heater SSANGYONG KORANDO 1997 Service Owner's Manual

HEATING AND VENTILATION SYSTEM 7A-19
SSANGYONG MY2002
CONTROL ASSEMBLY KNOB
LIGHTING
Removal and installation Procedure
1. Disconnect the negative battery cable.
2. Remove the heating and ventilation control (HVC)
controller assembly. Refer to “Controller Assembly
and Temperature Control Cable” in this section.
3. Remove the connector cover by sliding away.
4. Remove the connector from the temperature control
cable control mechanism.
5. Separate the temperature control cable control
mechanism.
6. Turn the bulb holder to the left and pull out the
bulb.
7. Installation should follow the removal procedure
in the reverse order.
KAA7A040
KAA7A050
KAA7A060
AIR INTAKE DOOR ACTUATOR
Removal and Installation Procedure
1. Disconnect the negative battery cable.
2. Remove the glove box. Refer to Section 9E, Instru-
mentation/Driver Information.
3. Disconnect the connector to intake air control door
actuator.
4. Remove three screws that securing mode control
door actuator to heater/air distributor case.
5. Remove the mode control door actuator by gently
snapping the actuator.
6. Installation should follow the removal procedure
in the reverse order.

SSANGYONG MY2002
7A-20 HEATING AND VENTILATION SYSTEM
MODE CONTROL DOOR
ACTUATOR
Removal and installation Procedure
1. Disconnect the negative battery cable.
2. Remove the driver knee bolster. Refer to Section
9E, Instrumentation/Driver Information.
3. Disconnect the connector to mode control door ac-
tuator.
4. Remove three sxrews that securing mode control
door actuator to heater/air distributor case.
5. Remove the mode control door actuator by gently
snapping the actuator.
6. Installation should follow the removal procedure
in the reverse order.
Tightening Torque 5 Nm (44 lb-in)
KAA7A070
KAA7A080
HEATER/AIR DISTRIBUTOR CASE
ASSEMBLY
Removal and installation Procedure
1 .Disconnect the negative battery cable.
2. Drain the cooling system. Refer to Section 1D, En-
gine Cooling.
3. Remove the inlet and outlet heater hoses from the
firewall.
4. Remove the instrument panel carrier assembly.
Refer to Section 9E, Instrumentation/Driver
Information.
5. Remove upper four bolts and lower two bolts on I/
P centers bracket.
Installation Notice
6. Remove the I/P center bracket.
7. Remove one screw and the joint duct for heater/
air distributor-to-rear heater duct.

HEATING AND VENTILATION SYSTEM 7A-21
SSANGYONG MY2002
8. Remove one bolt, one nut and two screws that se-
curing the heater/air distributor case-to-blower unit
duct.
9. Remove the heater/air distributor case-to-blower
unit duct.
KAA7A090
KAA7A100
KAA7A110
KAA7A120
10. Remove two bolts and the heater/air distributor
case-to-defroster duct.
Installation Notice
11. Remove electrical connector to the mode control
actuator.
12. Remove one bolt and two nuts that securing heater/
air distributor case.
Installation Notice
13. Remove the heater/air distributor case.
14. Installation should follow the removal procedure
in the reverse order.
Tightening TorqueBolt 5 Nm (44 lb-it)
Nut 5 Nm (44 lb-it)
BLOWER MOTOR
Removal and Installation Procedures
1. Disconnect the negative battery cable.
2. Remove the glove box. Refer to Section 9E, Instru-
mentation/Driver Information.
3. Disconnect the blower motor electrical connector.
4. Remove the blower motor cooling hose.
5. Remove the screws that secure the motor to the
heater/air distributor case.
6. Remove the blower motor from the blower unit by
gently pulling the motor straight down and out.
Tightening Torque 5 Nm (44 lb-in)

SSANGYONG MY2002
7A-22 HEATING AND VENTILATION SYSTEM
7. Installation should follow the removal procedure
in the reverse order.
Installation Notice: After install the blower motor
confirm that the blower motor operates properly.
KAA7A130
KAA7A140
BLOWER RESISTOR
Removal and Installation Procedures
1. Disconnect the negative battery cable.
2. Remove the glove box. Refer to Section 9E, Instru-
mentation/Driver Information.
3. Disconnect the electrical connector at the resistor.
4. Remove two screws from the resistor.
5. Remove the resistor from the heater/air distributor
case by gently pulling the resistor.
6. Installation should follow the removal procedure
in the reverse order.
BLOWER UNIT
Removal and Installation Procedures
1. Disconnect the negative battery cable.
2. Remove the instrument panel carrier assembly.
Refer to Section 9E, Instrumentation/Driver
Information.
3. Remove one nut, one bolt and two screws that
securing the heater/air distributor case-to-blower
unit duct.
4. Remove the heater/air distributor case-to-blower
unit duct.
5. Disconnect the connector for air intake door
actuator and the connector for blower motor.
6. Remove three nuts that securing the blower unit.
Installation Notice
7. Remove the blower unit.
8. Installation should follow the removal procedure
in the reverse order.
Tightening Torque 5 Nm (44 lb-it)

HEATING AND VENTILATION SYSTEM 7A-23
SSANGYONG MY2002
HEATER INLET HOSE
Removal and Installation Procedures
1. Partially drain the cooling system. Refer to Section
1D, Engine Cooling.
2. Remove the clip and slide rearward the inlet heater
hose clamp at the firewall.
3. Gently twist the hose from the left to right and
back again to loosen the bond between the hose
and the tube.
4. Remove the end of the hose from the tube.
KAA7A150
KAA7A160
KAA7A170
KAA7A180
5. Remove the clip and slide rearward the inlet heater
hose at the engine block.
6. Remove the inlet heater hose from the vehicle.
7. Installation should follow the removal procedure
in the reverse order.
HEATER OUTLET HOSE
Removal and Installation Procedures
1. Partially drain the cooling system. Refer to Section
1D, Engine Cooling.
2. Remove the clip and slide rearward the outlet
heater hose clamp at the firewall.
3. Gently twist the hose from the left to right and
back again to loosen the bond between the hose
and the tube.
4. Remove the end of the hose from the tube.
5. Remove the intake manifolds. Refer to Section 1C,
DOHC Engine Mechanical.
6. Remove the clip and slide rearward the outlet
heater hose at the thermostat housing.
7. Remove the outlet heater hose from the vehicle.
8. Installation should follow the removal procedure
in the reverse order.

SSANGYONG MY2002
7A-24 HEATING AND VENTILATION SYSTEM
HEATER CORE
Removal and Installation Procedures
1. Disconnect the negative battery cable.
2. Remove the heater/air distribution case from the
vehicle. Refer to “Heater/Air Distribution Case
Assembly” in this section.
3. Remove the plastic holder and two screws that
secure the heater core to heater/air distributor case
assembly.
4. Slowly separate the heater/air distributor case as-
sembly and remove the heater core.
5. Installation should follow the removal procedure
in the reverse order.
REAR HEATER DUCT
This vehicle is equipped with rear seat heater ducts.
Should there be no airflow to the rear, look for any ob-
structions, such as items on the floor under the front
seats. Also check for air leaks between the heater/air
distributor assembly and the rear ducts.
KAA7A190
KAA7D130
KAA7D140
AIR FILTER
Removal and Installation Procedures
Notice: Replace earlier if air pollution is heavy.
1. Open the glove box and pull it inward to release
the upper left and right locking portion.
Notice: Remove the glove box by unscrewing
lower 2 screws, if necessary.
2. Press the 2 filter cover holds and remove the air
filter cover.
3. Remove the 2 air filters.
Notice: For installation, remember the installed
direction of the air filter before removal.
Replacement Interval Every 10,000 km

HEATING AND VENTILATION SYSTEM 7A-25
SSANGYONG MY2002
SPECIFICATIONS
HEATER TERMERATURE SPECIFICATION
Nm
5
5
5
5Lb-Ft
-
-
-
- Heater/Air Distributor Case Retaining Bolt
Heater/Air Distributor Case-to-Blower Unit Connecting
Duct Nut
Heater/Air Distributor Case-to-Defroster Connecting
Duct Retaining Bolts
I/P Center Bracket BoltsLb-In
44
44
44
44Application
Heater Outlet Air Temperature
54 °C (129 °F)
59 °C (138 °F)
64 °C (147 °F)
68 °C (154 °F) -18 °C (0 °F)
-4 °C (25°F)
10 °C (50 °F)
24 °C (75 °F)Ambient Air Temperature
FASTENER TIGHTENING SPECIFICATIONS
HEATER UNIT
Description
54 °C (129 °F)
59 °C (138 °F)
64 °C (147 °F)
68 °C (154 °F) -18 °C (0 °F)
-4 °C (25°F)
10 °C (50 °F)
24 °C (75 °F)Application

SECTION 7C
MANUAL CONTROL / SEMIAUTO
TEMPERATURE CONTROL HEATING,
VENTILATION AND AIR CONDITIONING
SYSTEM
CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when
a tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this
cable will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK
unless other-wise noted.
TABLE OF CONTENTS
Specifications.......................................................7C-2
Refrigerant..........................................................7C-2
Evaporator Unit....................................................7C-2
Blower Unit..........................................................7C-2
Compressor.........................................................7C-2
Condenser...........................................................7C-2
Receiver Drier......................................................7C-2
Pressure Switch...................................................7C-3
Air Filter...............................................................7C-3
Heater Unit..........................................................7C-3
Fastener Tightening Specifications.......................7C-3
Diagnosis..............................................................7C-4
Defectives in Fan Motor Circuit.............................7C-5
Defectives in Compressor Circuit.........................7C-6
Diagnosis Using the Manifold Gauge...................7C-7Component Locator.............................................7C-9
Ventilation............................................................7C-9
Heater System ................................................... 7C-11
Air Conditioner System...................................... 7C-12
Diesel Engine .................................................... 7C-12
Gasoline Engine................................................ 7C-13
Maintenance and Repair................................... 7C-14
Refrigerant Charging .......................................... 7C-14
Compressor Oil Replacement............................ 7C-18
Repair Instructions.............................................. 7C-19
On-Vehicle Service............................................... 7C-19
Condener.......................................................... 7C-19
Receiver Drier.................................................... 7C-21
Air - Conditioner Compressor............................. 7C-23
Heater and Air Conditioner Control Box.............. 7C-24
Air Filter............................................................. 7C-25

MANUAL & SEMIAUTO-HVAC 7C-3
SSANGYONG MY2002
PRESSURE SWITCH
Type
High (OFF)
Low (ON)ApplicationDescriptionDirect
OFF : 32 ± 2 Kgf/cm
2, DIFF : 6 ± 2 Kgf/cm2
OFF : 2.0 ± 0.2 Kgf/cm2, ON : 2.1 ± 0.2 Kgf/cm2
AIR FILTER
ReplacementApplicationDescriptionEvery 12,000 km (replace earlier if air pollution is heavy)
HEATER UNIT
Heater Core Type
Heating Capacity
Heater Core Size (L x W x T)ApplicationDescription2-ROW
4,600 Kcal/h (AT 300 CMH)
219.5 x 151.8 x 52
FASTENER TIGHTENING SPECIFICATIONS
N•m
4 - 6
4 - 6
4 - 6
5 - 8
4 - 6
20 - 30
20 - 26Lb-Ft
2.9 - 4.4
2.9 - 4.4
2.9 - 4.4
3.7 - 5.9
2.9 - 4.4
14.7 - 22.1
14.7 - 19.1 Condenser Bolt
Condenser Fan Nut
Condenser Bolt
Receiver Drier Pipe Bolt
Receiver Drier Pipe Bolt (Condenser)
Pressure Pipe Bolt
Pressure Mounting BoltLb-In
35.4 - 53.1
35.4 - 53.1
35.4 - 53.1
44.2 - 70.8
35.4 - 53.1
177.0 - 265.5
177.0 - 230.1Application

SSANGYONG MY2002
7C-4 MANUAL & SEMIAUTO-HVAC
DIAGNOSIS
Insufficient
cooling
 Check blowing outlet
Normal outlet
 Check outlet temperature
 Check fan motor operation
Motor operates
with poor outletFan motor does
not operate
 Blown fuse
 Check for motor control circuit
Poor outlet or no
outlet
Intake grille is
cloggedFrosted evaporatorHigh temperatureNormal temperature
 Check the case
 Check heater Check
compressor
operation Warmeaporator
(A/C S/W off, Fan
‘4’)
 Check with sight
glass
 Check thermo amp Remove
cloggings
Normal compressorFaulty compressor
 Check belt
Tension is normal
 Check
magnetic
clutch
 Check clutch
connection
 Check wire Adjust tension
Bubble is not foundBubble is found
 Check refrigerant
volume and air in
system  Check
pressure
Loosened tension
Bubble is not foundBubble is found
 Check refrigerant  Check pressure
Faulty magnetic
electricFaulty clutchFaulty compressor operation
 Check battery voltage
 Check control switch
 Check ground
Normal high/low pressureHigh high/low pressureHigh pressure : low
Low pressure : high
 Check intake
and outlet
temperature  Faulty A/C system
 Faulty A/C mix door
 Faulty vent, intake door Excessive refrigerant
 Dirty cond., fan
 Excessive oil in system
- No diffence in
temperature
- Fast pressure balanceLow intake temperature
 Faulty comp. outlet  Faulty evaporatorNoise
CompressorBeltOthers
 Excessive oil
 Faulty bearing
 Faulty clutch Identify the place
 Faulty belt
 Belt line is correct
 Check belt tension