What Causes a Head Gasket to Blow?

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Causes of a Blown Head Gasket:

The most common reason for a blown, or damaged, gasket is commonly a result of an engine that has gotten too hot. High engine temperatures are usually caused by a scarcity of coolant within the radiator, usually because of a leak. Some gaskets are likely to weaken prior to others counting on their material. Aluminum, for instance, expands faster when heated.

Metals that have a better thermal expansion rate are more sensitive to heat. Higher temperatures can cause the article to alter the shape, producing an unfavorable outcome. Expansion and distortion of the plate or cylinder head as a result of heat weakens its integrity preventing the top gasket from sealing properly.

When the top gasket has blown, it’s critical that it’s addressed immediately. Continuing to control a vehicle with a blown gasket can cause serious and irreparable damage to the engine. Because the gasket is employed as a seal, maintaining pressure is the key to engine power. Once the gasket blows, it’s not able to act as a seal and can allow pressure to flee, significantly reducing the engine’s power, one in all the few signs of a blown gasket.

Additionally, oil and coolant passageways may begin to leak into areas where they shouldn’t be. When coolant enters the combustion chambers, it mixes and dilutes the engine oil, while also decreasing the cooling capabilities of the cooling system, which can cause engine overheating.

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