Section 532 (Air Conditioning): Removal: Disassembly

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE WIRE HARNESS
REMOVE HEATER RADIATOR
1. Remove the screw and clamp.
2. Pull out the heater radiator.
REMOVE BLOWER MOTOR CONTROL RELAY
Remove the screw and blower motor control relay.
REMOVE AIR MIX SERVOMOTOR
Remove the 3 screws and servomotor.
REMOVE AIR OUTLET SERVOMOTOR
Remove the 2 screws and servomotor.
REMOVE EXPANSION VALVE
1. Pry out the packing.
  HINT:
  
  At the time of reassembly, please refer to the following item. Do not reuse the packing.
2. Using SST, remove the 2 bolts, then separate the expansion valve, and tube connector.
  SST 07110-61050
  
  Torque: 4.1 N.m (42 kgf.cm, 36 in.lbf)
HINT:

At the time of reassembly, please refer to the following item. Lubricate 4 new O-rings with compressor oil and install them to the valve.
REMOVE EVAPORATOR TEMPERATURE SENSOR
1. Using a screwdriver, pull out the sensor with bracket plate.
  HINT:
  
  Tape the screwdriver tip before use.
2. Release the 2 claws and sensor from bracket plate.
REMOVE EVAPORATOR
1. Remove air mix servomotor.
  1. Disconnect the connector.
  2. Remove the 3 screws and servomotor.
  Fig 2: Removing Evaporator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove tube and accessory.
  1. Pry out packing.
    HINT:
    
    At the time of installation, please refer to the following item. Do not reuse the packing.
  2. Using SST, remove the 2 bolts and the tube and accessory.
    SST 07110-61050
    
    Torque: 4.1 N.m (42 kgf.cm, 36 in.lbf)
    
    NOTE: Cap the open fittings immediately to keep moisture or dirt out of the system.
    
    HINT:
    
    At the time of installation, please refer to the following item. Lubricate 2 new O-rings with compressor oil and install them to the tube.
  3. Remove screw and drain pipe.
  Fig 3: Removing 2 Bolts And Tube And Accessory
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove evaporator.
  1. Remove the screw and drain hose.
  2. Remove the 4 screws and cover.
  3. Pull out the evaporator.
  HINT:
  
  At the time of installation, please refer to the following item. If evaporator is replaced, add compressor oil to evaporator.
  
  Add 40 cc (1.4 fl.oz.)
  
  Compressor oil: ND-OIL 8 or equivalent
REMOVE INSULATOR FROM HEATER CASE