Furnace Blower Wheel Noise

Have a pro take a look to avoid further damage to your furnace.

Furnace blower wheel noise.

The wheel may have become loose and is making the noise by hitting the blower casing. Blower wheel is loose from the motor wheel. A broken motor mount causes the blower wheel to drop and rattle against the housing. The motor itself can also become out of balance.

Get a professional to tighten the wheel. Most likely the blower fan has become loose and is creating the sound by hitting against the blower house 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. Here are some of the reasons your furnace could be making a funny noise.

Sometimes a broken blower wheel can also be the source of this distinct noise. Blower wheel loud clanking or scraping classified as a metal against metal sound signals a serious problem with the furnace s blower wheel. 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. The blower wheel is broken and needs replacing. If you hear this noise turn off your furnace immediately to prevent any further damage to the furnace. A few blower wheel problems include.

The motor mount broke causing the whole blower assembly to drop and hit the housing. A broken blower wheel will vibrate in its housing resulting in squealing scratching and banging sounds.