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 ...

Many drivers wonder if red coolant is better than green, especially with so many options on the market. Red coolant generally lasts longer and offers stronger corrosion protection, while green coolant ...

Are you confused by coolant colors? You are not alone. Almost all of the antifreeze/coolant sold is made from about 95 percent ethylene glycol. So why do they vary so much in color? Different additive ...

It's 2002. Do you know where your corrosion inhibitors are? Some folks take the yawn approach to what goes on between consenting chemicals in the steamy privacy of a car's cooling system. Not me. And ...

Many engine failures can be chalked up to cooling problems. Engine coolant plays a vital part in keeping your engine running in top shape (and just running period) and prolonging the life of the ...

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 ...

QUESTION: I have a '97 Chevy pickup with a 5.7-liter engine and less than 97,000 miles. The garage replaced the red coolant with the green antifreeze. The manual says to use red. The garage said no ...

There are few automotive gremlins as pervasive as a leaky radiator. Nearly everyone and their mothers have stories about waking up one fine autumn morning, going out to the car, and finding a massive ...

Flushing and replacing coolant is a moderately difficult repair job. Consult the owner's manual, your car’s manufacturer, or a trusted mechanic for more specific information on your vehicle. You take ...

If you've noticed an odd, sweet smell coming from your car after you shut the engine off you might have an antifreeze leak. Antifreeze plays a key part in keeping your engine running properly, so it's ...