Head Gaskets Explained – What They Do and Why They Fail
This video had much more information than I thought it would. I actually had to trim it down from an hour. There is just so much to talk about with something that seems so simple. Blown head gasket? You’ve probably heard the term—but what does it really mean? In this video, we explain exactly what a head gasket does, how it fails, why it’s such a costly repair, and what you can do to prevent it.
🔧 You’ll learn:
What a head gasket is and what it seals
Symptoms of a blown head gasket (overheating, white smoke, milky oil)
Why overheating is often the cause—not the result—of failure
Common head gasket codes and diagnostic clues Why head gasket failure is more common in some engines (like Subaru)
How we test for a blown gasket (combustion leak test, pressure testing)
What’s included in a proper head gasket repair
When it’s worth fixing vs moving on
Tips for preventing head gasket damage (cooling system health!)
This is essential info for Subaru, Toyota, Honda, Ford, and other aluminum-head engines.
⚠️ Ignoring early signs can lead to catastrophic engine damage. Don’t wait.
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