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AC make loud noise on power off.

When I power of my AC it sounds like the fan blades are hitting something. It also makes the noise when in the fan only mode but not as loud.

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Is this a wndow unit or central air system? if this is a window unit , your problem is it only needs cleanning (dirt dbber nest-- trash around the back blades-- or the unt is twisted and rubbing the fan shroud. Last but not least, the slinger ring around the back blades (a ring around the end of the blades thats picks up water in the bottom of the unit and sling it on the coils to help cool the hot gases....Thank-you Thank you Thank you very much!

Posted on Jun 03, 2008

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