Engine Cooling Archives

AutoZoner and customer talking while standing over the open engine bay of a compact sedan

Why is my car overheating?

It can be stressful to have your car over heat and you don't know why. Here are some common causes for an overheating engine.

Your Antifreeze/Coolant Questions Answered

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

A woman tightening the lid on her vehicle's antifreeze reservoir.

Understanding Different Types of Antifreeze

Do you hear IAT, OAT, and HOAT, and wonder what it all means? Learn about the different types of antifreeze to determine what's right for your vehicle.

How To Find and Fix Coolant Leaks

Learn your way around the cooling system so you can spot and stop coolant leaks.

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.

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.

What's Causing My Coolant Reservoir to Overflow?

Have you noticed an overflow coming from your coolant reservoir? This article highlights possibilities that could be causing your coolant to leave its closed system space.

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.