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1

Unless there is something different about your engine, I can’t see how a leaking head gasket could cause coolant to get to the the plug hole. Maybe a crack in the head would allow coolant there. Often the plug hole is surrounded by oil in the rocker cover and a leaking seal will let oil get to the plug, but not coolant. Are there coolant pipes running near ...


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Were the heads decked (checked and milled perfectly flat) when you last had the head gasket replaced? This indicates that they weren't, and you'll never get a good seal if there is any warping on the heads.


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Does coolant fluid in the cylinder well indicate gasket failure again? Indeed it does! Or it may also mean that the original problem was not actually a head gasket. The next likely causes are warped or cracked cylinder head or engine block.


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