Little oil on spark plug.. Problem? - Mercedes Benz SLK Forum

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#1 Old 09-05-2013
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Little oil on spark plug.. Problem?

Did a spark plug change today (not as hard as some are making out, just tight space). The sawed off 17mm wrench mentioned by other is a must.

All my plugs looked good (2002 with 82,000 km and original plugs). Only one plug had some oil at the nut and base of the porceline (second from firewall on passenger side). Could this be a problem. Looked good and dry, clean from inside the head and the other plug in the same cylinder was dry. (Photo attached,,, I hope).

Thanks,
Rob
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#2 Old 09-05-2013
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moving to the r170 general discussion section

The diy section is for already made diys
Someone will respond if they can assist


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#3 Old 09-05-2013
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You probably have a slight valve cover leak allowing some oil to puddle up in the head where the plugs screw in. Plugs look good.
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#4 Old 09-05-2013
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Thats what I was thinking. Feels better to hear from others what my assessment was and that my thinking is probably correct. Thanks for the response.
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