it sounds like the same noise my '68 makes. Mine sounds like a watery kind of fluttering or sucking sound. I was told that my heater hoses were probably reversed, but I haven't had a chance to check it. However, my noise stops when the engine is turned off. So I'm not sure if this is the same thing or not . . . MM Elijah Scott wrote: > Hi Folks, > > My '70 Imperial is exhibiting a strange noise at > times, and I'm unsure of the source. > > The noise is coming from the area in the front cowl > where the passenger side floor vent would be. Since > the car has AutoTemp (1967-1970 first generation > AutoTemp), there's no vent there. The noise sounds > like sort of a fluttering-sucking sound (which is the > best was I can think to describe it). > > At first, I thought it was the heat riser flap, but > the noise continues even when the engine is turned > off, as long as the key is in the accessory position. > It even happens occasionally when the switch is first > turned on and still in the accessory position. > > Is this some anomaly with the AutoTemp system? Has > anyone else encountered this one before? > > Thanks! > > Elijah > > __________________________________________________ > Do you Yahoo!? > Yahoo! Web Hosting - establish your business online > http://webhosting.yahoo.com >