Head gasket
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==Overview== | ==Overview== | ||
| − | The '''cylinder head gasket''' | + | The '''cylinder head gasket''' provides the critical seal between the engine block and the [[cylinder head]]. They seal the combustion in the [[combustion chamber]]s and keep [[coolant]] contained to the cooling ports in the heads and block. |
| − | Blown head gaskets can be caused by various engine problems, and can be detected with certain techniques. Left unfixed, a blown head gasket could cause severe engine damage. Many symptoms of a bad head gasket are not apparent until the problem is very bad, including the ones listed later in this article | + | Blown head gaskets can be caused by various engine problems, and can be detected with certain techniques. Left unfixed, a blown head gasket could cause severe engine damage. Many symptoms of a bad head gasket are not apparent until the problem is very bad, including the ones listed later in this article. In my experience the oil pressure gauge acting funny while the car seems to run pretty normal is a good indicator you may have a bad head gasket. The pressure can be high or with a mechanical gauge it bounces around normal at an idle, when things are running right the dial should be completely steady. |
Various different types of head gaskets exist today, for different applications. Care must be taken in removal of the old gasket, selection of a new gasket and proper installation of the new gasket. | Various different types of head gaskets exist today, for different applications. Care must be taken in removal of the old gasket, selection of a new gasket and proper installation of the new gasket. | ||
| − | [[Image:Head gasket ford 298-302.jpg|thumb|left|220px|Head gasket Ford 289 - 302 CID]]<br style="clear:both"/> | + | [[Image:Head gasket ford 298-302.jpg|thumb|left|220px|Head gasket Ford 289 - 302 CID]]<br style="clear:both"/> |
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==Head gasket basics== | ==Head gasket basics== | ||
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