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Head Gaskets and Valve Covers
Ford Escort GT

How do you know if head gasket is blown?


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2008-08-28 00:22:24
2008-08-28 00:22:24

There are some clues. First and most obvious is that you are loosing coolant with no apparent leak. Other clues are a sweet smell from the exhaust, coolant in the oil, and the oil level above full. An engine miss or running rough with a loss of power. A foamy substance on the underside of the oil fill cap. Air bubbles escaping from the radiator, and of course last but not least the engine is overheating. A blown head gasket can destroy and engine in short order. Have this looked at immediately.

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what are you asking here? PLease be more specific ...like - how do I know if my head gasket is blown, or what do I do about a blown head gasket ......

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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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perform a pressure test on the cylinders. if they don't hold pressure it's a blown head gasket


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