Page 137 of 1807
N08731
N08730
N08726
N08727
AC-44
- AIR CONDITIONINGCONDENSER
2192 Author: Date:
1997 SUPRA (RM502U)
6. REMOVE THESE PARTS:
(a) Front bumper (See page BO-4)
(b) Radiator support upper seal (See page AC-40)
(c) Receiver and holder (See page AC-40)
7. DISCONNECT LIQUID TUBE AND DISCHARGE
TUBES
Remove the 3 bolts and disconnect the both tubes.
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 3 new O-rings with compressor oil and install the
tubes.
8. REMOVE CONDENSER
(a) Remove the 2 radiator upper mountings.
(b) Push the radiator toward engine.
(c) Remove the condenser upper mountings.
Page 138 of 1807
N16962
N08733
- AIR CONDITIONINGCONDENSER
AC-45
2193 Author: Date:
1997 SUPRA (RM502U)
(d) Push the condenser toward radiator and remove the liq-
uid tube piping clamp.
Torque: 4.1 N´m (42 kgf´cm, 36 in.´lbf)
(e) Push the condenser toward engine and pull it upward.
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 139 of 1807

AC0QS-02
N08379
N08737
- AIR CONDITIONINGEVAPORATOR
AC-47
2195 Author: Date:
1997 SUPRA (RM502U)
EVAPORATOR
REMOVAL
1. DISCHARGE REFRIGERANT IN 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.
Specifieed amount: 700 ± 50 g (24.96 ± 1.76 oz.)
2. REMOVE ABS ACTUATOR (See page BR-70)
3. DISCONNECT LIQUID TUBE AND SUCTION TUBE
FROM A/C UNIT
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 the
tubes.
4. REMOVE THESE PARTS:
(a) Glove compartment parts
(b) Heater to register No.4 duct
(c) Front door scuff plate RH
(d) Floor carpet
5. REMOVE ECM
(a) Slide the floor carpet backward.
(b) Remove the 2 nuts and the ECM cover.
(c) Disconnect the connector.
(d) Remove the 2 nuts and the ECM.
Page 140 of 1807
N08735
AC-48
- AIR CONDITIONINGEVAPORATOR
2196 Author: Date:
1997 SUPRA (RM502U)
6. REMOVE EVAPORATOR
(a) Remove the 6 screws and the lower cover.
(b) Remove the 4 screws and the evaporator cover.
(c) Remove the evaporator.
HINT:
At the time of the installation, please refer to the following item.
If evaporator is replaced, add compressor oil to evaporator.
Add 40 cc (1.4 fl.oz.)
Compresser oil: ND-OIL 8 or equivalent
Page 141 of 1807
AC0QV-01
N08400
N08401
N08402
I03526
- AIR CONDITIONINGHEATER RADIATOR
AC-51
2199 Author: Date:
1997 SUPRA (RM502U)
HEATER RADIATOR
REMOVAL
1. REMOVE AIR CONDITIONING UNIT
(See page AC-25)
2. REMOVE HEATER RADIATOR AND WATER VALVE
(a) Remove the 2 screws and the plate.
(b) Remove the 2 screws and the clamp.
(c) Remove the 3 screws.
(d) Pull out the heator with the water valve.
(e) Remove the 2 screws and water valve from the heater ra-
diator.
Page 142 of 1807
AC0QY-01
AC-54
- AIR CONDITIONINGEXPANSION VALVE
2202 Author: Date:
1997 SUPRA (RM502U)
EXPANSION VALVE
ON-VEHICLE INSPECTION
1. CHECK QUANTITY OF GAS DURING REFRIGERATION CYCLE
2. SET ON MANIFOLD GAUGE SET
(See page AC-18)
3. RUN ENGINE
(a) Run the engine at 1,500 rpm for at least 5 minutes.
(b) Then check that the high pressure reading is 1.37 - 1.57 MPa (14 - 16 kgf/cm
2, 199 - 228 psi).
4. CHECK EXPANSION VALVE
If the expansion valve is faulty, the low pressure reading will drop to 0 kPa (0 kgf/cm
2, 0 psi).
HINT:
When the low pressure drops to 0 kPa (0 kgf/cm
2, 0 psi), check the receiver's IN and OUT sides for no tem-
perature difference.
Page 143 of 1807
AC0QZ-01
N08398
Expansion valve
- AIR CONDITIONINGEXPANSION VALVE
AC-55
2203 Author: Date:
1997 SUPRA (RM502U)
REMOVAL
1. REMOVE EVAPORATOR
(See page AC-47)
2. REMOVE EXPANSION VALVE
Using a hexagon wrench, remove the 2 bolts and separate the
evaporator and expansion valve.
Torque: 5.4 N´m (55 kgf´cm, 48 in.´lbf)
HINT:
At the time of installation, please refer to the following item.
Lubricate 4 new O-rings with compressor oil and install the
tubes.
Page 144 of 1807
AC0R1-01
N19660
- AIR CONDITIONINGWATER VALVE
AC-57
2205 Author: Date:
1997 SUPRA (RM502U)
WATER VALVE
REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not to drain out all coolant.
2. REMOVE INSTRUMENT PANEL
(See page BO-54)
3. REMOVE AIR MIX SERVOMOTOR
(See page AC-65)
4. REMOVE WATER VALVE
Remove the 5 screws and water valve.