Page 89 of 1399
AC3JM−01
AC−46
−
AIR CONDITIONING HEATER RADIATOR
1373
Author: Date:
1996 LAND CRUISER (RM451U)
HEATER RADIATOR
INSPECTION
1. REMOVE HEATER UNIT (See page AC−28 )
2. REMOVE HEATER RADIATOR
(a) Remove the screws and plates.
(b) Pull the heater radiator out.
3. INSPECT FINS FOR BLOCKAGE
If the fins are clogged, clean them with compressed air.
4. INSTALL HEATER RADIATOR
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Page 90 of 1399
AC2RR−01
−
AIR CONDITIONING EXPANSION VALVE
AC−47
1374
Author: Date:
1996 LAND CRUISER (RM451U)
EXPANSION VALVE
ON−VEHICLE INSPECTION
1. CHECK QUANTITY OF GAS DURING REFRIGERATION CYCLE
2. INSTALL MANIFOLD GAUGE SET
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), feel the receiver’s IN and OUT sides for zero temper-
ature difference.
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Page 91 of 1399

AC2RU−01
Z17944
Hose ”A”
Hose ”B”
Z19353
Hose Clip
Heater
Radiator
Pipe Paint
Water Hose Upper Upper
Fr RH
Marking Hose ”A”
Hose ”B”
45°
AC−48
−
AIR CONDITIONING WATER VALVE
1375
Author: Date:
1996 LAND CRUISER (RM451U)
WATER VALVE
REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all the coolant.
2. DISCONNECT WATER VALVE CONTROL CABLE
3. DISCONNECT WATER HOSES FROM HEATER RA-
DIATOR PIPE AND WATER VALVE
(a) Grip the claws of the hose clip with pliers and slide the clip
along the hose to a place where it does not clamp the
hose to the pipe.
(b) Disconnect the water hoses.
HINT:
ATt the time of installation, refer to the following procedure.
Push the water hose onto the heater radiator pipe as far
as ridge on the pipe.
Install the hose clip in a position, as shown in the illustra-
tion.
4. REMOVE WIRE HARNESS PROTECTOR
5. REMOVE WATER VALVE
Remove the 2 bolts and water valve.
N02485N18180N18181
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AC2RW−01
N14296
−
AIR CONDITIONING WATER VALVE
AC−49
1996 LAND CRUISER (RM451U)
ADJUSTMENT
ADJUST WATER VALVE CONTROL CABLE
(a) Set the vehicle in these conditions.
Ignition switch on.
Blower speed control switch on.
Temperature control switch to ”COOL” position.
(b) Set the water valve to ”COOL” position, install the control
cable and lock the clamp.
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AC2RV−01
AC−50
−
AIR CONDITIONING WATER VALVE
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−48 ).
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Page 94 of 1399
AC3JN−01
−
AIR CONDITIONING FRONT BLOWER MOTOR
AC−51
1378
Author: Date:
1996 LAND CRUISER (RM451U)
FRONT BLOWER MOTOR
REMOVAL
1. REMOVE RH SCUFF PLATE
2. REMOVE BLOWER MOTOR
(a) Disconnect the link from the lower cover.
(b) Remove the 2 screws, then remove the lower cover while
pushing the locking protrsion, as shown.
(c) Disconnect the connector from the blower motor.
(d) Remove the 3 screws and blower motor.
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AC2RY−01
AC2227
AC−52
−
AIR CONDITIONING FRONT BLOWER MOTOR
1996 LAND CRUISER (RM451U)
INSPECTION
INSPECT BLOWER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 2 and
the negative (− ) lead to terminal 1, then check that the motor op-
eration is smooth.
If operation is not as specified, replace the blower motor.
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AC2RZ−01
−
AIR CONDITIONING FRONT BLOWER MOTOR
AC−53
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−51 ).
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