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Air Conditioning Unit: Disassembly

  1. REMOVE AIR OUTLET CONTROL SERVO MOTOR 
    1. Disconnect the connector.
    2. Remove the 3 screws and air outlet control servo motor.
    Fig 1: Identifying Screws And Air Outlet Control Servo Motor
    G04048403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE AIR MIX CONTROL SERVO MOTOR 
    1. Remove the 4 clamps and connector, and disconnect the wire harness.
      Fig 2: Identifying Wire Harness Connector
      G04048404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 screws and heater piping cover.
      Fig 3: Identifying Screws And Heater Piping Cover
      G04048405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 3 screws and air mix control servo motor.
    Fig 4: Identifying Screws And Air Mix Control Servo Motor
    G04048406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE COOLER EXPANSION VALVE 
    1. Remove the packing from the air conditioning tube assembly.
      Fig 5: Identifying Packing For Air Conditioning Tube Assembly
      G04048407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a hexagon wrench 4 mm, remove the 2 hexagon bolts and air conditioning tube assembly.
    3. Remove the 2 O-rings from the air conditioning tube assembly.
      Fig 6: Identifying O-Rings For Air Conditioning Tube Assembly
      G04048408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the cooler expansion valve from the No. 1 cooler evaporator sub-assembly.
    Fig 7: Identifying Cooler Expansion Valve
    G04048409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR CONDITIONING HARNESS ASSEMBLY 
    1. Remove the 2 connectors and 5 clamps, and then disconnect the wire harness.
    2. Remove the air conditioning harness assembly as shown in the illustration.
    Fig 8: Identifying Wire Harness Connector
    G04048410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AIR OUTLET CONTROL SERVO MOTOR 
    1. Remove the 2 screws and the air duct.
      Fig 9: Identifying Air Outlet Control Servo Motor
      G04048411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 screws and the servo motor plate.
      Fig 10: Identifying Screws And Servo Motor Plate
      G04048412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 screws.
    4. Release the claw and remove the air outlet control servo motor from the servo motor plate.
    Fig 11: Identifying Air Outlet Control Servo Motor
    G04048413Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AIR MIX CONTROL SERVO MOTOR 
    1. Remove the 2 screws.
    2. Release the claw and remove the air mix control servo motor from the servo motor plate.
    Fig 12: Identifying Air Mix Control Servo Motor And Servo Motor Plate
    G04048414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY 
    1. Remove the screw and clamp.
    2. Remove the heater radiator unit sub-assembly.
    Fig 13: Identifying Heater Radiator Unit Sub-Assembly
    G04048415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 1 COOLER EVAPORATOR SUBASSEMBLY 
    1. Remove the 5 screws.
    2. Release the 3 claws and remove the air duct.
      Fig 14: Identifying Air Duct
      G04048416Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the No. 1 cooler evaporator sub-assembly from the air duct.
    4. Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.
    Fig 15: Identifying O-Rings For No. 1 Cooler Evaporator Sub-Assembly
    G04048417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002