Furnace Blower Motor Vibration

Called starving the suction of the blower.

Furnace blower motor vibration.

Loose access panels and framing also. In search of a solution to a vibrating furnace. The answer is a number of different bolt systems. If your furnace is located against a wall this vibration can be carried throughout your house.

Your initial assumption about load on blower due to new filter is valid. The circulation fan often is to blame especially if it is attached directly to the metal cabinet. Furnace mounting refers to how the furnace and its components are attached together. In my case the imbalance was due to a failing motor bearing.

If the furnace housing is vibrating i d suggest tightening the screws on the housing. Installing an acoustic rubber pad under the furnace specially if it is sitting on concrete will damp the vibration you hear through the pipes although the blower fan and motor are the most obvious parts to check take a look at the complete unit. I want your advice on how to fix a vibrating furnace. Unbalanced blower motor there could be something off balance within your blower causing the fan to make vibrating sounds when it spins.

Check the fan and motor for signs of dust or debris build up or any other kind of obstruction and clear it away to see if the problem has been solved. Pipe brackets burner parts cold air returns access panels into the burner chamber and blower chamber or even the plenum itself could be loose. Loose parts are to blame for vibrating sounds from a furnace. Easy fix pull out the blower disconnect the motor and clean the squirrel cage with hot water in a utility sink or garden hose outside.

If the merv rating of the filter is too high this will starve the blower suction and cause any minor vibration in the blower motor wheel assembly to amplify. Are the fins of the blower wheel filled with dirt. When one set of bolts begins to come loose it starts to vibrate as the furnace works.