tuesdayBenz

My car started having a weird high pitched wistling noise when I take my foot off the accelorator and coast. However, if I have the heater or AC or vent on it does not make that noise.

Anyone have any idea what this is, its realy anoying me

thanks

My car is a 96, c220, 4cyl, 100K, 4Dr.

GDawgC220

where is the noies coming from? Front, back? What about when your stopped, does it make that noise? Speed?

tuesdayBenz

only when the car is moving, but only when I take my foot off the accelorator and the car coasts for a little bit.

Seems like its comming from all around, a high pitched wistle that goes away if I put the fan on.

GDawgC220

possibly check your belt up front or the fan...pop open the hood and start the engine. see if you hear it then.

mleskovar

vacuum leak?

gtv625

you can check belt tensioner