Most likely the blower fan has become loose and is creating the sound by hitting against the blower house casing.
Furnace blower wheel loose.
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.
The duct cleaner wanted a couple h.
Older blower wheels will also likely require oil.
The blower wheel is attached to the blower motor shaft with a set screw.
A broken motor mount causes the blower wheel to drop and rattle against the.
Squealing caused by a loose belt.
Keep one on hand in case you need to change it.
Sometimes a broken blower wheel can also be the source of this distinct noise.
Cleaning the blower wheel on a furnace air conditioner takes a little work but is supposed to improve your air quality.
Blower wheel was balanced just fine some dirt not horrible.
Took a closer look at motor shaft to try to detect any misalignment couldn t really tell.
Having one of our techs tighten the blower wheel can often resolve this problem.
A broken blower wheel will vibrate in its housing resulting in squealing scratching and banging sounds.
This is not a huge noise just a little annoying.
If the belt is loose the pulley on.
The blower wheel can be making the scraping noise for different reasons.
If left long enough a loose blower wheel can damage itself and the housing.
Use 3 in 1 motor oil.
No contact with housing or loose blades.
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.
The wheel may have become loose and is making the noise by hitting the blower casing.
14 years old at this point but still blowing very cold air.
If you hear this sound turn off your furnace immediately.
Unit is a bryant 310jav066110acja.
I did have to change the capacitor on the compressor outside last year and no issues until now.
The motor shaft and the wheel will be noisy as it turns.
Check the set screw to ensure that it is properly tightened.
Really old ones might have grease cups that need to be filled with bearing grease you will probably need to remove the access cover to get at them.
I took it apart replaced with new blower wheel wheel was still not turning true.
It is made for electric motors.
I suspect it s the blower wheel or a bearing in the motor going out.
If the set screw is loose the blower wheel will wobble on.
When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears.
Blower wheels can come loose and hit the blower housing causing a scraping sound.
