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Discussion Starter #1
I changed my spark plugs the other day, when I pull then this is what it looked like.

What is is? Is it something I should be considered about?

(2013ST 55k)

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Thanks in advance
 

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I have never seen that before so I don't know what it is.

But based on the location of the crud on the threads tells me it's not getting into or coming from the combustion chamber. Due to this, I wouldn't be too concerned.

I would pay more attention to the electrode end.
 

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It was on the inside of the coil pack as well, if that's what you mean.
yeah. that's dielectric grease. it's put on the boot to keep the rubber boot from sticking to the porcelain on the spark plug over time. that's normal, though whoever did that put waaay too much on IMHO.
 

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If its inside the cylinder head that is condensation that is usually caused by a bad head gasket. Look under the oil cap if you have the same foam. Then its a bad head gasket
 

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Discussion Starter #9
yeah. that's dielectric grease. it's put on the boot to keep the rubber boot from sticking to the porcelain on the spark plug over time. that's normal, though whoever did that put waaay too much on IMHO.
Thank you, I'm glad that is wasn't something bad. I appreciate it.
 

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If its inside the cylinder head that is condensation that is usually caused by a bad head gasket. Look under the oil cap if you have the same foam. Then its a bad head gasket
That stuff fell into the combustion chamber, when I pulled the spark plugs.
 

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That stuff fell into the combustion chamber, when I pulled the spark plugs.
ohh ok dont worry about it. What that is was water from when you washed the motor and even rain, found its way down the coils and heat and water form that foam. Dont worry about it.
 

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Just needs an Italian tune up.
 
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