Open the drain valve (drain cock) at the bottom of the radiator and let the existing coolant flow out by gravity. Then refill ...

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 ...

GM releases fix for Chevy Colorado and GMC Canyon coolant leaks. Bulletin PIT6494A addresses degraded hose seals on 2023-2026 ...

Automotive coolant replacement methods can be broadly categorized into simple drain and circulation replacement. The circulation method is recommended over simple draining and refilling for several ...

Regularly checking your car’s coolant during summer is essential to prevent engine overheating and costly mechanical damage.

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 ...

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 coolant inside your car's engine does more than keep it cool. Although your engine will run fine with regular water, coolant has anti-freeze and lubricating properties to prevent corrosion to ...

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 ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. The coolant light glowing blue ...

When it comes to diesel or natural gas engines, no one wants to mess around with cooling problems. The wrong coolant or poor maintenance can turn into costly repairs very quickly. That's why Cummins, ...