Air Conditioning Unit: Removal

WARNING: This page is about a different car, the 2004 Lexus IS 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: 600 +/- 50 g (21.16 +/- 1.76 oz.)
DRAIN ENGINE COOLANT FROM RADIATOR
HINT:

It is not necessary to drain out all coolant.
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 compressor oil and install them to the tubes.

Fig 1: Disconnecting Liquid Tube & Suction Hose From A/C Unit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPES
1. Grip the claws of the hose clip and slide the hose clip along the hose.
2. Disconnect the water hose.
  
  Fig 2: Disconnecting Water Hoses From Heater Radiator Pipes
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE COOLER NO. 1 GROMMET
REMOVE HEATER PIPE GROMMET
REMOVE DRAIN HOSE GROMMET
REMOVE INSTRUMENT PANEL AND REINFORCEMENT (See REMOVAL )
REMOVE BLOWER UNIT (See REMOVAL )
REMOVE 2 AIR DUCTS
1. Slide the floor carpet backward.
2. Remove the air ducts LH, RH.
  
  Fig 3: Removing Air Ducts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE A/C UNIT
1. Disconnect the connectors.
2. Disconnect the wire harness clamps.
3. Remove the 2 nuts, 2 bolt and A/C unit.
  
  Fig 4: Removing A/C Unit
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002