The bearings are out of it. Replace Blower motor.
Check at the blower motor itself. Have it turned on and tap the end of the blower motor with a hammer. I did this and found out that the blower motor was going out. The blower motor is on the top passenger side under the hood. Also check the wire connections. Make sure they are seated good. If this includes for the heater then I would say the blower motor is bad.
blower motor relay
Maybe a bad bearing in fan motor
Climate control blower motor was the fix. The part cost 441 dollars.
check blower motor fuses and if Ok GENTLY tap blower motor with a/c turned on should start back up if so it indicates a bad armature in the blower motor and is due for replacement soon, if it does not start back up, it means either a short has occurred in the wiring or it is a dead blower motor
Replace the blower motor resistor block. It is located under the dash on the passenger side.
it possible is the blower motor is going bad or the blower motor squirl cage is rubbing Most likely there is debri in the blower motor cage, usually mice get in there.
The blower motor relay switch in the Honda Civic is located at the center of the engine closest to the firewall. The relay is engaged when the ignition is turned to the on position.
Blower motor fuse is blown. Blower motor resistor burned out. Blower motor switch bad. Blower motor bad.
Blower motor: remove the glove box and you will see the blower motor and blower resistor.
usually the blower motor resistor pkg. located on or near the blower motor