Question about 2004 Subaru Forester

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I have a 2001 Subaru Forester. When I turn the A/C on, the cars squeal loudly at idle and at slower speeds. At higher speeds 40 MPH, the squeal stops. The A/C works fine. Additionally, when the temp outside is very high in summer, the squealing seems worse. Turning off the A/C makes the squealing sound stop. What could be wrong?

Posted by Anonymous on

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You have a loose belt on the A/C. On most new cars that is one big belt that drives everything on the car. If when you look at the belt on the grooved side, do you see cracks on the grooved part running across (from side to side) on the belt? if so, it is in bad need of a new belt. A new belt should stop the squealing noise. While you are replacing the belt also check the belt tensioner to ensure it is in good working order.

Posted on Nov 25, 2008

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