Does a blown head gasket ruin an engine?
A blown or cracked head gasket can cause one of two problems: It can allow coolant to escape from your engine. The result is a loss in coolant, which can lead to overheating of your engine if you drive it for any length of time.
What happens if you don't replace a head gasket?
Over time, head gaskets can start to leak. These leaks vary in terms of severity, and while a minor leak may simply increase oil or coolant consumption, a more severe leak or blown head gasket can cause complete loss of compression. It can also cause your cooling system to fail and make your car's engine overheat.
Can you just replace a head gasket?
Most blown head gaskets can be properly fixed without a mechanic. There is a point where the damage is too great and you will need the expertise of a professional to replace the gasket, but many leaks in a head gasket can be taken care of with one of our products.
Related Question Does a blown head gasket mean I need a new engine?
When should a head gasket be replaced?
It's time to replace your head gasket when there is…
Failure of the combustion seal results in a loss of compression in the engine and loss of power. This is normally obvious when it occurs and requires a replacement of the head gasket right away.
How do I know if my car needs a head gasket?
Making sure the engine is cool, remove the oil cap from the engine. If you can see white or light brown grime with a sludgy consistency then you are probably witnessing / diagnosing a blown head gasket - well done! And also, walk away!