Distorted and damaged metal around spark plug holes
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Distorted and damaged metal around spark plug holes
I am in the process of replacing the valve cover gaskets and spark plug hole bushings on my 2011 Acura TL and once I got the rear cover off I noticed there is extensive damage to the metal surrounding the spark plug holes. I then pulled the front cover and although not as bad, the metal under the seals also had considerable damage. I'll be replacing both covers. I've never seen anything like this. What would cause this to happen? Excessive heat?
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