Furnace Blower Wheel Noise

Moreover the motor mount.

Furnace blower wheel noise. The blower wheel blows air out of the furnace and through the house. Sometimes a broken blower wheel can also be the source of this distinct noise. If the set screw is loose the blower wheel will wobble on the motor shaft and the wheel will be noisy as it turns. Get a professional to tighten the wheel.

If you hear this sound turn off your furnace immediately. My furnace which is 13 years old has 3 8 acoustic soundproofing inside the blower cabinet with a cut out for incoming air. Check the set screw to ensure that it is properly tightened. Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing.

The wheel may have become loose and is making the noise by hitting the blower casing. When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears. Thumping and vibrating sounds are the results of an unbalanced blower wheel. The blower wheel is attached to the blower motor shaft with a set screw.

Loud clanking or scraping classified as a metal against metal sound signals a serious problem with the furnace s blower wheel. How to reduce heating cabinet noise. The blower wheel is broken and. The cause of this noise is usually a problem the furnace s squirrel cage blower wheel.

Having one of our techs tighten the blower wheel can often resolve this problem. Shut your furnace off if you have a compromised mount. Here are some of the reasons your furnace could be making a funny noise. If you hear this noise turn off your furnace immediately to prevent any further damage to the furnace.

The blower cabinet in most older furnaces is essentially a hollow tin box with a motor and fan hanging from the top. A broken motor mount causes the blower wheel to drop and rattle against the housing. A few blower wheel problems include.