Furnace Blower Wheel Noise

Having one of our techs tighten the blower wheel can often resolve this problem.

Furnace blower wheel noise.

The blower wheel can be making the scraping noise for different reasons. Sometimes a broken blower wheel can also be the source of this distinct noise. The wheel may have become loose and is making the noise by hitting the blower casing. If you hear this noise turn off your furnace immediately to prevent any further damage to the furnace.

Have a pro take a look to avoid further damage to your furnace. When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears. The motor mount broke causing the whole blower assembly to drop and hit the housing. A few blower wheel problems include.

A broken motor mount causes the blower wheel to drop and rattle against the housing. Shut your furnace off if you have a compromised mount. A broken blower wheel will vibrate in its housing resulting in squealing scratching and banging sounds. Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing.

Thumping and vibrating sounds are the results of an unbalanced blower wheel. The blower wheel is broken and needs replacing. Blower wheel is loose from the motor wheel. If you hear this sound turn off your furnace immediately.

The cause of this noise is usually a problem the furnace s squirrel cage blower wheel. The motor itself can also become out of balance.