Anyone remotely familiar with diesel engines understands the importance of oil and coolant, as they are the lifeblood of the powerplant. Oil lubricates, water cools—and one without the other typically ...

The answer to whether your car needs an oil cooler will depend on multiple variables. Excess heat, such as when an engine overheats, can easily damage or kill any gasoline or diesel engine. It's why ...

Engine oil and coolant are the interrelated lifeblood of the 6.0L Power Stroke, and if a clot should form or the fluids become mixed, serious internal trauma is likely. Like most diesel engines, the 6 ...