Air Conditioning Unit: Removal

WARNING: This page is about a different car, the 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.

DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
HINT:

At the time of installation, please refer to the following item. Evacuate air from refrigeration system.

Charge system with refrigerant and inspect for leakage of refrigerant.
1. Specified amount: 650 +/- 50 g (22.92 +/- 1.76 oz.)
DRAIN ENGINE COOLANT FROM RADIATOR
HINT:

It is not necessary to drain out all coolant.
REMOVE THESE PARTS:
1. Wiper arm
2. LH cowl top ventilator louver
3. RH cowl top ventilator louver
4. Wiper motor
  (See FRONT WIPER MOTOR & LINKAGE ASSEMBLY )
5. Hood
6. Outer FR cowl top panel assembly
7. Instrument panel and reinforcement
  (See INSTRUMENT PANEL )
Fig 1: Disconnecting Liquid Tube And Suction Hose From A/C Unit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DISCONNECT LIQUID TUBE AND SUCTION HOSE FROM A/C UNIT
Remove the bolt and slide the plate, then disconnect the both tubes.
1. Torque: 10 N.m (100 kgf.cm, 7 ft.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 compress oil and install them to the tubes.
DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPES
1. Grip the claws of the hose clip and slide the hose clip along the water hose.
2. Disconnect the water hose.
  
  Fig 2: Disconnecting Water Hoses From Heater Radiator Pipes
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  At the time of installation, please refer to the following items.
  - Push the water hose onto the heater radiator pipe as far as the grommet.
  - Install the hose clip in a position, as shown in the illustration.
  Fig 3: Instructions For Water Hose Installation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE BLOWER UNIT
1. Disconnect the connectors.
2. Remove the 3 screws and air duct.
  
  Fig 4: Removing Air Duct
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect wire harness clamp.
4. Remove the nut, 2 bolts, screw and blower unit.
  
  Fig 5: Removing Blower Unit
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE A/C UNIT
1. Release the 2 claws and remove the lower defroster nozzle and heater to resister center duct.
  
  Fig 6: Removing Lower Defroster Nozzle And Heater To Resister Center Duct
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the No.1 console box duct.
  
  Fig 7: Removing No.1 Console Box Duct
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the connector.
4. Remove the 2 nuts, 2 bolts and A/C unit.
  
  Fig 8: Removing A/C Unit
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  At the time of installation, please refer to the following item.
  
  Align the marking on the drain hose, as shown in the illustration.
  
  Fig 9: Aligning Marking On Drain Hose While Installing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002