engine coolant HYUNDAI I20 2023 Owner's Manual
[x] Cancel search | Manufacturer: HYUNDAI, Model Year: 2023, Model line: I20, Model: HYUNDAI I20 2023Pages: 649, PDF Size: 12.35 MB
Page 567 of 649
9-8
Maintenance
Whilst operating your vehicle:
[ Note any changes in the sound of the
exhaust or any smell of exhaust fumes
in the vehicle.
[ Check for vibrations in the steering
wheel. Notice if there is any increased
steering effort or looseness in the
steering wheel, or change in its
straight-ahead position.
[ Notice if your vehicle constantly turns
slightly or “pulls” to one side when
travelling on smooth, level road.
[ When stopping, listen and check for
unusual sounds, pulling to one side,
increased brake pedal travel or “hard-
to-push” brake pedal.
[ If any slipping or changes in the
operation of your transmission occurs,
check the transmission fluid level.
[ Check the parking brake.
[ Check for fluid leaks under your
vehicle (water dripping from the air
conditioning system during or after
use is normal).
At least monthly:
[ Check coolant level in the engine
coolant reservoir.
[ Check the operation of all exterior
lights, including the stoplights, turn
signals and hazard warning flashers.
[ Check the inflation pressures of all
tyres including the spare for tyres that
are worn, show uneven wear, or are
damaged.
[ Check for loose wheel lug nuts.
At least twice a year:
(i.e., every Spring and Autumn)
[ Check radiator, heater and air
conditioning hoses for leaks or
damage.
[ Check windscreen washer spray and
wiper operation. Clean wiper blades
with a clean cloth dampened with
washer fluid.
[ Check headlight alignment.
[ Check muffler, exhaust pipes, shields
and clamps.
[ Check the seat belts for wear and
function.
At least once a year:
[ Clean body and door drain holes.
[ Lubricate door hinges and bonnet
hinges.
[ Lubricate door and bonnet locks and
latches.
[ Lubricate door rubber weather strips.
[ Lubricate door checker
[ Check the air conditioning system.
[ Inspect and lubricate automatic
transmission linkage and controls.
[ Clean the battery and terminals.
[ Check the brake fluid level.
Page 570 of 649
9-11
09
Vacuum crankcase ventilation
hoses (if equipped)
Inspect the surface of hoses for
evidence of heat and/or mechanical
damage. Hard and brittle rubber,
cracking, tears, cuts, abrasions, and
excessive swelling indicate deterioration.
Particular attention should be paid to
examine those hose surfaces nearest to
high heat sources, such as the exhaust
manifold.
Inspect the hose routing to assure that
the hoses do not come in contact with
any heat source, sharp edges or moving
component which might cause heat
damage or mechanical wear. Inspect
all hose connections, such as clamps
and couplings, to make sure they are
secure, and that no leaks are present.
Hoses should be replaced immediately if
there is any evidence of deterioration or
damage.
Air cleaner filter
We recommend that the air cleaner filter
be replaced by a HYUNDAI authorised
repairer.
Spark plugs
(for petrol engine)
Make sure to install new spark plugs of
the correct heat range.
When assembling parts, be sure to
wipe out foreign substances inside
and outside of the boot bottom of the
ignition coil and the insulator of the
spark plug with a soft cloth to prevent
contamination of the spark plug
insulator.
WARNING
Do not disconnect and inspect spark
plugs when the engine is hot. You may
burn yourself.
Cooling system
Check the cooling system parts, such
as radiator, coolant reservoir, hoses and
connections for leakage and damage.
Replace any damaged parts.
Engine coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Manual transmission fluid/iMT
system actuator fluid
(if equipped)
Inspect the Manual transmission fluid/
iMT system actuator fluid according to
the maintenance schedule.
Automatic transmission fluid
(if equipped)
Automatic transmission fluid should
not be checked under normal usage
conditions.
We recommend that the automatic
transmission fluid is changed by a
HYUNDAI authorised repairer according
to the maintenance schedule.
i Information
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Page 572 of 649
9-13
09
ENGINE OIL
Engine oil is used for lubricating,
cooling, and operating various hydraulic
components in the engine. Engine oil
consumption whilst driving is normal,
and it is necessary to check and refill the
engine oil regularly. Also, check and refill
the oil level within the recommended
maintenance schedule to prevent
deterioration of oil performance.
Check the engine oil following the below
procedure.
Checking the engine oil level
„Smartstream G 1.0 T-GDi/ Smartstream G1.0 T-GDi (48V) MHEV
OBC3090008
„Smartstream G1.2
OBC3090009
„Petrol 1.4
OBC3090010
1. Follow all of the oil manufacturer’s
precautions.
2. Be sure the vehicle is on the level
ground in P (Park) with the parking
brake set and the wheels blocked.
3. Turn the engine on and warm
the engine up until the coolant
temperature reaches a constant
normal temperature.
4. Turn the engine off, remove the oil
filler cap and pull the dipstick out.
Wait for 15 minutes for the oil to
return to the oil pan.
5. Wipe the dipstick clean and re-insert
it fully.
6. Pull the dipstick out again and check
the level. The level should be between
the F-L line.
Page 575 of 649
9-16
Maintenance
The high-pressure cooling system
has a reservoir filled with year-round
antifreeze coolant. The reservoir is filled
at the factory.
Check the antifreeze protection and
coolant concentration level at least once
a year, at the beginning of the winter
season, and before travelling to a colder
climate.
NOTICE
[ : K H Q W K H H Q J L Q H R Y H U K H D W V I U R P
low engine coolant, suddenly adding
engine coolant may cause cracks
in the engine. To prevent damage,
add engine coolant slowly in small
quantities.
[ ' R Q R W G U L Y H Z L W K Q R H Q J L Q H F R R O D Q W
It may cause water pump failure and
engine seizure, etc.
Checking the coolant level
OBC3090014
„Type A
„Type B
OBC3090061
Check the condition and connections
of all cooling system hoses and
heater hoses. Replace any swollen or
deteriorated hoses.
The coolant level should be filled
between [F (Full)] and [L (Low)] marked
on the side of the coolant reservoir when
the engine is cool.
If the coolant level is low, add enough
distilled (deionized) water.
Bring the level to [F(Full)], but do
not overfill. If frequent additions are
required, we recommend that the
system be inspected by a HYUNDAI
authorised repairer.
ENGINE COOLANT
Page 576 of 649
9-17
09
OBC3090006
„Type A
„Type B
OBC3090007
WARNING
Do not remove a radiator cap/
engine coolant reservoir cap.
[ Never attempt to remove the radiator
cap/engine coolant reservoir cap
whilst the engine is operating or hot.
[ Doing so might lead to cooling
system failure and engine damage
and could result in serious personal
injury from escaping hot coolant or
steam.
[ Turn the engine off and wait until
it cools down. Use extreme care
when removing the radiator cap/
engine coolant reservoir cap. Wrap
a thick towel around it, and turn it
counterclockwise slowly to the first
stop. Step back whilst the pressure is
released from the cooling system.[ When you are sure all the pressure
has been released, press down on the
cap, using a thick towel, and continue
turning counterclockwise to remove
it.
[ Even if the engine is not operating,
do not remove the radiator cap/
engine coolant reservoir cap or the
drain plug whilst the engine and
radiator are hot. Hot coolant and
steam may still blow out under
pressure, causing serious injury.
WARNING
The electric motor (cooling
fan) is controlled by engine
coolant temperature,
refrigerant pressure and
vehicle speed.
It may sometimes operate even when
the engine is not running. Use extreme
caution when working near the blades
of the cooling fan so that you are not
injured by a rotating fan blades. As the
engine coolant temperature decreases,
the electric motor will automatically
shut off. This is a normal condition.
The electric motor (cooling fan) may
operate until you disconnect the
negative battery cable.
Page 577 of 649
9-18
Maintenance
WARNING
OBC3090015
1. Check if the radiator cap label is
straight In front.
2. Make sure that the tiny protrusions
inside the radiator cap should be
securely interlocked.
Recommended engine coolant
[ When adding coolant, use only
distilled (deionized) water for your
vehicle and never mix hard water in
the coolant filled at the factory. An
incorrect coolant mixture can result
in serious malfunction or engine
damage.
[ The engine in your vehicle has
aluminium engine parts and must be
protected by an phosphate based
ethylene-glycol coolant to prevent
corrosion and freezing.
[ DO NOT USE alcohol or methanol
coolant or mix them with the specified
coolant.
[ Do not use a solution that contains
more than 60% antifreeze or less than
35% antifreeze, which would reduce
the effectiveness of the solution.
For mixture percentage, refer to the
following table.
Ambient
TemperatureMixture Percentage
(volume)
Antifreeze Water
-15°C (5°F)35 65
-25°C (-13°F)40 60
-35°C (-31°F) 50 50
-45°C (-49°F) 60 40
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Page 578 of 649
9-19
09
Changing the engine coolant
We recommend that coolant be changed
by an authorised HYUNDAI according to
the Maintenance Schedule.
NOTICE
Put a thick cloth or fabric around the
radiator cap before refilling the coolant
in order to prevent the coolant from
overflowing into engine parts such as
alternator.
WARNING
Do not use engine coolant or antifreeze
in the washer fluid reservoir.
Engine coolant can severely obscure
visibility when sprayed on the
windscreen and may cause loss of
vehicle control resulting in an accident.
Engine coolant may also cause damage
to paint and body trim.
Page 582 of 649
9-23
09
Checking the washer fluid level
OBC3090017
Check the fluid level in the washer fluid
reservoir and add fluid if necessary.
Plain water may be used if washer fluid
is not available.
However, use washer solvent with
antifreeze characteristics in cold
climates to prevent freezing.
WARNING
To prevent serious injury or death, take
the following safety precautions when
using washer fluid:
[ ' R Q R W X V H H Q J L Q H F R R O D Q W R U
antifreeze in the washer fluid
reservoir. Engine coolant can
severely obscure visibility when
sprayed on the windscreen and may
cause loss of vehicle control resulting
in an accident or damage to paint
and body trim.
[ ' R Q R W D O O R Z V S D U N V R U I O D P H V W R
contact the washer fluid or the
washer fluid reservoir. Washer fluid
may contain alcohol and can be
flammable.
[ ' R Q R W G U L Q N Z D V K H U I O X L G D Q G D Y R L G
contact with skin. Washer fluid is
poisonous to humans and animals.
[ . H H S Z D V K H U I O X L G D Z D \ I U R P F K L O G U H Q
and animals.
Checking the parking brake
OBC3060005
Check the stroke of the parking brake by
counting the number of “clicks’’ heard
whilst fully applying it from the released
position.
Also, the parking brake alone should
securely hold the vehicle on a fairly
steep grade. If the stroke is more or
less than specified, we recommend that
the system be inspected by a HYUNDAI
authorised repairer.
Stroke : 5~7 “clicks’’ at a force of 20 kg
(44 lbs, 196 N).
WASHER FLUID PARKING BRAKE
Page 647 of 649
9-88
Maintenance
The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty
information contained in the Service
Passport in your vehicle.
Your vehicle is equipped with an
emission control system to meet all
emission regulations.
There are three emission control systems
which are as follows.
(1) Crankcase emission control system
(2) Evaporative emission control system
(3) Exhaust emission control system
In order to ensure the proper function
of the emission control systems, it is
recommended that you have your car
inspected and maintained by a HYUNDAI
authorised repairer in accordance
with the maintenance schedule in this
manual.
NOTICE
For the Inspection and Maintenance
Test (with Electronic Stability Control
(ESC) system)
[ 7 R S U H Y H Q W W K H Y H K L F O H I U R P P L V I L U L Q J
during dynamometer testing, turn
the Electronic Stability Control
(ESC) system off by pressing the ESC
switch.
[ $ I W H U G \ Q D P R P H W H U W H V W L Q J L V
completed, turn the ESC system back
on by pressing the ESC switch again.
1. Crankcase emission control
system
The positive crankcase ventilation
system is employed to prevent air
pollution caused by blow-by gases
being emitted from the crankcase. This
system supplies fresh filtered air to the
crankcase through the air intake hose.
Inside the crankcase, the fresh air mixes
with blow-by gases, which then pass
through the PCV valve into the induction
system.
2. Evaporative emission control
system
The Evaporative Emission Control
System is designed to prevent fuel
vapours from escaping into the
atmosphere.
Canister
Fuel vapours generated inside the fuel
tank are absorbed and stored in the
onboard canister. When the engine is
running, the fuel vapours absorbed in
the canister are drawn into the surge
tank through the purge control solenoid
valve.
Purge Control Solenoid Valve
(PCSV)
The purge control solenoid valve
is controlled by the Engine Control
Module (ECM); when the engine coolant
temperature is low during idling, the
PCSV closes so that evaporated fuel
is not taken into the engine. After
the engine warms up during ordinary
driving, the PCSV opens to introduce
evaporated fuel to the engine.
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