How-to Videos for installs and repairs on Mercury Zephyr Cars

If you have a check engine light code P0420 or P0430 there may be a problem with your catalytic converter. But sometimes, the problem could be the oxygen sensor that takes readings from the catalyst. Watch this video to find out the difference

If your CV axle seems wrong, you may just need to swap the stub shaft! Check out this video for more details!

1A Auto reviews an infrared thermometer available on 1aauto.com

Watch this video to learn how to fix streaky or squeaking wipers. The experts at 1A Auto show you how to replace the wiper blades.

This video explains the common features of window regulators on most vehicles, and how you might go about accessing and removing them on your vehicle to replace them.

Watch this video to learn how to diagnose your water pump. The experts at 1A Auto show you how to check a pump that's leaky or broken.

This air powered rotary cutting tool is great for repairs and projects. Get yours today here at 1AAuto.com!

Watch this video to learn how to remove a brake bleeder screw that’s stuck or rusted on. The experts at 1A Auto will show you how to loosen a stuck screw and bleed your brakes.

Your brake light just came on, now what? Here are a few things you can check yourself, before paying expensive diagnosis fees at a shop!

1A Auto reviews the 12V tire inflator available on 1aauto.com