When there are loose parts in the fan that runs the heater system, there will be many instances of noise and vibration. A technician should dismantle the system and fix it.
A male cicada has drum-like organs in its abdomen that produce a high-pitched drone similar to a loud vibrating noise.
The loud vibrating noise in your wall could be caused by a variety of factors, such as plumbing issues, electrical problems, or structural issues. It is recommended to contact a professional to inspect and diagnose the source of the noise.
The loud vibrating noise in your car could be caused by issues with the exhaust system, engine mounts, or a problem with the tires. It is recommended to have a mechanic inspect your car to determine the exact cause of the noise.
The fan blades are most likely rubbing the sides of the heater casing. The fan could be loose, the motor bad, or the fan blades broken. There is also the chance that something (candy wrapper etc.) has been sucked into the system and is rubbing the blades.
it is the cicadas
to be cool
Sounds like the fan for rear air/heater. usually found behind the inner cover.
because it is moving fast and the motor is working hard
If it's a creaking noise then it is most likely that your compressor is broken.
The bearings are out of it. Replace Blower motor.
Lack of oil lubrication to the valve lifters.
This can mean that the guinea pig was frightened from something loud, like a dog bark or telephone ring.