Furnace Blower Wheel Loose

Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing.

Furnace blower wheel loose.

Check the set screw to ensure that it is properly tightened. A broken blower wheel will vibrate in its housing resulting in squealing scratching and banging sounds. I suspect it s the blower wheel or a bearing in the motor going out. The blower wheel blows air out of the furnace and through the house.

14 years old at this point but still blowing very cold air. If the set screw is loose the blower wheel will wobble on. Unit is a bryant 310jav066110acja. The blower wheel is attached to the blower motor shaft with a set screw.

The wheel may have become loose and is making the noise by hitting the blower casing. I took it apart replaced with new blower wheel wheel was still not turning true. You will most likely need to replace this part on your furnace but don t worry it is a fairly easy repair and can usually be done in an hour or so. Keep one on hand in case you need to change it.

I did have to change the capacitor on the compressor outside last year and no issues until now. Older blower wheels will also likely require oil. Squealing caused by a loose belt. Took a closer look at motor shaft to try to detect any misalignment couldn t really tell.

Loud clanking or scraping classified as a metal against metal sound signals a serious problem with the furnace s blower wheel. It is made for electric motors. Blower wheels can come loose and hit the blower housing causing a scraping sound. This is not a huge noise just a little annoying.

Easy to open up and change the blower motor as a unit. If left long enough a loose blower wheel can damage itself and the housing. Sometimes a broken blower wheel can also be the source of this distinct noise. No contact with housing or loose blades.

Having one of our techs tighten the blower wheel can often resolve this problem. Belt driven blower motors call for accurate belt tension to run properly. Step 4 oil the blower good maintenance on a furnace blower whether it is a direct drive motor or v belt and pulley system is always beneficial in avoiding malfunction. 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 blower wheel can be making the scraping noise for different reasons. If the belt is loose the pulley on. Use 3 in 1 motor oil. A broken motor mount causes the blower wheel to drop and rattle against the.

If you hear this sound turn off your furnace immediately. The motor shaft and the wheel will be noisy as it turns. Cleaning the blower wheel on a furnace air conditioner takes a little work but is supposed to improve your air quality.