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 ...

Most folks are aware that having a full coolant system is extremely important. Without proper cooling, your engine can overheat and cause severe damage or all-out destruction to your engine. However, ...

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 ...

The demands on modern engine-cooling systems are complex. Although increased performance, reduced fuel consumption, longer durability and cleaner emissions may appear to be at odds with each other, ...

Stricter emission standards, new pedestrian safety laws and the relentless push for reduced fuel consumption have triggered a flow of engine cooling innovations. Matthew Beecham reports on what’s in ...

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 ...

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 ...

Taking care of your engine is always a top priority. If not done correctly, it could lead to worse overall performance, make your car undrivable, and lead to a costly trip to the auto shop. While ...

Freeze plugs don't make your engine freeze up, and they aren't useful only when it's freezing out. They're a crucial part of ...