lesabre a/c

I own a 1998 LeSabre Limited:headbang: Yesterday i went to my local shop to get my A/C checked out because it wasnt working. They had told me that the "service valve" was leaking so they replaced it and did an evac and recharge (i ended up finding out that they completely overcharged me for the...

Greetings, all. My ten-year-old 2004 Lesabre decided this year it didn't want to cool the air anymore, so I needed to look into the a/c system. Initially just suspected low r134A levels, so I hooked up the gauges -- but came up with some readings that I have not been able to interpret on my own...