TOYOTA SUPRA 1995 Service Owners Manual

RECEIVER
ON±VEHICLE INSPECTION
1. OPEN THE HOOD
2. INSPECT SIGHT GLASS AND FITTING FOR LEAKAGE
Using a gas leak tester, check for leakage, check for leakage.
If there is leakage, check the tightening torque at the joints.
RECEIVER REMOVAL
1. OPEN THE HOOD
2. DISCHARGE REFRIGERANT IN REFRIGERATION
SYSTEM
INSTALLATION HINT: Evacuate air from refrigeration sys-
tem.
Charge system with refrigerant and inspect for leakage of re-
frigerant.
Specified amount:
700 +50 g (24.96 +1.76 oz.)
3. REMOVE FRONT BUMPER
(See page BO±8)
4. REMOVE RADIATOR SUPPORT UPPER SEAL
Remove the 12 clips and radiator support upper seal.
5. REMOVE LIQUID TUBES FROM RECEIVER
Remove the 2 bolts and both tubes from the receiver.
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf
INSTALLATION HINT: Lubricate the new O±rings with com-
pressor oil and install the tubes.
6. REMOVE RECEIVER
Remove the holder bolt and pull the receiver upward from the
receiver holder.
REMOVAL NOTICE: Cap the open fitting immediately to
keep moisture out of system.
INSTALLATION HINT: If receiver was replaced, add com-
pressor oil to the compressor.
Add 10 cc (2.9 fl.oz.)
Compressor oil:
ND±OIL 8 or equivalent
RECEIVER INSTALLATION
Installation is in the reverse order of removal.
± AIR CONDITIONING SYSTEMRECEIVERAC±91

CONDENSER
ON±VEHICLE INSPECTION
1. INSPECT CONDENSER FINS FOR BLOCKAGE OR
DAMAGE
If fins are clogged, wash them with water and dry with com-
pressed air.
NOTICE: Be careful not to damage the fins.
If fins are bent, straighten them with a screwdriver or pliers.
2. INSPECT CONDENSER AND FITTING FOR LEAKAGE
Using a gas leak tester, check for leakage.
If there is leakage, check the tightening torque at the joints.
CONDENSER REMOVAL
1. DISCHARGE REFRIGERANT IN REFRIGERATION
SYSTEM
INSTALLATION HINT: Evacuate air from refrigeration sys-
tem.
Charge system with refrigerant and inspect for leakage of re-
frigerant.
Specified amount:
700 +50g (24.96 +1.76 oz.)
2. REMOVE BATTERY
3. REMOVE AIR CLEANER DUCT
Remove the bolt and the air cleaner duct.
4. REMOVE AIR CLEANER
(a) Remove the air cleaner cover.
(b) Remove the air cleaner hose.
(c) 2JZ±GTE:
Remove the No. 1 air hose.
(d) Remove the 3 bolts and 2 screws.
(e) Remove the air cleaner.
5. REMOVE NO.5 AIR HOSE CLAMP (2JZ±GTE)
(a) Remove the 2 bolts and clamp.
(b) Push the hose to engine side.
6. REMOVE FRONT BUMPER
(See page BO±88)
7. REMOVE RADIATOR SUPPORT UPPER SEAL
(See page AC±91)
8. REMOVE RECEIVER
(See page AC±91) AC±92
± AIR CONDITIONING SYSTEMCONDENSER

9. REMOVE LIQUID TUBE AND DISCHARGE TUBE
Torque: 10 NVm (100 kgfVcm, 7 ftVlbf)
REMOVAL NOTICE: Cap the open fittings immediately to
keep moisture out of the system.
INSTALLATION HINT: Lubricate the new O±rings with com-
pressor oil and install the tubes.
10. REMOVE CONDENSER
(a) Remove the radiator upper mounting.
(b) Push the radiator to engine side.
(c) Remove the condenser upper mounting.
(d) Push the condenser to engine side and remove the liquid
tube piping clamp.
Torque: 4.1 NVm (42 kgfVcm, 36 in.Vlbf)
± AIR CONDITIONING SYSTEMCONDENSERAC±93

(e) Push the condenser to engine side and pull it upward.
INSTALLATION HINT: If condenser was replaced, add com-
pressor oil to the compressor.
Add 40 cc (1.4 fl.oz.)
Compressor oil:
ND±OIL 8 or equivalent
CONDENSER INSTALLATION
Installation is in the reverse order of removal. AC±94
± AIR CONDITIONING SYSTEMCONDENSER

EVAPORATOR
EVAPORATOR REMOVAL
1. DISCHARGE REFRIGERANT IN REFRIGERATION
SYSTEM
INSTALLATION HINT: Evacuate air from refrigeration sys-
tem.
Charge system with refrigerant and inspect for leakage of re-
frigerant.
2. REMOVE ABS ACTUATOR (w/ABS)
(See page BR±44)
3. REMOVE LIQUID TUBE AND SUCTION TUBE FROM A/C
UNIT
Torque: 10 NVm (100 kgfVcm, 7 ftVlbf)
INSTALLATION HINT: Lubricate the new O±rings with com-
pressor oil and install the tubes.
4. REMOVE GROVE BOX AND SIDE AIR DUCT
(a) Remove the glove box.
(See page BO±45)
(b) Remove the 5 screws and the brace.
(c) Remove the side air duct.
5. REMOVE SCUFF PLATE
(See page BO±44)
6. REMOVE FLOOR CARPET
7. REMOVE ECM
(a) Remove the 2 nuts and the ECM cover.
(b) Remove the 2 nuts and the ECM.
8. REMOVE EVAPORATOR
(a) Remove the 6 screws and the lower cover.
(b) Remove the 4 screws and the evaporator cover.
(c) Remove the evaporator.
INSTALLATION HINT: If evaporator was replaced, add com-
pressor oil to the compressor.
Add 40 cc (1.4 fl.oz.)
Compressor oil
ND±OIL 8 or equivalent
± AIR CONDITIONING SYSTEMEVAPORATORAC±95

EVAPORATOR INSPECTION
1. INSPECT FINS FOR BLOCKAGE
If the fins are clogged, clean them with compressed air.
NOTICE: Never use water to clean the evaporator.
2. INSPECT FITTING FOR CRACKS OR SCRATCHES
Repair as necessary.
EVAPORATOR INSTALLATION
Installation is in the reverse order of removal.
HEATER RADIATOR
HEATER RADIATOR REMOVAL AND
INSTALLATION
(See page AC±82)
HEATER RADIATOR INSPECTION
INSPECT FINS FOR BLOCKAGE
If the fins are clogged, clean them with compressed air. AC±96
± AIR CONDITIONING SYSTEMHEATER RADIATOR

WATER VALVE
WATER VALVE REMOVAL
1. REMOVE HEATER RADIATOR
(See page AC±82)
2. REMOVE WATER VALVE
(a) Remove the 2 screws.
(b) Remove the water valve from heater radiator.
WATER VALVE INSTALLATION
1. INSTALL WATER VALVE
(a) Install the water valve to heater radiator.
(b) Install the 2 screws.
2. INSTALL HEATER RADIATOR
± AIR CONDITIONING SYSTEMWATER VALVEAC±97

EXPANSION VALVE
ON±VEHICLE INSPECTION
1. CHECK QUANTITY OF GAS DURING REFRIGERATION
CYCLE
2. INSTALL MANIFOLD GAUGE SET
3. RUN ENGINE
Run the engine at 1,500 rpm for at least 5 minutes. Then
check that the high pressure reading is 1.371.57 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), feel the receiver's IN and OUT sides for zero tempera-
ture difference.
EXPANSION VALVE REMOVAL
1. REMOVE EVAPORATOR
(See page AC±82)
2. REMOVE EXPANSION VALVE
Using a hexagon wrench, remove the 2 bolts and separate
the evaporator and expansion valve.
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
INSTALLATION HINT: Lubricate the new O±ring with com-
pressor oil and install the tubes.
EXPANSION VALVE INSTALLATION
Installation is in the reverse order of removal. AC±98
± AIR CONDITIONING SYSTEMEXPANSION VALVE

BLOWER MOTOR
BLOWER MOTOR REMOVAL
1. REMOVE GLOVE BOX AND SIDE AIR DUCT
(a) Remove the glove box.
(See page BO±45)
(b) Remove the 5 bolts and the brace.
(c) Remove the side air duct.
2. REMOVE SCUFF PLATE
(See page BO±44)
3. REMOVE FLOOR CARPET
4. REMOVE ECM COVER
Remove the 2 nuts and the ECM cover.
5. REMOVE BLOWER MOTOR
(a) Disconnect the connector.
(b) Remove the 3 screws and the blower motor.
BLOWER MOTOR INSPECTION
(See page AC±61)
BLOWER MOTOR INSTALLATION
Installation is in the reverse order of removal.
± AIR CONDITIONING SYSTEMBLOWER MOTORAC±99

BLOWER MOTOR CONTROL RELAY
BLOWER MOTOR CONTROL RELAY
REMOVAL
1. REMOVE BLOWER MOTOR
(See page AC±82)
2. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connector.
(b) Remove the 3 screws and the blower motor control relay.
BLOWER MOTOR CONTROL RELAY
INSPECTION
(See page AC±61)
BLOWER MOTOR CONTROL RELAY
INSTALLATION
Installation is in the reverse order of removal. AC±100
± AIR CONDITIONING SYSTEMBLOWER MOTOR CONTROL RELAY