In this video we have a look at this 2003 Honda Civic 1.7 that came in with a complaint of no A/C or blowing warm air out of the vents when the a/c was turned on. It was a fun fix because it had a little twist at the end that almost got missed but ended up being a good fix. Some times it is a little more than just being low on refrigerant.

How Car AC Systems Work and How to Diagnose AC System Issues For Beginners BY: Ratchets And Wrenches - https://www.youtube.com/watch?v=wtRZ5xTaIOI

How a Car AC System Works - For Beginners BY: Ratchets And Wrenches - https://www.youtube.com/watch?v=-INZ2sRrsuo