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How is a blown head gasket caused?

Updated: 10/25/2022
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16y ago

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A blown head gasket is usually caused by over filling the oil during an oil change, or just the opposite not having enough oil to compensate the pressure status, therefor causing exstreme overheating which in turn will cause many problems other than just a blown gasket. ie; engine locks up, overheats ,and then is all around just needs replacing. Once you've blown your engine you basically have hit bottom. Hope this helps.

It can also be caused by detonation. Especially if you add turbo or supercharger aftermarket.

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Q: How is a blown head gasket caused?
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How do you know if it is a blown headgaskets?

There are several possible indications of a blown head gasket: If the head gasket is blown between adjacent cylinders there will be poor or no compression in either cylinder. Poor compression in any cylinder can be caused by a blown head gasket. That condition can also be caused by a burned valve or piston. Coolant in the crank case can be caused by a blown head gasket. Compression in the coolant can be caused by a blown head gasket. An engine with a blown head gasket usually loses performance and runs poorly or not at all.


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