Air Conditioning problem
1999 Buick Century 6 cyl Four Wheel Drive Automatic 82000 miles
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My air conditioner is no longer working. When I turn the knob, nothing happens. It does not make any noises nor does it blow any air at all. Can you provide insight as to what the problem could be and how much it could cost to repair it?

Thanks in Advance

That would be tough to do. I suggest you go to a shop for an estimate. The system is complex and needs to be seen by a professional.