How do you tell if you have a blown head gasket on a DuraMAX?
How do you tell if you have a blown head gasket on a DuraMAX? If your temperature gauge suddenly starts running colder than it always has, you may have a head gasket problem. The quickest and easiest way to check for combustion pressure in the coolant system is to squeeze the upper radiator hose while the truck is running. What are the symptoms of a bad coolant tank? Below are common symptoms that may appear with a faulty coolant expansion tank. As coolant gets hot due to it absorbing heat from the engine, the liquid expands and creates additional pressure...