How to Self-Diagnose a Blown Head Gasket: Key Signs & Tests

Learn how to self-diagnose a blown head gasket with key signs like white smoke and a compression test.

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To self-diagnose a blown head gasket, look for signs such as white smoke from the exhaust, bubbles in the radiator or coolant overflow tank, milky oil on the dipstick, or overheating engine. Another method is a compression test where low compression in one or more cylinders can indicate a blown gasket.

FAQs & Answers

  1. What causes a blown head gasket? A blown head gasket can be caused by overheating, engine wear, or manufacturing defects.
  2. What are the symptoms of a blown head gasket? Symptoms include white smoke from the exhaust, overheating, and milky oil.
  3. Can I drive with a blown head gasket? It's not advisable to drive with a blown head gasket as it can cause further damage to the engine.
  4. How much does it cost to repair a blown head gasket? Repair costs can range from $1,000 to $2,500, depending on the vehicle and severity of the damage.

Watch More

For more insights on car maintenance, check out our videos on common engine problems and tips for effective DIY car repairs.

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