2003 Hyundai Coupe Owners Manual

DO-IT-YOURSELF MAINTENANCE
G050D02A-AAT
5.  Replace the radiator and reservoir caps and
check to  be sure the  drain cocks are  fully
closed and not leaking.
NOTE:
Do not clean or regap platinum-tipped spark
plugs.
To Change the Engine Coolant
The engine coolant should be changed at those
intervals specified in the  vehicle maintenance
schedule in Section 5.
WARNING:
G060B01GK-GAT
Replacing the Spark Plugs
The cooling fan is controlled by engine cool-
ant temperature and may sometimes oper-
ate even  when the  engine is  not running.
Use extreme caution when working near the
blades of the coolant fan so that you are not
injured by a  rotating fan blade.  As the en-
gine coolant temperature decreases, the fan
will automatically shut off. This is a normal
condition.
The  spark  plugs should  be  changed  at  the
intervals specified in the  vehicle maintenance
schedule in Section 5 or whenever engine per-
formance indicates  they should  be  changed.
Symptoms that suggest poor spark plug perfor-
mance include engine misfiring under load, loss
of fuel economy, poor acceleration, etc. When
spark  plugs are  replaced,  always use  spark
plugs recommended  by Hyundai.  The use of
other spark plugs  can result in loss  of perfor-
mance, radio interference or engine damage.
NOTE:
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.
2.
3.
4.
Be sure  your drain  receptacle is in  place.
Open the drain cock on  the radiator. Allow
all  the  engine  coolant  to  drain  from  the
cooling system, then securely close the drain
cock.
G060A02Y-GAT
SPARK PLUGS
DOHC
V6
NOTE:
When replacing  the  spark plugs,  genuine
Hyundai   replacement   parts  are   recom-
mended.
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 quan-
tity of engine coolant to the radiator.
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 counterclockwise.
Now fill  the radiator with  clean demineral-
ized or distilled water. Continue to add clean
demineralized or distilled water in small quan-
tities  until  the fluid  level  stays  up  in  the
radiator neck.
RecommendedSparkPlugs:
Type
Remark
RC10YC4(CHAMPION)
BKR5ES-11(NGK)
1.6/2.0L
Unleaded
Leaded
RC10PYPB4(CHAMPION)
PFR5N-11(NGK)
2.7L*
*: leaded one
YN60100A
RC10YC(CHAMPION)
BKR5ES(NGK)
Your engine was originally equipped with plati-
num-tipped spark plugs. (For 2.7L only).
Platinum-tipped spark plugs will last longer than
conventional type spark plugs and can be iden-
tified by blue lines on the ceramic shell.
1.6/2.0L
RC10YC(CHAMPION)
BKR5ES(NGK)
2.7L
*
Platinum coated.
6-8
Product Specification
Categories Hyundai Manuals, Hyundai Coupe Manuals
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- 310 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Coupe
Document File TypePDF
CopyrightAttribution Non-commercial
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