I'll try and make this breif. Last Summer the blower motor went out on my furnace (General Electric Gas Fired furnace 1984). I pulled the blower out and cleaned the motor and oiled it (we just bought the house and was told the motor had sealed bearings). It ran for awhile. Anyway I cleaned the blower wheel and I thought I knocked off some of the balancing weights, because then the furnace started to vibrate. Then it finally died. I had the blower motor replaced and the guy put in a 1/3 HP motor, the original motor was a 1/4 HP motor. It still vibrated so I bought a replacement blower wheel and replaced it thinking that was the problem. Guess what it still is vibrating. I know there will be some vibration but not the way this is vibrating. Can anybody give me some help with this problem????
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Help!! Furnace Vibration!!