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What is a head gasket on an automobile?

Updated: 8/16/2019
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16y ago

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The head gasket is a seal between the upper and lower halves of an engine. The seal runs between several channels within the engine block that segment water and oil... If you have blown a head gasket, your engine is either blowing white smoke from the exaust - meaning the seal has allowed water and oil to mix; Or you are venting either water, or oil, from the actual seal (gasket) - In any event, you have to take the top-half of the engine off, and replace the gasket. Depending on how much your vehicle is worth, this may or may not be a worth-while effort.

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Q: What is a head gasket on an automobile?
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