Hyundai 2004 Santa Fe Owner's Manual page 203

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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.
Additional corrosion inhibitors or additives should
not be used. The cooling system must be
maintained with the correct concentration and
type of engine coolant to prevent freezing and
corrosion. 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.
Ambient Engine Coolant concentration
temperature Antifreeze
°F (°C) solution
5 (-15)
35%
-13 (-25)
40%
-31 (-35)
50%
-49 (-45)
60%
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To Check the Coolant Level
The coolant level can be seen on the side of the
plastic coolant reservoir. The level of the cool-
ant should be between the "L" and "F" lines on
Water
the reservoir when the engine is cool. If the level
is below the "L" mark, add engine coolant to
65%
bring it up between "L" and "F". If the level is low,
60%
inspect for coolant leaks and recheck the fluid
50%
level frequently. If the level drops again, visit
your Hyundai dealer for an inspection and
40%
diagnosis of the reason.
DO-IT-YOURSELF MAINTENANCE
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To Change the Engine Coolant
The engine coolant should be changed at those
intervals specified in the vehicle maintenance
schedule in Section 5.
CAUTION:
Engine coolant can damage the finish of
your car. If you spill engine coolant on the
car, wash it off thoroughly with clean water.
1. Park the car on level ground, set the park-
ing brake and remove the radiator cap when
cool.
G050C01O
2. Turn the radiator cap counterclockwise with-
out pressing down on it, until it stops. This
relieves any pressure remaining in the cool-
ing system. And remove the radiator cap by
pushing down and turning counterclock-
wise.
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