How-to Videos for installs and repairs on Cadillac CTS Cars

In this video, Andy shows you where to look for what could be causing vibrations, and what the cause was on this particular vehicle.

Watch this video to see a demonstration of a spark tester that you can use to diagnose problems in your ignition system

1A Auto reviews the HD truck bearing race and seal driver set available on 1aauto.com

1A Auto reviews an OBD2 diagnostic scan tool available on 1aauto.com

Check out this hands-on video on how to change the water pump on your 03-10 Cadillac CTS 2.8L.

How to properly code a new ignition cylinder to fit your old keys.

If you recently disconnected your battery, your vehicle may not be ready for inspection. Learn how to check the status yourself with this 1A Auto video

Watch this video to learn how to diagnose problems with the circuitry of a mass airflow sensor.

New O2 Oxygen Sensor from 1AAuto.com How to remove, install, change or replace an upstream oxygen O2 sensor on the passenger side on 06 Cadillac CTS

Check out this new rechargeable LED pocket work light from E-Z Red. It's available now on 1AAuto.com!