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 ...

Internal combustion engines require many types of fluids to operate smoothly. One of the most essential is coolant. Coolant is that green, yellow, pink, or purple fluid that goes inside the radiator ...

As The Turtle Expedition made final preparations for our Trans-Siberian Expedition, we knew we would be driving and camping in temperatures below -85 degrees Fahrenheit. That's 117 degrees below ...

Editor’s note: This article was last updated on May 30, 2021. It has been reviewed by Cars.com Senior News Editor Jennifer Harrington and is still accurate. Though coolant and antifreeze are often ...

Checking your coolant level could be the difference between a blown engine and a safe journey. Especially if you live in a hot climate or tow on a regular basis, checking how much coolant you have is ...

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 ...

Your vehicle is a complicated piece of machinery, and keeping it running smoothly requires periodic inspections and maintenance of its various systems, including your engine’s cooling system and the ...

Understand the difference between coolants, and how to look for problems. Coolant (sometimes referred to as antifreeze or radiator fluid) is used to regulate your engine temperature and prevent it ...

Some aspects of vehicle maintenance get a lot of attention, and some get almost no attention at all. For example, regularly checking your oil level and changing the oil and oil filter are probably not ...

Proper cooling is critical to any engine. Without some way to remove the heat created during the combustion process, the engine will quickly become a lump of scrap metal. But today's coolants provide ...