Antifreeze

A chemical solution added to the coolant (water) to prevent freezing; usually ethylene glycol and anticorrosion chemicals. Ethylene glycol resists evaporation, but the anticorrosion elements in the antifreeze may be used up in one year, depending on the amount and type of driving.

How to Flush Brake Fluid

Every wonder what's up with brake fluid flushes? Learn why about brake fluid flushes, why they matter and how they're done.

Your Antifreeze/Coolant Questions Answered

Have a question about your car's coolant? We compiled answers to some of the most commonly asked question.

How Does Radiator Stop Leak Work?

Ever wonder how these chemicals put a stop to leaks? Learn how redior stop leaks work and how it can help you with your radiator leak.

How to Check Your Coolant Level

Want to take a look at your car's coolant level? Learn how to check it and add coolant if needed.

AutoZoner explaining coolant to a customer to ensure answer any antifreeze questions

What Is Antifreeze and What Does It Do?

Ever find yourself wondering about how automotive coolants work? Us too. Learn what you need to know about antifreeze.

Woman storing her car for the winter with a Budge cover

How to Properly Store Your Car in Winter

Got a car you won't be driving this winter? Learn how to store it.

Diagram showing the locations of major components in the engine cooling system

How the Cooling System Works and How to Maintain It

Your vehicle's cooling system keeps your engine from overheating by pushing coolant that is cooled in the radiator through passages on the engine block and head.

Antifreeze on the parts counter at an AutoZone store.

What To Know About Disposing of Antifreeze

Antifreeze should be recycled properly and immediately cleaned if spilled. Here's what you need to know about disposing of your antifreeze.

How to Flush a Radiator

Engine coolant, or antifreeze, helps keep your vehicle keep it's cool. Learn how you can keep your cooling system in shape by flushing and filling the system.