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Q: theres oil in one of my sparkplugs on 1997 Buick Skylark

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
they said it was valve cover seals need to be replace
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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I couldnt find a good parts diaghram on your engine but you may have seals at the end of each tube that runs down to the spark plugs,there easy to change and should come with the valve cover gasket set ,they are 4 o rings about 1 inch in diameter,and they attach to the end of each tube.
If you remove the valve cover you will see the orings at the end of each sparkplug tube they ussualy just pull off and you can put the new ones right back on.you might want to get a manual on this,but it is a simple repair you can do.
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