I removed the unit and removed the screws on the back side of the blower housing however it will not separate. I believe the halves may be glued together. The motor has in/out play on the shaft but no noticeable lateral play. I believe the blower must be replaced as a complete unit. I found...
I believe it is a squirrel cage, I've included a picture (I hope). If the problem is balancing weights is there a method to determine where the weights should go?
See my Gallery for the picture.
My furnace makes a vibrating noise when the vent motor starts and it continues until the blower motor starts to run. It may still be there after the blower starts but the sound of the blower covers it. The noise can be heard from the registers but is not very noticable if you stand in front of...