cooling SUZUKI ALTO 2007 6.G Owners Manual

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76G-74E
Defrosting
Move the function lever/knob to “DEFROST”
and the air intake lever to “FRESH AIR”,
the temperature control lever/knob to the
desired temperature position, and the fan
switch to “HIGH” Moving the temperature
control lever/knob to a higher temperature
position increases defrosting efficiency.
When the windscreen has become clear,
move the fan switch to the desired fan
speed position.
AIR CONDITIONING SYSTEM
(if equipped)If your vehicle is equipped with air
conditioner, it has an A/C button located on
the heater control panel. The air conditioning
system can be used to provide cooling and
dehumidifying, as described below. To turn
on the air conditioning system, push in the
A/C button and move the fan switch to a
position other than “OFF”. An indicator light
will come on when the air conditioning
system is on. To turn off the air conditioning
system, push the A/C button again.
During operation of the air conditioner, you
may notice slight changes in engine speed.
These changes are normal, the system is
designed so that the compressor turns on
or off to maintain the desired temperature.
Less operation of the compressor results in
better fuel economy.
5-17INSTRUMENT PANEL
76G-05-047
(ALTO / ALTO K10)
SYSTEM OPERATING INSTRUCTIONSNormal Cooling (using outside air)
Push in the A/C button, move the function
lever/knob to "VENTILATION", the air
intake lever to “FRESH AIR”, the
temperature control lever/knob to the
“COOL” position, and the fan switch to the
desired fan speed position. Moving the fan
switch to a higher fan speed position
increases cooling efficiency.
If the ambient temperature is high enough
to cause insufficient cooling, use the "Quick
Cooling" as following.
76G-05-049
(ALTO / ALTO K10)

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INSTRUMENT PANEL
5-18
76G-05-051
(ALTO / ALTO K10)
Quick Cooling (Using recirculated air)
The lever/knob settings are the same as for
normal cooling except you move the air
intake lever to “RECIRCULATED AIR”. If
you use this cooling method for a extended
period of time, the air in the vehicle can
become contaminated. Therefore, you
should occasionally move the air intake
lever to “FRESH AIR”.NOTE:
If your vehicle has been left in the sun with
the windows closed, it will cool faster if you
open the windows briefly while you operate
the air conditioner with the air intake lever
at “FRESH AIR” and the fan at high speed.
Dehumidifying
Push in the A/C button, move the function
lever/knob to the desired function position,
the air intake lever to “FRESH AIR”, the
temperature control lever/knob to the desired
temperature position, and the fan switch to
the desired fan speed position.NOTE:
Because the air conditioner dehumidifies the
air, turning it on will help keep the windows
clear, even when blowing heated air using
the DEMIST or HEATER & DEMIST
functions.
76G-05-053
(ALTO / ALTO K10)Maintenance
If you do not use the air conditioner for a
long period, such as during winter, it may
not give the best performance when you
start using it again. To help maintain op-
timum performance and durability of your air
conditioner, it needs to be run periodically.
Operate the air conditioner at least once a
month for one minute with the engine idling.
This circulates the refrigerant and oil and
helps protect the internal components.
Note:
Your vehicle uses the air conditioning re-
frigerant HFC-134a, commonly called “R-
134a”. Only R-134a should be used in your
vehicle.
CAUTION
Using the wrong refrigerant may dam-
age your air conditioning system. Use
R-134a only. Do not mix or replace the
R-134a with other refrigerants.

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INSPECTION AND MAINTENANCE
9-2
A....Adjust. I....Inspect and correct or replace if necessary.
T....Tighten to specified torque. C....Clean.
R....Replace or change. O....Rotate
L....Lubricate.
Note:
This table includes services as scheduled up to 80,000 km mileage. Beyond 80,000 km, carry out the same services at the same
intervals respectively.Interval: This interval should be judged
FREE INSPECTIONS
PERIODIC MAINTENANCE SERVICE AT COST
by odometer reading or months, km (x 1,000) 1 5 10 20 30 40 50 60 70 80
whichever comes first. months 1 6 12 24 36 48 60 72 84 96
ENGINE
1. Water pump drive belt (tension, wear) A I I I I I I R A I
2. Engine coolant (level, leakage) I I I R I R I R I R
3. Engine oil (API GRADE SF, SG, SH) & Oil filter R I R R R R R R R R
4. Cooling system hoses and connections (leakage, damage) I I I I I I I I I I
5. Engine bolts (All cylinder head and manifold fixings) – – T – T – T – T –
6. Engine mounting (loose, damage) – – T – T – T – T –
7. Valve clearance – A – A – A – A – A
8. Camshaft timing belt (damage, wear) – – – I – I – I – I
Replace every 1,00,000 km
9. Exhaust system (noise, leakage or otherwise defective) – I – I – I – I – I
10. Positive crankcase ventilation System (Hoses, connections and valve) – I – I – I – I – I
IGNITION
1. Ignition wiring, (damage, deterioration) – – – I – I – I – I
2. Spark plugs (clean and adjust the gap) – – I R I R I R I R
3. Distributor cap and rotor (wear and deterioration)* – – – I – I – I – I
*For LX only
ALTO

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76G-74E
INSPECTION AND MAINTENANCE9-15ENGINE COOLANT
76G-09-011
ALTO
76G-09-012
EXAMPLE
EXAMPLE EXAMPLE
ALTO K10
EXAMPLE ALTO
ALTO K10
Selection of CoolantTo maintain optimum performance and
durability of your engine, use MARUTI
Genuine Coolant or equivalent.
This type of coolant is best for your cooling
system as it:
Helps maintain proper engine temperature.
Gives proper protection against freezing
and boiling.
Gives proper protection against corrosion
and rust.
Failure to use the proper coolant can dam-
age your cooling system. Your MARUTI
SUZUKI authorized dealer can help you
select the proper coolant.

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INSPECTION AND MAINTENANCE
9-16
CAUTION
To avoid damaging your cooling sys-
tem:
Always use a high quality ethylene
glycol base non-silicate type cool-
ant diluted with distilled water at
the correct mixture concentration.
Make sure that the proper mix is 30/
70 coolant to distilled water.
Concentrations greater than 70/30
coolant to distilled water will cause
over heating conditions.
Do not use straight coolant nor
plain water.
Do not add extra inhibitors or addi-
tives. They may not be compatible
with your cooling system.
Do not mix different types of base
coolants. Doing so may result in
accelerated seal wear and/or the
possibility of severe overheating
and extensive engine damage.Coolant Level Check
Check the coolant level at the reservoir
tank, not at the radiator. With the engine
cool, the coolant level should be between
the “FULL” and “LOW” marks.
Adding Coolant
If the coolant level is below the “LOW”
mark, more coolant should be added.
Remove the reservoir tank cap and add
coolant until the reservoir tank level reaches
the “FULL” mark. Never fill the reservoir
tank above the “FULL” mark.
CAUTION
The mixture you use should con-
tain 50% concentration of anti-
freeze.
If the lowest ambient temperature
in your area is expected to be –
35°C (–31°F) or below, use higher
concentrations up to 60% following
the instructions on the antifreeze
container.
When putting the cap on the reser-
voir tank, line up the arrow on the
cap and the arrow on the tank. Fail-
ure to follow this can result in cool-
ant leakage.

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76G-74E
engine until these problems have been
corrected.
3) If you do not find a leak, carefully add
coolant to the reservoir and then the
radiator, if necessary. (Refer to “ENGINE
COOLANT” in the “INSPECTION AND
MAINTENANCE” section.)
It is dangerous to remove the radiator
cap when the water temperature is
high, because scalding fluid and
steam may be blown out under
pressure. The cap should only be
taken off when the coolant
temperature has lowered.
To help prevent personal injury, keep
hands, tools and clothing away from
the engine cooling fan and air-
conditioner fan (if equipped). These
electric fans can automatically turn on
without warning.
EMERGENCY SERVICE10-5
w ww w
w WARNINGw ww w
w WARNING
1) Turn off the air conditioner, if equipped.
2) Take the vehicle to a safe place and
park.
3) Let the engine run at normal idle speed
for a few minutes until engine coolant
temperature warning light goes off.
If you see or hear escaping steam,
stop the vehicle in a safe place and
immediately turn off the engine to let
it cool. Do not open the bonnet when
steam is present. When the steam can
no longer be seen or heard, open the
hood to see if the coolant is still
boiling. If it is, you must wait until it
stops boiling before you proceed.
If the engine coolant temperature warning
light does not goes off:
1) Turn off the engine and check that the
water pump belt and pulleys are not
damaged or slipping. If any abnormality
is found, correct it.
2) Check the coolant level in the reservoir.
If it is found to be lower than the “LOW”
line, look for leaks at the radiator, water
pump, and radiator and heater hoses. If
you locate any leaks that may have
caused the overheating, do not run the
w ww w
w WARNING
WARNING TRIANGLEIn case of vehicle break-down or during
emergency stopping, where, your vehicle
could become a potential traffic hazard,
keep the warning triangle, provided with
your vehicle, on the road free from any
obstacles behind your vehicle so as to warn
the approaching traffic, at an approximate
distance of 50-100 m. The reflecting side
of the triangle should face the on coming
traffic. Please activate the hazard warning
lamps before alighting the vehicle to keep
the warning triangle.
176G-10-012
EXAMPLE