Page 11 of 1897
AC0YE-02
I12953I12946
I12964
Auto A/C:
Ambient Temperature
Sensor
Pressure Switch
Compressor
Relay Block No. 8
No. 2 Cooling Fan Relay
No. 3 Cooling Fan RelayJunction Block No. 8
Heater Main Relay
Magnetic Clutch Relay
Condenser Fan
Condenser
Auto A/C:
Solar Sensor
A/C Control Assembly
Auto A/C:
A/C Amplifier
Manual A/C:
A/C Switch Manual A/C:
Blower Speed Control Switch
Manual A/C:
Mode Control Switch
Auto A/C:
Room Temperature Sensor
A/C Unit
Heater Radiator
Evaporator
Expansion Valve
Evaporator Temp. Sensor
Auto A/C
Air Mix Servomotor
Air Outlet Servomotor
Blower Unit
Blower Motor
Manual A/C:
Blower Resistor
Auto A/C:
Blower Motor Linear Controller
Air inlet Servomotor
Manual A/C:
Multi Display (Built
into the A/C amplifier)
AC-14
- AIR CONDITIONINGAIR CONDITIONING SYSTEM
1936 Author: Date:
2001 AVALON (RM808U)
LOCATION
Page 23 of 1897
I12952
Air DuctHeater Radiator
Unit Case LH
Evaporator
Unit Case RHExpansion Valve
Liquid and
Suction Tube
Air Outlet Servomotor
Air Vent Duct
Auto A/C:
Aspirator HoseDrain Hose
Evaporator Temp.
Sensor
5.4 (55, 48 in.´lbf)
N´m (kgf´cm, ft´lbf) : Specified torque
Non-reusable part
x 10
O-Rings
AspiratorAuto A/C:
Air Mix Servomotor
(Passenger side)
O-Rings
Auto A/C
Air Mix Servomotor
(Driver side)
Air Duct
Plate
- AIR CONDITIONINGAIR CONDITIONING UNIT
AC-27
1949 Author: Date:
2001 AVALON (RM808U)
Page 24 of 1897
AC2HX-01
I14049
I14050
AC-30
- AIR CONDITIONINGAIR CONDITIONING UNIT
1952 Author: Date:
2001 AVALON (RM808U)
DISASSEMBLY
1. REMOVE AIR VENT DUCT
2. REMOVE EVAPORATOR TEMP. SENSOR
Pull out the sensor.
3. REMOVE EXPANSION VALVE
Using a hexagon wrench, remove the 2 bolts and separate the
evaporator, expansion valve, liquid and suction tube.
Torque: 5.4 N´m (55 kgf´cm, 48 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.
4. Auto A/C only:
REMOVE BLOWER MOTOR LINEAR CONTROLLER
Remove the 2 screws and controller.
5. REMOVE BLOWER RESISTOR
Remove the 2 screws and blower resistor.
6. Auto A/C only:
REMOVE AIR MIX SERVOMOTOR (Driver side)
Remove the 3 screws and servomotor.
7. Auto A/C only:
REMOVE AIR MIX SERVOMOTOR (Passenger side)
Remove the 3 screws and servomotor.
8. REMOVE AIR OUTLET SERVOMOTOR
Remove the 3 screws and servomotor.
9. REMOVE ASPIRATOR
Remove the screw and aspirator.
10. REMOVE HEATER RADIATOR
(a) Remove the air duct.
(b) Remove the 2 screws and 2 clamps.
(c) Pull out the heater radiator.
Page 30 of 1897
AC2KB-01
I12289
I03838
SST
I03839
SST
Push
SSTPull
Release
Lever AC-28
- AIR CONDITIONINGAIR CONDITIONING UNIT
1950 Author: Date:
2001 AVALON (RM808U)
REMOVAL
1. 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 refrig-
erant.
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
2. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all coolant.
3. DISCONNECT LIQUID AND SUCTION TUBES
(a) Using SST, remove the 2 piping clamps.
SST 09870-00015 (Suction tube)
09870-00025 (Liquid tube)
(1) Insert SST to piping clamp.
HINT:
Confirm the direction of the piping clamp claw and SST using
the illustration showing on the caution label.
(2) Push down SST and release the clamp lock.
NOTICE:
Be careful not to deform the tubes, when pushing SST.
(3) Pull SST slightly and push the release lever, then re-
move the piping clamp with SST.
(4) Remove the piping clamp from SST.
(b) Disconnect the both tubes.
Page 31 of 1897
I06919
Disconnect the tube
using hand
Screw
Driver
Tube
I12290
I12291Hose Clip
Second Ridge
Water Hose
Heater Radiator
PipeUpper
Lower LHRH
LHRH45 ± 10°
I12292
- AIR CONDITIONINGAIR CONDITIONING UNIT
AC-29
1951 Author: Date:
2001 AVALON (RM808U)
NOTICE:
Do not use tools like screwdriver to remove the tube.
Cap the open fittings immediately to keep moisture or
dirt out of the system.
4. REMOVE INSTRUMENT PANEL AND REINFORCE-
MENT (See page BO-90)
5. DISCONNECT WATER HOSES FROM HEATER RA-
DIATOR PIPES
(a) Using pliers, grip the claw of the hose clip and slide the
hose clip along the hose.
(b) Disconnect the water hoses.
HINT:
At the time of installation, please refer to the following item.
Push the water hose onto the heater radiator pipe as far as se-
cond ridge on the pipe and install the hose clip.
6. REMOVE BLOWER UNIT (See page AC-37)
7. REMOVE A/C UNIT
(a) Remove the duct.
(b) Disconnect the connectors.
(c) Remove the 2 nuts and A/C unit.
Page 56 of 1897
AC28I-02
I12949I12950
I12965
N´m (kgf´cm, ft´lbf) : Specified torque
Non-reusable part
Compressor oil ND-OIL 8 or equivalent
5.4 (55, 48 in.´lbf)
5.4 (55, 48 in.´lbf)
Discharge Hose
Liquid Tube O-ringRadiator Upper SupportCondenser
Radiator Upper Support
Condenser
Dryer
Filter
Cap
12.3 (125, 9)
O-ring
AC-52
- AIR CONDITIONINGCONDENSER
1974 Author: Date:
2001 AVALON (RM808U)
COMPONENTS
Page 59 of 1897
AC2G6-01
I12299
I12300
- AIR CONDITIONINGCONDENSER
AC-53
1975 Author: Date:
2001 AVALON (RM808U)
REMOVAL
1. 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 refrig-
erant.
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
2. REMOVE RADIATOR AND CONDENSER FANS
(See page AC-46)
3. REMOVE 2 RADIATOR UPPER SUPPORTS
4. DISCONNECT DISCHARGE HOSE AND LIQUID TUBE
Remove the 2 bolts and disconnect the hose and tube.
Torque: 10 N´m (100 kgf´cm, 7 ft´lbf)
NOTICE:
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 hose.
5. REMOVE CONDENSER
(a) Remove the 2 condenser set bolts.
(b) Push the radiator toward the engine.
(c) Push the condenser toward the radiator and pull it up-
ward.
HINT:
At the time of installation, please refer to the following item.
If condenser is replaced, add compressor oil to the condenser.
Add 40 cc (1.4 fl.oz.)
Compressor oil: ND-OIL 8 or equivalent
Page 568 of 1897
CO02K-03
- COOLINGCOOLANT
CO-1
1194 Author: Date:
2001 AVALON (RM808U)
COOLANT
INSPECTION
1. CHECK ENGINE COOLANT LEVEL AT RADIATOR RESERVOIR
The engine coolant level should be between the ºLOWº and ºFULLº lines, when the engine is cold.
If low, check for leaks and add ''Toyota Long Life Coolantº or Equivalent up to the ºFULLº line.
2. CHECK ENGINE COOLANT QUALITY
(a) Remove the radiator cap from the water outlet.
CAUTION:
To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator
are still hot, as fluid and steam can be blown out under pressure.
(b) There should not be any excessive deposits of rust or scale around the radiator cap or water outlet
filler hole, and the coolant should be free from oil.
If excessively dirty, clean the coolant passages and replace the coolant.
(c) Reinstall the radiator cap.
