What Is A Head Gasket, How Does It Work, & What Does It Mean To Blow A Head Gasket?

►A blown head gasket is one of those commonly mentioned terms you'll run into over the years, whether you're interested in cars or not. It's something you will hopefully never have to experience, but you should know what it means and how it happens just in case.

To put it simply, a blown head gasket is when the gasket that secures the cylinder head to the engine block has failed. Coolant, oil, or combustion gasses from the cylinder can then leak out through the failed gasket. The consequences of this can range from a visible leak of oil or coolant to a noticeable reduction in performance and driveability.

Watch episode 2 of Automotive Slangs Explained to dive deeper into the topic of a blown head gasket and to see what this looks like as it happens inside your engine.

Index:
00:00 - Intro
00:53 - What is a blown Head Gasket
01:24 - What is a Head Gasket?
03:15 - Why do Engines Even Need Head Gaskets?
04:41 - What Happens When a Head Gasket Fails
07:28 - Why Does a Head Gasket Fail?
09:50 - Recap

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