Tagfluids

Searching for fluids info? Check out all the fluids related articles here on the NAPA Know How blog. We’ve got Know How for all!

Posted November 19, 2019 Maintenance

How To Check Brake Fluid Before There’s a Problem

Knowing when and how to check brake fluid can save you a few bucks or just flat out save you.

Posted November 8, 2019 Know How

Water vs. Antifreeze: Which Is Safest for Your Car?

Here’s what to consider when deciding between water vs. antifreeze for your car’s cooling system.

Dirty windshield driving into the sunset

Posted October 24, 2019 Know How

Think All Windshield Wiper Fluid Varieties Are the Same? Think Again

Everyone wants to look out of a clean, streak-free windshield when they are behind the wheel. To be honest, windshield wiper fluid is rarely something one thinks about. But when … Continue Reading Think All Windshield Wiper Fluid Varieties Are the Same? Think Again

Pouring coolant into a reservoir. You may know coolant colors, like purple, green, and blue, but there's another type of coolant called Hybrid Organic Acid Technology. Here's the lowdown on these super-protective family of coolants.

Posted October 4, 2019 Know How

What Is OAT Coolant?

What is OAT coolant? Can you mix it with HOAT or IAT?

A car's radiator cap. Keep on top of your radiator's condition to ensure safe and reliable motoring all season long.

Posted August 30, 2019 Know How

4 Symptoms Of A Bad Radiator

These symptoms of a bad radiator will help you catch the culprit before it leaves you stranded.

A coolant cap on a car. There are three major types of coolant, which include HOAT, OAT and IAT. Here's how to tell the difference between the three and four things to know about HOAT.

Posted June 27, 2019 Featured

What Is HOAT Coolant? 4 Things You Need To Know

Engines are complex machines with rapidly moving metal parts and small clearances. And as such, they generate a lot of heat. You already know that coolant is an integral part of keeping your engine from exploding, and you probably also know that you have multiple coolant options that aren’t interchangeable…

Fresh transmission fluid. Completing a transmission fluid flush on your car is an important part of automotive maintenance. Here are the basics on why it's important.

Posted June 25, 2019 Know How

What Is A Transmission Flush And Why Are They Necessary?

What is a transmission flush? It represents a way to remove old fluid and contaminants from your transmission, an important maintenance step for car care.

Posted May 10, 2019 Know How

Types of Brake Fluids Explained

Here’s what you need to know about the different types of brake fluids and when it may be time to change or refill those fluids.

Posted May 3, 2019 Know How

Automatic Transmission Filter: Do You Really Need To Change It?

Completing basic maintenance involves replacing a number of filters on your car, but what about your vehicle’s automatic transmission filter?

An engine oil filter. If you've ever wondered what you need to change your car's engine oil, here are the essentials.

Posted April 26, 2019 Featured

Changing Your Oil: The Essentials

Changing your oil regularly is the cornerstone of good car maintenance. It’s not the cleanest job, but just about anyone can do it. So read up on some tips and tricks to make the job easier, then gather the following tools and supplies and get to it.