2013 SSANGYONG KORANDO heater

c. Operation process
The ceramic PTC has a feature that the resistance goes up very high at a certain temperature. There
are three circuits in PTC heater. Only one circuit is connected when PTC1 relay is ON, and two circuits
are connected when PTC2 relay is ON.

0000-00
d. Control conditions
Operation Operating condition PTC Heater
HI
(PTC2)
PTC HI ON
LO
(PTC1)
PTC LO ON
Stop- A/C blower switch OFF
- Defective ambient air temperature sensor
(including open or short circuit)
- Engine cranking
- Low battery voltage (below 11V)
- During pre-glow process (glow indicator ON)
Operation diagram for PTC heater LO (step 2)

Name Size Quantity Tightening torque
Oil pan bolt M6 X 1.0 X 20 16
Oil pan bolt M6 X 1.0 X 35 4
Oil pan bolt M6 X 1.0 X 85 2
Oil dipstick gauge bolt M6 X 1.0 X 16 1
Camshaft cap M6 X 1.0 X 30 20
Main gallery screw bolt - 1
Main bearing cap bolt - 10
Cylinder head bolt M12X1.75X102 10
Cylinder head TGCC side bolt M8 X 1.25 X 30 4
Cylinder head front cover bolt M6 X 1.0 X 25 8
Cylinder head cover bolt M6 X 1.0 X 30 20
Crankshaft center bolt M18 X 1.5 X 50 1
Flywheel bolt M10 X 1.0 X 22 8
Connecting rod bolt M9 X 1.0 X 52 8 40 + 5 Nm
Cam Cap bolt (#1) M6 X 1.0 X 35 4
Cam Cap bolt (#2~5) M6 X 1.0 X 30 16
Solenoid valve bolt M5 X 0.8 X 22 1
Intake manifold bolt M8 X 1.25 X 32 5
2. TIGHTENING TORQUE
Name Size Quantity Tightening torque
Heater core screw bolt - 1
Ladder frame bolt M8 X 1.25 X 20 7
TGCC M6 X 1.0 X 25 10
Oil drain plug - 1
Oil pan bolt M6 X 1.0 X 20 16
Oil pan bolt M6 X 1.0 X 35 4
Oil pan bolt M6 X 1.0 X 85 2
Oil dipstick gauge bolt M6 X 1.0 X 16 1

Problem Possible Cause Action
Coolant
level is too low
Coolant
temperature is
too high
2. INSPECTION
Leak from the radiator
Leak from the coolant auxiliary tank
Leak from the heater core -
-
-
Leak from the water inlet cap
Leak from the thermostat housing -
-Reconnect the hose or replace the
clamp
Change the hose -
- Leak from the coolant hose connections
Damaged coolant hose -
-
Change the gasket
Change the water pump -
- Leak from the water pump gasket
Leak from the water pump internal seal -
-
Tighten the bolts to the specified
torque
Change the cylinder head gasket -
- Incorrect tightening torque of the cylinder
head bolts
Damaged cylinder head gasket -
-Change the water inlet cap gasket
Change the thermostat sealing -
-
Coolant leakage (Coolant level is low)
Improper coolant mixture ratio
Kinked coolant hose -
-
-Add coolant
Check the coolant concentration
(Anti-freeze)
Repair or replace the hose -
-
-
Defective thermostat
Defective water pump
Defective radiator
Defective coolant auxiliary tank or tank
cap -
-
-
-Change the thermostat
Change the water pump
Change the radiator
Change the coolant auxiliary tank or
tank cap -
-
-
-Change the radiator
Change the coolant auxiliary tank
Change the heater -
-
-
Cracks on the cylinder block or
cylinder head
Clogged coolant passages in the
cylinder block or cylinder head -
-Change cylinder block or cylinder
head
Clean the coolant passage -
-
Clogged radiator core -
Replace the sensor or repair the
related wiring - Improper operation of cooling fan -Clean the radiator core -
Defective temperature sensor or faulty
wiring -Replace the cooling fan or repair the
related circuit -

3. COOLANT FLOW DIAGRAM
Heater
return Water pump
Thermostat
Bypass

2112-01
Coolant outlet port
to radiator
to water pump (bypass)
to cabin heater
to coolant reservoir
Coolant temperature
sensor mountinh boss
from cylinder head
Gasket A:
B:
C:
D:
E:
F:
G:
Coolant outlet port

3. MAJOR CHANGES
Changes for engine compartment fuse box
8410-02 Engine compartment fuse box
- Changed layout
Name Changes made
A ALT terminal and fuse (150A) Newly adopted
B A/C compressor relay Changed to PCB type
C Headlamp high beam Changed to PCB type
D Rear glass/heated mirror relay Changed to PCB type
E Cooling fan high-speed relay Changed to Micro type
F Blower motor relay Changed to Micro type
G Cooling fan low-speed relay Changed to Micro type
H Cooling fan relay Changed to Micro type
I Fuel heater relay Changed to Micro type
J PTC1 heater relay Changed to Micro type
K Power window relay Changed to Micro type
L Starting relay Changed to Micro type

Drive door main switch
& outside mirror switchHeater and A/C control switch
(auto)
Start/stop switchSteering wheel remote
control switch
Center fascia switch
Passenger door switch
Lower main panel
switch
Cruise control switch
Multifunction switch
Switch layout