Duramax diesel engines have been featured in various vehicles, notably GM trucks, for decades. Why do some of these engines ...

Responsible car ownership means checking your fluid levels at least once or twice a month. If you are a first-time diesel engine owner, you may wonder if it's safe to use regular coolant in your ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...

My 2016 Mazda CX-5’s diesel engine is creating pressure, forcing coolant into filler tank. When the coolant level in the radiator drops, the engine begins to overheat. The overheating is far from a ...