Engine noise on 2004 Ford Escape

There is a "whirring" noise coming from the front end when the truck starts cold and continues to get louder as it accelerates and turns. This has been going on for several weeks. Power steering fluid is up to proper level. Is this a belt problem or alternator problem?

Asked by for the 2004 Ford Escape
This noise sounds like some type of a pulley and bearing problem. A belt noise is typically a squeal. The best thing to do is to use a stethoscope on each of the rotating components until you find the culprit. This is what I do, it also may be a belt tensioner pulley, very common on Ford.
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The car needs a hands-on diagnosis. It should be very easy to figure what's happening if someone were to open the hood and listen
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