Most likely your fan blade mechanism inside heater motor is discounted from motor, or loose from motor.
they show sadness by making a sound called whining
Car wheels on the pavement.
The pump will need replaced if it is grinding.
Pool filter making noise
You may have a power steering problem.
Whining noise near belts had pulleys adjusted any idea what is causing this
Frequently the scrapping noise indicates that the brakes need repairing.
the bearings are probally giving out.
I have the same problem if it was making a grinding noise contact ego-fly if its not making a grinding noise the rotors might be hitting each other
the starter is bad.
Check the fluid level in the trans, the whining is probably the input shaft gear mangling itself.