Control Servo Motor
      G04475151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY 
    1. Remove the 2 screws and expansion valve cover.
      Fig 5: Removing Expansion Valve Cover
      G04475152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a 4 mm hexagon wrench, remove the 2 hexagon bolts.
    3. Remove the air conditioning tube.
    4. Remove the 2 O-rings from the air conditioning tube assembly.
      Fig 6: Removing Air Conditioning Tube
      G04475153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE COOLER EXPANSION VALVE 
    1. Remove the cooler expansion valve from the No. 1 cooler evaporator.
      Fig 7: Removing Cooler Expansion Valve
      G04475154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY 
    1. Detach the clamp and disconnect the evaporator temperature sensor connector.
    2. Detach the clamp and 2 claws, and remove the heater piping cover.
      Fig 8: Removing Heater Piping Cover
      G04475155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 4 screws and 4 clamps.
    4. Remove the radiator heater unit from the air conditioner radiator.
      NOTE: Prepare a drain pan or cloth for when the cooling water leaks.
      Fig 9: Removing Radiator Heater Unit From Air Conditioner Radiator
      G04475156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 1 AIR DUCT 
    1. Remove the 2 screws and No. 1 air duct.
      Fig 10: Removing No 1 Air Duct
      G04475157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE QUICK HEATER ASSEMBLY 
    1. Remove the 4 screws and quick heater.
      Fig 11: Removing Quick Heater
      G04475158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 COOLER EVAPORATOR SUBASSEMBLY 
    1. Remove the 7 screws and No. 1 cooler evaporator from the heater case.
      Fig 12: Removing No 1 Cooler Evaporator From Heater Case
      G04475159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 O-rings from the No. 1 cooler evaporator.
      Fig 13: Removing O-Rings From No 1 Cooler Evaporator
      G04475160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE EVAPORATOR TEMPERATURE SENSOR 
    1. Detach the 2 claws and remove the evaporator temperature sensor.
      Fig 14: Removing Evaporator Temperature Sensor
      G04475161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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