What Is a Blown Head Gasket

What is a Blown Head Gasket? A blown head gasket happens when the seal between the cylinder head and engine block fails. … When the head gasket fails, these channels are no longer sealed, which can result in coolant leaks, oil leaks or gases escaping from the combustion chamber.

Is it worth fixing a blown head gasket?

A vehicle’s head gasket is worth fixing, so long as the vehicle was in good condition prior to head gasket failure. To help calculate if it’s worth fixing, follow this 3 step process: Determine the resale value of your vehicle if repaired. Get repair cost estimates.

What is the main cause of a blown head gasket?

Engine overheating is one of the most common causes of a blown head gasket. When the engine gets too hot, the gasket is exposed to temperatures outside of what it is meant to handle. … Overheating can also cause warping or cracking in the cylinder head or engine block, preventing the head gasket from sealing correctly.