cooling system MITSUBISHI TRITON 2011 Owners Manual

CAUTION
l
Normally, use the “ ” (outside) posi-
tion to keep the
windscreen and side win-
dows clear and quickly remove fog or
frost from the windscreen.
If high cooling performance is desired, or
if the outside air is dusty or otherwise con-
taminated, use the “ ” (recirculation)
position. Set the air

selection lever to the
“ ” (outside) position periodically to in-
crease ventilation so that

the windows do
not become fogged up.
l Use of the “ ” (recirculation) position
for extended time may

cause the windows
to fog up.
Air conditioning switch* E00701500781
Push the switch, and the air conditioning compres-
sor will turn on. The

air conditioning indication
lamp (A) will come on. Push the switch again and the air conditioning com-
pressor will stop and the indication lamp goes off.
CAUTION
l
When using the air conditioning,
the
idling speed may slightly increase as the
air conditioning compressor is switched
on/off automatically. While the vehicle
with an A/T is stationary, fully depress
the brake pedal to prevent the vehicle
from creeping.
Operating the air conditioning system E00701800247
Heating
Set the mode selection dial

to the “ ” position
and set the air

selection lever to the “ ” (outside)
position. Turn the temperature control dial clockwise or anti-
clockwise to the desired temperature.

Select the de-
sired blower speed. NOTE
l For
maximum heat, set the

blower speed at
the 3 rd
position. For pleasant driving
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l
Recirculated air {Indication lamp (A) is ON}
Air is recirculated inside
the
passenger com-
partment. CAUTION
l
Normally, use the outside position to keep
the windscreen and side windows

clear
and quickly remove fog or frost from the
windscreen.
If high cooling performance is desired, or
if the outside air is dusty or otherwise con-
taminated use the recirculation position.
Switch to the outside position periodically
to increase ventilation so that the win-
dows do not become fogged up.
l Use of the recirculation position for exten-
ded time may cause the windows to fog up. Air conditioning switch
E00703501128
Push the switch, and the

air conditioning compres-
sor will turn on. The air conditioning indication
lamp (A) will come on. Push the switch again, and the air conditioning com-
pressor will stop and the indication lamp goes off.
CAUTION
l
When
using
the air
conditioning,
the
idling speed may slightly increase as the
air conditioning compressor is switched
on/off automatically. While the vehicle
with an A/T is stationary, fully depress
the brake pedal to prevent the vehicle
from creeping. Operating the system in automatic
mode
E00704100919 In normal conditions, use the system in the AUTO
mode and follow these procedures:
1. Set the blower speed selection

dial to the “AU-
TO” position.
2. Select the temperature control dial to the de- sired temperature. The temperature can be
set within a range of 17 to 27 (Type 1) or 20
to 30 (Type 2). The temperature will gradual-
ly increase as the dial is turned to the right.
3. Set the mode selection dial to the “AUTO” position.
4. Push the air conditioning switch to operate the air conditioning. When the air condition-
ing operates, the indication lamp (A) in the di-
al will come on.
The outlet port (except “ ”) and blower speed,
and ON/OFF of air

conditioning will be controlled
automatically. For pleasant driving
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NOTE
l Set
the temperature at about
22 (Type 1) or
25 (Type 2) under normal conditions.
l When the temperature is set to the highest or
the lowest setting under the AUTO opera-
tion, the air selection, mode selection, blower
speed and the air conditioning will be auto-
matically changed as follows.
Also, if manually operated after an automatic
changeover, manual operation will be selec-
ted.
• Quick Heating (When the temperature isset to the highest setting)
Outside air will be introduced, the air
flow will select foot position, and the air
conditioning will stop.
• Quick Cooling (When the temperature is set to the lowest setting)
Inside air will be recirculated, the air
flow will select face position, and the air
conditioning will operate.
Operating the system in manual mode E00704200040
Blower speed and ventilator mode may be control-
led manually by setting the

blower speed selection
dial and the mode selection dial to the desired posi-
tions. To return to automatic operation, set the dials
to the “AUTO” position.
Demisting of the windscreen and door windows E00704300689CAUTION
l
For
safety, make
sure you
have a clear
view through all the windows. To remove frost or mist from the windscreen and
door
windows, use
the mode

selection dial (“ ”
or “ ”).
For ordinary demisting
Use this setting to keep

the windscreen and door
windows clear of mist, and to keep the leg area heat-
ed (when driving in rain or snow). 1. Set the air selection switch (A) to the outside
position.
2. Set the mode selection

dial to the “ ” posi-
tion.
3. Select your desired

blower speed by turning
the blower speed selection dial.
4. Select your desired temperature by turning the temperature control dial.
5. Push the air conditioning switch (B). For quick demisting
1.
Set the mode selection dial

to the “ ” posi-
tion.
2. Set the blower to the maximum speed. 3. Set the temperature to the highest position.
NOTE l While the
mode
selection dial is set to the
“ ” position, the air conditioning will oper-
ate automatically and the
outside air position
will also be selected automatically.
l To demist effectively, direct the air flow
from the side ventilators towards the door win-
dows.
l Do not set the temperature control dial to the
max. cool position. Cool air will blow
against the window glasses and form mist on
them. For pleasant driving
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Important operation tips for the
air conditioning E00708300951
l Park the vehicle in the shade.
Parking in the hot
sun
will make the vehicle
inside extremely hot, and it will require more
time to cool the interior.
If it is necessary to park in the sun, open the
windows for the first few minutes of air con-
ditioning operation to expel the hot air.
l Close the windows when the air conditioning
is in use. The entry of outside air through
open windows will reduce the cooling effi-
ciency.
l Too much cooling is not good for the health.
The inside air temperature should only be 5
to 6 °C below the outside air temperature.
l When operating the system, make sure the
air intake, which is located in front of the
windscreen, is free of obstructions such as
leaves and snow. Leaves collected in the air-
intake plenum may reduce air flow and plug
the plenum water drains.
Air conditioning system refrigerant
and lubricant recommendations
If the air conditioning seems less effective than usu-
al, the cause might be a refrigerant leak. We recom-
mend you to have the system inspected.
The air conditioning system in your vehicle must
be charged with the refrigerant HFC-134a and the
lubricant ZXL-100PG.
Use of any other refrigerant or lubricant will cause
severe damage which will result in the need to re-
place your vehicle’s entire air conditioning system.
The release of refrigerant into the atmosphere
should be prevented. It is recommended that the refrigerant be recovered
and recycled for further use.
During a long period of disuse
The air conditioning should
be
operated for at least
five minutes each week, even in cold weather. This
is to prevent poor lubrication of the compressor in-
ternal parts and to maintain the air conditioning in
the best operating condition. Air purifier*
E00708400675
An air filter has been
incorporated into this air con-
ditioning so that dirt and dust are cleaned from the
air.
Replace the air filter periodically as its ability to
clean the air will be reduced as it collects pollen
and dirt. For the maintenance interval, refer to the
“SERVICE BOOKLET”.
NOTE
l Operation in certain conditions such as driv-
ing on a dusty road and frequent use of the
air conditioning can lead to reduction of serv-
ice life of the filter. When you feel that the
air flow is lower than normal or when the
windscreen or windows start to fog up easily,
replace the air filter.
We recommend you to have it checked. For pleasant driving
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CAUTION
l
Do not attempt to start the engine by pull-
ing or pushing the vehicle.
It could damage your vehicle.
l Always wear protective eye goggles when
working near the battery.
l Keep the battery out of the reach of chil-
dren.
NOTE l On
vehicles with anti-lock brake

system, if
the vehicle is put in motion without fully
charging the battery, it might cause the loss
of smooth engine operation and the antilock
brake warning lamp to illuminate.
Refer to “Anti-lock brake system (ABS)” on
page 4-44. Engine overheating
E00800601985
If the water temperature gauge

indication remains
in the overheating zone for a long time, the engine
may be overheating. If this occurs, take the follow-
ing corrective measures: 1. Stop the vehicle in a safe place.
2. Check whether steam is coming from the en-gine compartment.

[If steam does not come from the engine com-
partment]
With the engine still running, raise the bon-
net to ventilate the engine compartment.

[If steam is coming from the engine compart-
ment]
Stop the engine, and when the steam stops,
raise the bonnet to ventilate the engine com-
partment. Restart the engine. WARNING
l Do not open the
bonnet
while steam is com-
ing from the engine compartment. It
could cause steam or hot water to spurt
out, causing burns. Hot water could spurt
out even when there is no steam coming
out, and some parts will be very hot. Be
very careful when opening the bonnet.
l Be careful of hot steam, which could be
blowing off the reserve tank cap.
l Do not attempt to remove the radiator
cap while the engine is hot. 3. Confirm that the cooling fan is turning. If the
fan is not turning, stop the engine immediate-
ly and have it checked. A- Radiator cap
B- Cooling fan
C- Reserve tank
*: if so equipped WARNING
l Be careful not to
get your hands or
clothes caught in the cooling fan. For emergencies
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4. After the engine coolant temperature has drop-
ped to the normal temperature, stop the engine.5. Check the coolant level in the reserve tank.
WARNING
l If
there
is none,
make
sure that the en-
gine has cooled down before removing
the radiator cap, because hot steam or boil-
ing water otherwise will gush from the fill-
er port and may scald you. 6. Add
coolant to the radiator and/or reserve
tank if
necessary (refer

to the “Maintenance”
section.) CAUTION
l
Do not add coolant
while
the engine is
hot. Suddenly adding cold coolant could
damage the engine. Wait for the engine to
cool down, then add coolant a little at a
time.
7. Examine the radiator hoses for coolant leak-
age and
the drive

belt for looseness or damage.
If there is anything wrong with the cooling
system or drive belt, we recommend you to
have it checked and repaired. Bleeding the fuel system
E00800700312
The fuel system should be bled to remove air as de-
scribed below if the fuel supply is exhausted during
travel.
Type 1
1. Loosen the
air plug
(A)

at the top of the fuel
filter. For emergencies
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NOTE
l Use
of additives is not
recommended since
they may reduce the effectiveness of addi-
tives already included in the engine oil. It
may result in failure of the mechanical assem-
bly. Engine coolant
E01000501202
To check the coolant level
A translucent coolant reserve
tank
is located in the
engine compartment.
The coolant level in this tank should be kept be-
tween the “LOW” and “FULL” marks when meas-
ured while the engine is cold. To add coolant
The
cooling
system is
a

closed system and normal-
ly the loss of coolant should be very slight. A no-
ticeable drop in the coolant level could indicate leak-
age. If this occurs, we recommend you to have the
system checked as soon as possible.
If the level should drop below the “LOW” level on
the reserve tank, open the lid and add coolant.
Also, if the reserve tank is completely empty, re-
move the radiator cap and add coolant until the lev-
el reaches the filler neck. WARNING
l Do not open the radiator
cap while the en-
gine is hot.
The coolant system is under pressure and
any hot coolant escaping could cause se-
vere burns.
Anti-freeze
The engine coolant contains an

ethylene glycol anti-
corrosion agent. The cylinder head and water pump
housing are cast aluminium alloy, and periodic
changing of the engine coolant is necessary to pre-
vent corrosion of these parts.

Use “DIA QUEEN SUPER LONG LIFE COOL-
ANT” or equivalent.
MITSUBISHI Genuine Coolant has excellent pro-
tection against corrosion and rust formation of all
metals including aluminium and can avoid block-
ages in the radiator, heater, cylinder head, engine
block, etc.
Because of the necessity of this anti-corrosion
agent, the coolant must not be replaced with plain
water even in summer. The required concentration
of anti-freeze differs depending on the expected am-
bient temperature. Ambient
temperature
(minimum) °C -15 -20 -25
-30

-35 -50 Anti-freeze
concentra- tion % 30 35 40 45 50 60Maintenance
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CAUTION
l
Do not use alcohol or methanol anti-
freeze or any engine coolants mixed with
alcohol or methanol anti-freeze. The use
of an improper anti-freeze can cause cor-
rosion of the aluminium components.
l For effective anti-corrosion and anti-
freeze performance, keep the anti-freeze
concentration within the range of 30 to
60 %.
Concentrations exceeding 60 % will re-
sult in a reduction of both the anti-freeze
and cooling performance thus adversely
affecting the engine.
l Do not top up with water only.
Water by itself reduces the rust-protec-
tive and anti-freeze qualities of the cool-
ant and has a lower boiling point. It can
also cause damage to the cooling system if
it should freeze. Do not use tapwater, as it
can cause corrosion and rust formation.
During cold weather
If the temperatures in your

area drop below freez-
ing, there is the danger that the coolant in the en-
gine or radiator could freeze and cause severe dam-
age to the engine and/or radiator. The concentra-
tion should be checked before the start of cold weath-
er and anti-freeze added to the system if necessary.
Add a sufficient amount of anti-freeze to the cool-
ant to prevent it from freezing.
The concentration should be checked before the
start of cold weather and anti-freeze added to the
system if necessary. Automatic transmission fluid*
E01000600974
The proper amount of automatic

transmission fluid
is essential to the life and operation of the automat-
ic transmission. Either insufficient fluid or exces-
sive fluid could cause transmission trouble. The
transmission fluid filler port cap is equipped with a
dipstick. Use the following procedure to check the
fluid level.
Procedure for checking the fluid level
1. Check the fluid level after the vehicle hasbeen driven enough to warm up the transmis-
sion fluid.
2. Park the vehicle on a flat, level surface and apply the parking brake.
3. With the engine idling and the brake pedal fully depressed, move the transmission selec-
tor lever through all the positions from the
"P” (PARK) to “L” (LOW) (with 4A/T), the
“P” (PARK) to “D” (DRIVE) (with 5A/T),
stopping momentarily at each position.
4. Move the selector lever to the “P” (PARK) position.
5. Remove the dipstick and wipe it with a clean lint-free cloth.
6. Reinsert the dipstick as far as it goes. 7. Remove dipstick and read the automatic trans-
mission fluid level.
The fluid level should
always be between the
two marks on the dipstick. WARNING
l Do not spill the
fluid
onto a hot exhaust
manifold during topping up or inspec-
tion, or a fire may occur.
Fluid type
Use only “DIA QUEEN ATF

SP III” transmission
fluid to ensure optimum transmission performance. Maintenance
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