As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

With more advanced engine metallurgy and design, and the demand for increased fuel efficiency and lower emissions, engine operating temperatures have increased more than 40 F in the last 50 years.

Your vehicle’s cooling system is more than just a radiator, water pump, thermostat, fan, and coolant. Well, OK, it is exactly that, but there is a lot more to an effective cooling system than just the ...

How hot does your engine run? Is it on the cool side? The hot side? Where should it be? How big of a radiator should you run? Antifreeze or water? Tap or distilled? Do you need a pressurized cooling ...