2003 Hyundai Coupe Owners Manual

DO-IT-YOURSELF MAINTENANCE
G060C02GK-GAT
Changing the Spark Plugs
HGK257
HGK258
WARNING:
NOTE:
HGK256
It is recommended that  the engine be cool
or cold  when changing the spark  plugs. If
the engine is  hot, you could burn yourself
on the insulated connector, the spark plug
or the engine itself.
Spark plugs should be tightened firmly. Over-
tightening can  damage the  threads in  the
aluminum cylinder head. Also, leaving them
too loose can  cause the spark  plug to get
very hot  and possibly result in  damage to
the engine.
You will find it easier  to change spark plugs if
the engine is  cold. Always change  one spark
plug at a time. This helps avoid getting the wires
mixed up.
1.
Remove the engine rocker cover.
4.
When  preparing to  remove the  old  spark
plug, guide the socket down over the spark
plug, being  careful not to  damage the  ce-
ramic insulator.
NOTE:
It is recommended that the spark plugs for
2.7L Engines should be changed by an au-
thorized Hyundai dealer.
7.  Replace the cable by pushing the insulated
connector directly down onto the electrode.
Check to be sure it has snapped into place
and  can't fall off.
5.
To  remove  the  old  spark  plug,  turn  the
wrench handle in a counterclockwise direc-
tion.
2
.  Using a clean cloth, remove any dirt that has
accumulated around the base of  the spark
plug so it cannot fall into the cylinder when
the spark plug is removed.
6.  To  install  the  new spark  plug,  guide  the
socket  down  over  the  spark  plug, being
careful not to damage the ceramic insulator.
3.
To remove the spark plug cable, pull straight
up on the insulated connector, not the cable.
Pulling on the cable may damage the carbon
core conductor.
6-9
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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