Hi All!

Just got my 1999.5 - 2.8, and was wondering if it is normal for the climate control to sound like a jet engine at times. The sound appears to come from below the car where a front seat passenger's feat would be. Only happens on the few times when it has been hot outside (95 degrees) and the Auto climate control system cranks up as to a high fan speed (climate controld set to 75 degrees). The noise usually stops after a few minutes (my guess is the system is slowing down since the interior is cooler), but damn, I just pulled into my garage (and had the car still running) and thought a jet plane was flying in behind me.

thanks in advance!

mpd333
1999.5, 2.8, Silver with Onxy Leather, Tip, Quattro, Sport Seats, All Weather, Computer

Especially noticable in the garage and during high temperatures. It sounds like the compressor spooling down when I shut the car off. Actually jet-engines have a compressor stage and the turbine stage so the whirr we hear might be similar. On mine it sounds like it comes from under the hood. I work for a "jet-engine" company so I think it sounds kind of cool.

Arch57 99.5 2.8QMS

Is the noise you're referring to the 2nd cooling fan in front of the engine - which appears to operate only with the compressor on? It is loud when outside the car or with the window/door open in closed-in areas.

With the windows up, I never hear it. With them down, and outside of my garage, it kind of sounds like a very faint "tornado" warning. In the garage with the windows down, I double checked before backing out fo the garage since I thought it was a truck idling out there.

Though I am feeling better that the prvious poster also hears it. Thus, it is a feature, not a problem. Thankfully, having read this board for months, I have gotten used to the compressor noise when you turn the car off. If I had not been warned, I would have been panicing.

mpd333