Tagchemicals

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

An exposed brake, rotor and caliper that needs to be cleaned of dust and grime.

Posted 2 months ago Know How

How to Safely Use Brake Cleaner

What’s that sound? It could be your brakes begging for a cleaning. Here we will look at how to use brake cleaner safely.

Posted November 23, 2020 Know How

Four Kinds of Fuel Additives to Add to Your Tank

If the only thing that ever goes into your fuel tank is gasoline, you may be missing out on some benefits of fuel additives. Let’s look at four kinds.

Posted October 22, 2020 Know How

Removing Oil Stains From Concrete

One of the common side effects of DIYing is oil stains on your driveway or garage floor. Here are tips for removing oil stains from concrete.

Orange handle of transmission fluid dipstick under a car's hood

Posted September 2, 2020 Know How

How to Check Transmission Fluid

So you’re getting in the habit of regular fluid checks on your car. But do you know how to check transmission fluid? Here’s a refresher to get you started.

Posted August 25, 2020 Know How

Know-How Notes: How To Perform A Simple Carburetor Refresh

So you finally got around to working on that old project car you had sitting outside, eh? It happens to the best of us, you lose track of time and … Continue Reading Know-How Notes: How To Perform A Simple Carburetor Refresh

Pouring radiator flush into the overflow tank.

Posted August 21, 2020 Maintenance

How to Flush a Radiator

Keeping the engine bay clean is easy, but what about the cooling system? Here’s how to flush a radiator to keep it clean and operating smoothly.

Posted August 11, 20202 Comments Know How

How To Use Sea Foam: Three Ways To A Cleaner Fuel System

Over time, the internals of your engine get clogged up with all kinds of nasty stuff. Inside the crankcase, where the oil lives, varnish and tar build up on the … Continue Reading How To Use Sea Foam: Three Ways To A Cleaner Fuel System

Posted July 29, 2020 Know How

Know-How Notes: Threadlocker Guide

Torque is the main force behind securing fasteners. Depending on what grade of fastener you are using, the higher the torque, the better the retention. That isn’t always enough, sometimes … Continue Reading Know-How Notes: Threadlocker Guide

Posted July 21, 2020 Know How

Know-How Notes: How to Remove a Rusted Bolt

Rusted bolts stink. It doesn’t matter if the car is just a few years old or 50, there will always be rusted or seized nuts and bolts somewhere on the … Continue Reading Know-How Notes: How to Remove a Rusted Bolt

Best Napa bag stuffers. Stock up on essential tools while you can!

Posted July 3, 2020 Know How

Shopping List: Hot Items That Fit in Your NAPA Bucket

The NAPA bag promotion is the perfect time to stock up on essential supplies at a great price. Here are some ideas to get you started.