2004-2009 Hyundai Tucson SUV DO-IT-YOURSELF MAINTENANCE -> CHECKING AND CHANGING THE ENGINE COOLANT User Manual
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DO-IT-YOURSELF MAINTENANCE -> CHECKING AND CHANGING THE ENGINE COOLANT for Your Hyundai Tucson SUV First Generation (2004-2009)

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DO-IT-YOURSELF MAINTENANCE
13
!
CHECKING AND CHANGING
THE ENGINE COOLANT
G050A01A-AAT
WARNING:
Do not remove the radiator cap
when the engine is hot. When the
engine is hot, the engine coolant
is under pressure and may erupt
through the opening if the cap is
removed. You could be seriously
burned if you do not observe this
precaution. Do not remove the
radiator cap until the radiator is
cool to the touch.
Water
65%
60%
50%
40%
35%
40%
50%
60%
G050B01A-AAT
Recommended Engine Coolant
Use a high quality ethylene-glycol
coolant in a 50/50 mix with water. The
engine coolant should be compatible
with aluminum engine parts. Addi-
tional corrosion inhibitors or additives
should not be used. The cooling sys-
tem must be maintained with the cor-
rect concentration and type of engine
coolant to prevent freezing and corro-
sion. Never allow the concentration of
antifreeze to exceed the 60% level or
go below the 35% level, or damage to
the cooling system may result. For
proper concentration when adding or
replacing the engine coolant, refer to
the following table.
G050C01A-AAT
To Check the Coolant Level
G050C01JM
HJM5004
Gasoline Engine
Diesel Engine
Ambient
temperature
°C ( °F)
-15 (5)
-25 (-13)
-35 (-31)
-45 (-49)
Engine coolant concentration
Antifreeze
solution
The coolant level can be seen on the
side of the plastic coolant reservoir.
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DO-IT-YOURSELF MAINTENANCE
14
4. Turn the radiator cap counterclock-
wise without pressing down on it,
until it stops. This relieves any pres-
sure remaining in the cooling sys-
tem. And remove the radiator cap
by pushing down and turning coun-
terclockwise.
Now fill the radiator with clean dem-
ineralized or distilled water. Con-
tinue to add clean demineralized or
distilled water in small quantities
until the fluid level stays up in the
radiator neck.
HJM5034
G050D01JM-AAT
To Change the Coolant (2.0L)
NOTE:
It is recommended that coolant for
engine 2.7L should be changed by
an authorized Hyundai dealer.
The engine coolant should be changed
at those intervals specified in the ve-
hicle maintenance schedule in Sec-
tion 5.
!
CAUTION:
Engine coolant can damage the
finish of your car. If you spill en-
gine coolant on the car, wash it off
thoroughly with clean water.
1. Park the car on level ground, set the
parking brake and remove the radia-
tor cap when cool.
2. Be sure your drain receptacle is in
place. Open the drain cock on the
radiator. Allow all the engine cool-
ant to drain from the cooling sys-
tem, then securely close the drain
cock.
3. Check Section 9 for the capacity of
the cooling system in your car.
Then, following the manufacturer's
directions on the engine coolant
container, add the appropriate
quantity of coolant to the radiator.
The level of the coolant should be
between the "L" and "F" lines on the
reservoir when the engine is cool. If
the level is below the "L" mark, add
engine coolant to bring it up between
"L" and "F". If the level is low, inspect
for coolant leaks and recheck the
fluid level frequently. If the level drops
again, visit your Hyundai dealer for an
inspection and diagnosis of the rea-
son.

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