Sounds like you have a bad Mode switch. They are rebuildable. I know Rob sells the rebuild kit for it or you can send it to him to have it rebuilt. Steve --- In dmcnews@xxxx, mrvideosawyer@xxxx wrote: > Well I got in the car today and noticed a hissing sound behind the heater/AC panel. Hummm. . . . Any ideas before I get wild and crazy in the garage? > > Jim > 4149 "ELMO" > __________________________________________________________________ > Get your own FREE, personal Netscape Webmail account today at http://webmail.netscape.com/