Head gasket

（重定向自Cylinder head gasket）

A replacement head gasket sitting loosely on top of a four-cylinder **** Vauxhall Astra engine block. Once positioned correctly the cylinder head will be bolted down on top of it, using a torque wrench.

A damaged head gasket can allow gases to leak between cylinders.

A head gasket is a gasket that sits between the engine block and cylinder head(s) in an internal combustion engine.

Its purpose is to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders; as such, it is the most critical sealing application in any engine, and, as part of the combustion chamber, it shares the same strength requirements as other combustion chamber components.

单词	Cylinder head gasket
释义	Cylinder head gasket 英语百科 Head gasket （重定向自Cylinder head gasket） A head gasket is a gasket that sits between the engine block and cylinder head(s) in an internal combustion engine. Its purpose is to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders; as such, it is the most critical sealing application in any engine, and, as part of the combustion chamber, it shares the same strength requirements as other combustion chamber components.
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