Had a new compressor put in my 1992 Eldorado Touring Coupe. last year before I bought the car. The guy said the ac worked for about 3 months and then he sold the car to me. i got the message about the low refrigerant and a/c compressor off. Well I took it today to a friend of the family and he said the freon level is good. So i came home and found this site. So now I have looked up all the codes and reset the codes. Checked again and no new codes. But when I turn on the a/c all i hear is like a click, like the compressor is trying to come on, but all i get is super hot air. Any suggestions what i should try next? Thanks for any help..