radiator TOYOTA LAND CRUISER 1986 Factory Repair Manual

I24787
Front Heater Unit
 Heater Radiator
 Air Mix Servomotor
 Air Outlet Servomotor Solar Sensor
Front Cooling Unit
 Expansion Valve
 Evaporator
 Evaporator Temperature Sensor Rear Heater Unit
 Blower Motor
 Power Transistor
 Heater Radiator
 Air Mix Servomotor
 Air Inlet Temperature Sensor
Room Temperature Sensor
(for Rear A/C)
Rear Cooling Unit
 Blower Motor
 Power Transister
 Evaporator
 Thermistor
 Expansion Valve with Magnetic Valve
Blower Unit
 Blower Motor
 Blower Motor Control Rela
y
 Air Inlet ServomotorA/C Amplifier
Integration Control Panel Room Temperature Sensor
(for Front A/C)
Rear A/C Control Switchw/ EMV:
w/o EMV:
A/C Control
A/C Amplifier
Cowl Side J/B LH

ACC Fuse
Cowl Side J/B RH

RR A/C AC-14
- AIR CONDITIONINGAIR CONDITIONING SYSTEM
2739 Author
: Date
:
2004 LAND CRUISER (RM1071U)

AC1IR-04
I24822
Radiator Grill
Engine Under Cover Condenser
Liquid Tube

O-Ring Upper Bracket
N´m (kgf´cm, ft´lbf): Specified torque

Non-reusable partLower Bracket
Center Bracket Discharge Hose

O-Ring
Engine Under Cover
10 (100, 7)
10 (100, 7)
22 (225, 16)

O-Ring
Discharge Hose
Center Bracket
Lower Bracket
A/T Oil Cooler
- AIR CONDITIONINGCONDENSER
AC-69
2794 Author
: Date
:
2004 LAND CRUISER (RM1071U)
COMPONENTS

AC1IS-04
I24817
I24818
AC-70
- AIR CONDITIONINGCONDENSER
2795 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
HINT:
At the time of installation, refer to the following items evacuate
air from the refrigeration system and charge system with the re-
frigerant and inspect for leaks of the refrigerant.
Specified amount: 1,050 ± 50 g (37.03 ± 1.76 oz.)
2. REMOVE RADIATOR GRILL
3. REMOVE A/T AIR COOLED OIL COOLER
(See page AT-17)
4. REMOVE ENGINE UNDER COVER
5. REMOVE DISCHARGE TUBE
(a) Remove the bolt and disconnect the tube from the con-
denser.
Torque: 5.4 N´m (55 kgf´cm, 48 in.´lbf)
(b) Loosen the nut and remove the tube.
Torque: 22 N´m (225 kgf´cm, 16 ft´lbf)
NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
HINT:
At the time of installation, lubricate 2 new O-rings with com-
pressor oil and install them on the tube.
6. DISCONNECT LIQUID TUBE
Remove the bolt and disconnect the 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, lubricate a new O-ring with compres-
sor oil and install them on the tube.

AC1KH-03
I07436
No. 1 BraceReinforcementInstrument Panel
Heater to Register No. 4 Duct
Heater to Register No. 3 Duct Heater Unit
Lower Defroster Nozzle No. 2 Brace
Heater Radiator
Air Duct (Vent)Cooling Unit
Air Mix Servomotor

Non-reusable partAir Outlet Servomotor
Air Duct (Foot)
PackingWater Hose
Heater Case
I06723 I06724
- AIR CONDITIONINGFRONT HEATER UNIT
AC-39
2764 Author
: Date
:
2004 LAND CRUISER (RM1071U)
FRONT HEATER UNIT
COMPONENTS

AC1KJ-03
I06730
I06731
I06732
I06733
I06734
- AIR CONDITIONINGFRONT HEATER UNIT
AC-41
2766 Author
: Date
:
2004 LAND CRUISER (RM1071U)
DISASSEMBLY
1. REMOVE HEATER RADIATOR
(a) Pry out the packing.
(b) Remove the screw and the bracket.
(c) Remove the screw and the clamp.
(d) Pull out the heater radiator.
2. REMOVE AIR OUTLET SERVOMOTOR
Remove the 3 screws and the air outlet servomotor.
3. REMOVE AIR MIX SERVOMOTOR
(a) Disconnect the connector.
(b) Remove the 3 screws and the air mix servomotor.
(c) Release the claw and remove the wire harness.
4. REMOVE AIR DUCT (Foot Duct)
Remove the 2 screws and air duct.
5. REMOVE AIR DUCT (Vent Duct)
(a) Disconnect the mode damper control link.
(b) Remove the 2 screws and the air duct.

AC1KK-03
AC-42
- AIR CONDITIONINGFRONT HEATER UNIT
2767 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. CHECK HEATER RADIATOR FINS FOR BLOCKAGE
If the fins are clogged, remove them with compressed air.
2. CHECK FITTING FRO CRACKS OR SCRATCHES
If necessary repair or replace.

AC1KI-04
I06727
I25894
Second Ridge
View A
UpperHose Clip
Lower
MarkingRHLH Upper
LowerMarking
View A
I06728
I06729
AC-40
- AIR CONDITIONINGFRONT HEATER UNIT
2765 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all coolant.
2. DISCONNECT WATER HOSES FROM HEATER RA-
DIATOR PIPES
(a) Using pliers, grip the claws of the hose clip and slide the
clip along the hose.
(b) Disconnect the water hoses from the heater radiator
pipes.
HINT:
At the time of installation , please refer to the following items.

Push the water hose onto the heater radiator pipe to the
second ridge on the pipe.

Install a hose clip in the position as shown in the illustra-
tion.
3. REMOVE INSTRUMENT PANEL AND REINFORCE-
MENT (See page BO-84)
4. REMOVE FRONT COOLING UNIT (See page AC-24)
5. REMOVE HEATER UNIT
(a) Remove the lower defroster nozzle.
(b) Disconnect the connector.
(c) Remove the 4 nuts and heater unit.

AC1JE-04
I25169
AC-92
- AIR CONDITIONINGPRESSURE SWITCH
2817 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
HINT:
At the time of installation, evacuate air from refrigeration system
and charge system with refrigerant and inspect for leakage of
refrigerant.
Specified amount: 1,050 ± 50 g (37.03 ± 1.76 oz.)
2. REMOVE RADIATOR GRILL
3. REMOVE PRESSURE SWITCH FROM LIQUID TUBE
Disconnect the connector and remove the pressure switch.
Torque: 10 N´m (100 kgf´cm, 7 ft´lbf)
HINT:

Lock the switch mount on the tube with an open-end
wrench, be careful not to deform the tube, and remove the
switch.

At the time of installation, lubricate a new O-ring with
compressor oil and install the switch.

I08487
Power Transistor
Air Inlet Temperature
Sensor
Cover
Fan
Heater Case
Blower Motor Heater Case Heater Radiator
O-Ring
Heater Radiator Pipe
Air Mix Servomotor

Non - reusable part
AC-46
- AIR CONDITIONINGREAR HEATER UNIT
2771 Author
: Date
:
2004 LAND CRUISER (RM1071U)

AC1KP-03
I06819
I06821
I06681
I06818
I07896
- AIR CONDITIONINGREAR HEATER UNIT
AC-49
2774 Author
: Date
:
2004 LAND CRUISER (RM1071U)
DISASSEMBLY
1. REMOVE AIR MIX SERVOMOTOR
Remove the 3 screws and the air mix servomotor.
2. REMOVE HEATER RADIATOR
(a) Remove the 3 screws and 2 clamps
(b) Pull out the heater radiator.
(c) Remove the 2 screws, 2 clamps and the heater radiator
pipes.
(d) Remove the 2 O-rings.
HINT:
At the time of reassembly, do not reuse the O-rings
3. REMOVE POWER TRANSISTOR
Remove the 2 screws and the power transistor.
4. REMOVE BLOWER MOTOR
(a) Remove the 3 screws and the cover.
(b) Remove the 4 screws, the 3 holding springs and separate
the heater cases.