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What would make the furnace motor shake?
dchie1
Feb 18, 2010, 03:58 PM
When blower motor turns on it really shakes and vibrates. It seems to run all right, no unusuall noises, except for the shaking and vibrating
mygirlsdad77
Feb 18, 2010, 04:26 PM
Bad shaft bearings, bad motor bearings, extremely dirty blower wheel, or out of balance blower wheel.