2017 Hyundai Elantra cooling system

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Driving your vehicle
Maintenance when towing a
trailer
Your vehicle will need service more
often when you regularly pull a trail-
er. Important items to pay particular
attention to include engine oil, auto-
matic transmission fluid, axle lubri-
cant and cooling system fluid. Brake
condition is another important item to
frequently check. If you're trailering,
it's a good idea to review these items
before you start your trip. Don't forget
to also maintain your trailer and
hitch. Follow the maintenance sched-
ule that accompanied your trailer and
check it periodically. Preferably,
inspect the vehicle and trailer at the
start of each day's driving. Inspect
the hitch mounting to make sure the
hitch is properly secured to the vehi-
cle. Inspect the trailer electrical
wiring to make sure brake lights, turn
signal lights, running lights, and haz-
ard lights are working properly.To prevent vehicle damage:
• Due to higher load during trailer
usage, overheating might occur
on hot days or during uphill driv-
ing. If the coolant gauge indi-
cates over-heating, switch off
the air conditioner and stop the
vehicle in a safe area to cool
down the engine.
• When towing check the automat-
ic transmission fluid more fre-
quently. (Note: This is not appli-
cable for vehicles equipped with
the dual clutch transmission.)
• If your vehicle is not equipped
with an air conditioner, you
should install a condenser fan
to improve engine performance
when towing a trailer.
NOTICE

6-8
What to do in an emergency
If your temperature gauge indicates
overheating, you experience a loss
of power, or hear loud pinging or
knocking, the engine may be over-
heating. If this happens, you should:
1. Pull off the road and stop as soon
as it is safe to do so.
2. Place the shift lever in P (Park, for
automatic transmission vehicle) or
neutral (for manual transmission
vehicle) and set the parking brake.
If the air conditioning is ON, turn it
OFF.
3. If engine coolant is running out
under the vehicle or steam is com-
ing out from the hood, stop the
engine. Do not open the hood until
the coolant has stopped running
or the steaming has stopped. If
there is no visible loss of engine
coolant and no steam, leave the
engine running and check to be
sure the engine cooling fan is
operating. If the fan is not running,
turn the engine off.4. Check for coolant leaking from the
radiator, hoses or under the vehi-
cle. (If the air conditioning had been
in use, it is normal for cold water to
be draining from it when you stop.)
5. If engine coolant is leaking out, stop
the engine immediately and we rec-
ommend that you call an authorized
HYUNDAI dealer for assistance.
IF THE ENGINE OVERHEATS
While the engine is
running, keep hands,
clothing and tools
away from the mov-
ing parts such as the
cooling fan and drive
belt to prevent seri-
ous injury.
WARNING
NEVER remove the
radiator cap or the
drain plug while the
engine and radiator
are hot. Hot coolant
and steam may blow out under
pressure, causing serious injury.
Turn the engine off and wait
until the engine cools down.
Use extreme care when remov-
ing the radiator cap. Wrap a
thick towel around it, and turn it
counterclockwise slowly to the
first stop. Step back while 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 counterclock-
wise to remove it.
WARNING

6-9
What to do in an emergency
6
6. If you cannot find the cause of the
overheating, wait until the engine
temperature has returned to nor-
mal. Then, if coolant has been
lost, carefully add coolant to the
reservoir to bring the fluid level in
the reservoir up to the halfway
mark.
7. Proceed with caution, keeping
alert for further signs of overheat-
ing. If overheating happens again,
we recommend that you call an
authorized HYUNDAI dealer for
assistance.
•Serious loss of coolant indi-
cates a leak in the cooling
system and we recommend
the system be checked by an
authorized HYUNDAI dealer.
•When the engine overheats
from low engine coolant, sud-
denly adding engine coolant
may cause cracks in the
engine. To prevent damage,
add engine coolant slowly in
small quantities.
CAUTION

Maintenance
7-12
Normal Maintenance Schedule (Cont.) – Gasoline Engine (For Europe)
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
Fuel filter *5II
Fuel lines, hoses and connectionsII
Cooling system
Inspect “Coolant level adjustment and leak” every day
At first, inspect at 60,000 km (40,000 miles) or 48 months
after that, inspect every 30,000 km (20,000 miles) or 24 months
Engine coolant *6At first, replace at 210,000 km (120,000 miles) or 10 years:
after that, replace every 30,000 km (20,000 miles) or 24 months *7
Battery conditionIIIIIIII
Brake lines, hoses and connectionsIIIIIIII
Brake pedal, Clutch pedal (if equipped)IIII
Parking brakeIIII
MAINTENANCE INTERVALS
MAINTENANCE
ITEM
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*
5: The fuel filter is considered to be maintenance free but periodic inspection is recommended for this maintenance schedule depends on fuel quality. If there are some important matters like fuel flow restriction, surging, loss of power, hard starting p rob-
lem etc, we recommend replacing the fuel filter immediately regardless of maintena\
nce schedule and consulting with an author-
ized HYUNDAI dealer for details.
*
6: When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at
the factory. An improper coolant mixture can result in serious malfunction or engine damage.
*
7: For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.

Maintenance
7-18
Normal Maintenance Schedule (Cont.) – Gasoline Engine (Except Europe)
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*
8: When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled atthe factory.
An improper coolant mixture can result in serious malfunction or engine damage.
*
9: For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
Cooling system
Inspect “Coolant level adjustment and leak” every day
At first, inspect 60,000 km (40,000 miles) or 48 months
after that, inspect every 30,000 km (20,000 miles) or 24 months
Engine coolant *8At first replace at 200,000 km (120,000 miles) or 10 years:
after that, replace every 40,000 km (25,000 miles) or 24 months *9
Battery conditionIIIIIIII
Brake lines, hoses and connectionsIIIIIIII
Brake pedal, Clutch pedal (if equipped)IIII
Parking brakeIIII
Brake/clutch fluidIIIIIIII
Disc brakes and padsIIIIIIII
MAINTENANCE INTERVALS
MAINTENANCE
ITEM

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7
Maintenance
Normal Maintenance Schedule (Cont.) – Diesel Engine
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*
4: This maintenance schedule depends on fuel quality. It is applicable only when using a qualified fuel < "EN590 or equivalent">.If the diesel fuel specification doesn't meet the EN590, it must be replaced more frequently. If there are some important safety
matters like fuel flow restriction, surging, loss of power, hard starting problem etc, replace the fuel filter immediately regardless
of maintenance schedule and we recommend that you consult an authorized HYUNDAI dealer for details.
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,00012.52537.55062.57587.5100
Km×1,00020406080100120140160
Fuel filter cartridge *4IIRIIRII
Fuel lines, hoses and connectionsIIIIIIII
Cooling systemInspect “Coolant level adjustment and leak” every day
Inspect “Water pump” when replacing the drive belt or timing belt
Engine coolant *5At first, replace at 100,000 km (62,500 miles) or 60 months:
after that, replace every 40,000 km (25,000 miles) or 24 months *6
Battery conditionIIIIIIII
MAINTENANCE INTERVALS
MAINTENANCE
ITEM

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7
Maintenance
Air cleaner filter
We recommend that the air cleaner
filter be replaced by an authorized
HYUNDAI dealer.
Spark plugs
Make sure to install new spark plugs
of the correct heat range.
Valve clearance
Inspect excessive valve noise and/or
engine vibration and adjust if neces-
sary. We recommend that the system
be serviced by an authorized
HYUNDAI dealer.
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 mainte-
nance schedule.
Automatic transmission fluid
Automatic transmission fluid should
not be checked under normal usage
conditions.
We recommend that the automatic
transmission fluid changed by an
authorized HYUNDAI dealer accord-
ing to the maintenance schedule.
Information
Automatic transmission fluid color is
basically red.
As the vehicle is driven, the automatic
transmission fluid will begin to look
darker.
It is normal condition and you should
not judge the need to replace the fluid
based upon the changed color.
The use of a non-specified fluid
could result in transmission mal-
function and failure.
Use only specified automatic
transmission fluid. (Refer to
“Recommended lubricants and
capacities” in section 8.)
NOTICE
i
Do not disconnect and inspect
spark plugs when the engine is
hot. You may burn yourself.
WARNING

7
Maintenance
ENGINE COOLANT
Removing radiator
cap
•Never attempt to remove the
radiator cap while the engine
is operating or hot.
(Continued)
WARNING
(Continued)
Doing so might lead to cooling
system 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. Wrap a thick
towel around it, and turn it
counterclockwise slowly to
the first stop. Step back while
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 oper-
ating, do not remove the radia-
tor cap or the drain plug while
the engine and radiator are
hot. Hot coolant and steam
may still blow out under pres-
sure, causing serious injury.
OAD075009
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 traveling
to a colder climate.
• When the engine overheats from
low engine coolant, suddenly
adding engine coolant may
cause cracks in the engine. To
prevent damage, add engine
coolant slowly in small quanti-
ties.
• Do not drive with no engine
coolant. It may cause water pump
failure and engine seizure, etc.Checking the engine coolant
level
NOTICE
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