wind interaction with the stiff radio arial ?
The most common cause of the whistling in a 2003 Impala is a vacuum leak. Any of the lines under the hood could be causing the noise.
A whistling noise in your toilet may be caused by a faulty fill valve or a worn-out flapper. This can lead to water leaking and causing the noise. It is important to fix this issue to prevent water wastage and potential damage to your toilet.
A possible cause of a whistling noise in your car's AC system could be a leak in the system, which can lead to reduced pressure and airflow. This can result in the sound of air escaping through the leak, causing a whistling noise. It is recommended to have a professional mechanic inspect and repair any leaks in the AC system to resolve the issue.
A whistling noise indicates a vacuum leak.
The whistling sound from a kettle occurs when the steam generated inside reaches a high enough pressure to force its way through the spout, causing vibrations that produce the noise.
A chirping whistling noise!
If the squeak changes with fan speed, the fan needs replaced.
A bad compressor belt can cause a whistling noise while running the air conditioner. A bad engine can also cause this noise.
whistling noise from engine will be caused by a leaky gasket,sucking air. this is usually the intake manifold gasket
dog whistling
Vuvuzela and police whistling noise of loudspeakers and people
Sounds like it might be a bearing problem.