It is either bad door seals or the turbo that you are hearing.
A whistling noise indicates a vacuum leak.
The noise can be comming from the weather stripping around the door, the wind passing past the antenna or from the wind around the luggage rack on acceleration.
A chirping whistling noise!
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
Vuvuzela and police whistling noise of loudspeakers and people
dog whistling
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.
whistling loud noise
The whistling noise could be a belt but I don't know about the gear jumping. Something wrong with the transmission most likely. Teeth missing.
you are about to crash man! turn!!
Possible vacuum leak