1996 TOYOTA LAND CRUISER air condition

AC2QR−01
−
AIR CONDITIONING COOLING UNIT
AC−27
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−24 ).
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AC2QS−01
Z17942
Hose ”A”Hose ”B”
Z17943
Hose Clip
Heater
Radiator Pope Paint Mark
Water Hose Hose ”A”Upper
FR
RH Hose ”B”
RH
FR
Marking 45 ± 10° 45
°
10 °
N06494
AC−28
−
AIR CONDITIONING HEATER UNIT
1355
Author: Date:
1996 LAND CRUISER (RM451U)
HEATER UNIT
REMOVAL
1. REMOVE COOLING UNIT (See page AC−24)
2. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all the coolant.
3. DISCONNECT WATER HOSES FROM HEATER RA- DIATOR PIPES
(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:
Push the water hose onto the heater radiator pipe as far
as the ridge on the pipe.
Install the hose clip in a position, as shown in the illustra-
tion.
4. REMOVE PIPE GROMMETS
5. REMOVE INSTRUMENT PANEL SAFETY PAD (See page BO−76 )
6. REMOVE INSTRUMENT PANEL REINFORCEMENT
(See page BO−76 )
7. REMOVE HEATER UNIT
(a) Remove the 3 screws and defroster nozzle.(...~---------I I
I II II I
I II IIIv-
N02485
N18179N18181
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N06495
−
AIR CONDITIONING HEATER UNIT
AC−29
1356
Author: Date:
1996 LAND CRUISER (RM451U)
(b) Remove the 2 nuts and a screw, then remove heater unit.
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Version 1.11 - 03/16/2010

AC2QV−01
AC−30
−
AIR CONDITIONING HEATER UNIT
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−28 ).
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AC2R1−03
−
AIR CONDITIONING BLOWER UNIT
AC−31
1358
Author: Date:
1996 LAND CRUISER (RM451U)
BLOWER UNIT
REMOVAL
1. REMOVE INSTRUMENT PANEL AND REINFORCE-
MENT (See page BO−76)
2. REMOVE COOLING UNIT (See page AC−24)
3. REMOVE BLOWER UNIT
(a) Disconnect the connectors.
(b) Remove the bolt and 2 nuts, then remove the blower unit.
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AC2R4−01
AC−32
−
AIR CONDITIONING BLOWER UNIT
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−31 ).
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AC2R5−01
N06158
−
AIR CONDITIONING COMPRESSOR AND MAGNETIC CLUTCH
AC−33
1360
Author: Date:
1996 LAND CRUISER (RM451U)
COMPRESSOR AND MAGNETIC
CLUTCH
ON−VEHICLE INSPECTION
1. INSTALL MANIFOLD GAUGE SET (See page AC−18 )
2. START ENGINE
Run the engine at 1,500 rpm.
3. INSPECT COMPRESSOR FOR METALLIC SOUND
Check if there is a metallic sound from the compressor when the
A/C switch is on.
If metallic sound is heard, replace the compressor assembly.
4. INSPECT REFRIGERANT PRESSURE (See page AC−5 )
5. STOP ENGINE
6. INSPECT VISUALLY FOR LEAKAGE OF REFRIGER- ANT FROM SAFETY SEAL
Using a gas leak detector, check for leakage of refrigerant.
If there is any leakage, replace the compressor assembly.
7. REMOVE MANIFOLD GAUGE SET (See page
AC−19 )
8. MAKE THESE VISUAL CHECKS:
(a) Leakage of grease from the clutch bearing.
(b) Signs of oil on the pressure plate or rotor. Repair or replace, as necessary.
9. INSPECT MAGNETIC CLUTCH BEARING FOR NOISE
(a) Start engine.
(b) Check for abnormal noise from near the compressor when the A/C switch is OFF.
If abnormal noise is being emitted, replace the magnetic clutch.
10. INSPECT MAGNETIC CLUTCH
(a) Disconnect the connector from the magnetic clutch.
(b) Connect the positive (+) lead from the battery to the termi-
nal on the magnetic clutch connector and the negative ( −)
lead to the body ground.
(c) Check that the magnetic clutch is energized.
If operation is not as specified, replace the magnetic clutch.
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AC2R6−01
Z17949
Pressure Plate Rotor
Shim
Startor
Snap Ring Compressor
13.2
(135, 9)
Z17948
Suction Hose
Discharge Hose
Drive Belt
Compressor Compressor Bracket
O−Ring O−Ring
37 (375, 27)
N·m (kgf·cm, ft·lbf) : Specified torque
 Non− reusable part
10 (100, 7)
25 (250, 18)
37 (375, 27)
10 (100, 7)
AC−34
−
AIR CONDITIONING COMPRESSOR AND MAGNETIC CLUTCH
1996 LAND CRUISER (RM451U)
COMPONENTS
N16453 N14067
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