Key Symptoms of a Blown Head Gasket on LML Duramax
Introduction to LML Head Gaskets The 2011–2016 LML Duramax engine is known for its reliability, power, and towing capability. However, like any high-compression diesel, it can face head gasket issues over time—especially under heavy loads, high mileage, or tuning. When the lml head gasket fails, the engine begins to show several warning signs that shouldn’t be ignored. Detecting these symptoms early can prevent expensive engine damage and help owners plan timely repairs. Understanding how these signs show up in real driving conditions is essential for anyone who owns, services, or works on an LML Duramax. Blown head gaskets rarely fail instantly. Instead, they typically worsen gradually, starting with overheating, subtle coolant loss, or unusually pressurized hoses. This guide breaks down the key symptoms you should look for so you can diagnose problems before they escalate into major engine repairs. Overheating Issues One of the earliest and most common signs of LML Duramax...