Furnace Blower Wheel Noise

Blower wheel loud clanking or scraping classified as a metal against metal sound signals a serious problem with the furnace s blower wheel.

Furnace blower wheel noise.

When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears. Get a professional to tighten the wheel. Shut your furnace off if you have a compromised mount. A few blower wheel problems include.

If you hear this sound turn off your furnace immediately. The motor mount broke causing the whole blower assembly to drop and hit the housing. Having one of our techs tighten the blower wheel can often resolve this problem. Thumping and vibrating sounds are the results of an unbalanced blower wheel.

Sometimes a broken blower wheel can also be the source of this distinct noise. The blower wheel can be making the scraping noise for different reasons. The cause of this noise is usually a problem the furnace s squirrel cage blower wheel. Here are some of the reasons your furnace could be making a funny noise.

Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing. A broken blower wheel will vibrate in its housing resulting in squealing scratching and banging sounds. The motor itself can also become out of balance. The blower wheel is broken and needs replacing.

The wheel may have become loose and is making the noise by hitting the blower casing. A broken motor mount causes the blower wheel to drop and rattle against the housing.