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 ...

Engine coolant is essential for preventing overheating, yet many vehicle owners remain unsure how often they should inspect ...

In this video, I demonstrate how to test an AC compressor to determine if it is faulty. The two featured tests are quick and ...

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 ...

The "hot" in hot rod has meaning. High-performance engines make power through heat. Heat is as much a part of the performance equation as fuel, air and spark. Heat expands air and provides an optimum ...