Coolant is generally the most neglected fluid on a truck, and it leads to significant woes downstream. In fact, Lawrence Wong, product technical specialist for Chevron Lubricants, said about 40% of ...

All cars are air cooled! Anyone who doesn't think so should try driving with the radiator covered. True, the engine is liquid cooled. The liquid—calledcoolant—may be water, alcohol and water, ethylene ...

Your vehicle's engine cooling system is one of its most critical components. Its primary responsibility is to cycle coolant — which is a 50/50 mixture of water and antifreeze — through your engine to ...

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 ...