If you can access the blower housing, check for an obstruction such as paper, leaves, etc. It could need lube in the bearings/bushings. Also check for cracks in the fan blades (usually plastic).
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If you can access the blower housing, check for an obstruction such as paper, leaves, etc. It could need lube in the bearings/bushings. Also check for cracks in the fan blades (usually plastic).