3 Common Signs of a Blown Head Gasket

3 Common Signs of a Blown Head Gasket

The main purpose of the head gasket is to keep both oil and coolant away from the combustion chamber to maintain the right pressure and contain exhaust gasses, therefore improving the efficiency of the engine. Typically, the combustion chamber is being sealed by the head gasket, which is positioned between the cylinder head and the engine block.

Driving with a blown head gasket could result in major repair problems for any driver, including oil contamination, radiator issues, and erosion of the engine block, which can prove costly. Look out for these 3 common signs that indicate the possibility of a blown head gasket.

Faulty Exhaust Pipe

If there’s white smoke coming out from your exhaust, it could be an indicator that your head gasket is blown. This is since the coolant is evaporating during the combustion process, which is the result of a faulty head gasket. The water which escapes from the exhaust pipe could also prove to be an indicator of this, so pay attention.

Oil Contamination

If you have a blown head gasket, the oil could become contaminated because of the leaking coolant. If left unchecked, this “mixture” of oil and coolant could result in major car problems. Over time, the mix of water and oil turns a milky white color. So, if there’s a milky residue on the oil cap, your oil is contaminated, which is usually a sign of a blown head gasket.

Engine Troubles

If your car’s engine is prone to overheat, the cause might be a blown head gasket. Because of the excess heat, produced from a faulty combustion process, and the radiator’s inability to cool the contaminated coolant, metal components can expand which almost always leads to permanent damage. If your engine is left for too long without any repair, this could result in the replacement of the entire engine.


A blown head gasket, if not dealt with quickly, can cause major engine problems. When you are driving your vehicle, look out for these common signs. If you need further advice or your car needs servicing, get in touch with your gasket installation expert, and get it serviced.

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