Air Conditioning Unit: Removal

WARNING: This page is about a different car, the 2003 Lexus LS 430. 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.

Specified Amount:
1. Single A/C: 650 +/- 50 g (22.93 +/- 1.76 oz.)
2. Dual A/C: 900 +/- 50 g (31.74 +/- 1.76 oz.)
DRAIN ENGINE COOLANT FROM RADIATOR
HINT:

It is not necessary to drain out all coolant.
REMOVE V-BANK COVER
DISCONNECT LIQUID AND SUCTION TUBES
Remove the bolts and slide the plate, then disconnect the both tubes.

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 tubes.

Fig 1: Disconnecting Liquid Tube & Suction Tubes
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 hoses.
  
  Fig 2: Disconnecting Heater Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:

At the time of installation, please refer to following items.
- Push the water hose onto the heater radiator pipe as far as second ridge on the pipe and install the hose clip.
- Install the hose clip in the position, as shown in the illustration.
Fig 3: Connecting Water Hoses
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE GROMMETS
REMOVE INSTRUMENT PANEL AND REINFORCEMENT (See INSTRUMENT PANEL AND REINFORCEMENT ).
REMOVE BLOWER UNIT (See REMOVAL ).
REMOVE FRONT SEAT (See FRONT SEAT ).
REMOVE 3 AIR DUCTS
1. Remove the 2 screws, bolt and center air duct.
2. Remove the 4 hole covers, 4 screws and 2 air ducts.
  
  Fig 4: Removing Center Air Ducts & Duct Covers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Slide the floor carpet backward.
4. Disconnect the wire harness clamp.
5. Remove the 4 nuts and air ducts.
  
  Fig 5: Removing Air Ducts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE A/C UNIT
1. Disconnect the connectors and wire harness clamps.
2. Remove the 2 nuts, bolt and A/C unit.
  
  Fig 6: Removing A/C Unit
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002