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noise from pulley when switched to A/C or Defrost? 700 1990

posted by  Moleculo on  Sat Feb 25 03:13 CST 2012
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last visit: Sat Feb 25 05:38 CST 2012
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Hi Everyone,

Still doing a lot of learning with my Volvo (1990 740 Turbo Wagon), and noticed that when I have the air switched to the A/C or the Front Defrost, there is an intermittent noise that comes from the front end. Looked under the hood and noticed there's a pulley spinning when it happens. I also get a little bump in my RPM's when it happens.

Is this normal, or is there something wrong?

I got a video of it:
http://s1190.photobucket.com/albums/z456/kevarilla/Volvo/?action=view¤t=IMG_0173.mp4





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New noise from pulley when switched to A/C or Defrost? [700][1990]
posted by  Moleculo  on Sat Feb 25 03:13 CST 2012 >


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