An abnormal humming could be emitted from the alternator, water pump, the a/c pump, any number of things.
is the humming coming from the front end of the vehicle? i have a 1996 explorer with the same issue. yes the noise come from the front but not all the time seems to make the humming noise when it gets hot
A bearing going bad.
They got their names as humming birds because when they move their wing very quickly And from that humming sounds come this is why they are called humming birds
There can be a slight humming noise while driving a neon. This sound could come purely from the engine to indicate that it is running.
The York Air Conditioner that will not come on after it makes a humming sound then stops might have an issue with the electrical current going to the machine. It is possible that the fan is also the culprit. The fan has to come on before the air conditioner can operate properly.
seems to come from behind the surface
The answer should seem to come from behind the surface.
The sound would be reflected and seem to come from behind the reflective surface. This is commonly experienced near airports, where the sound of aircraft appears to come from the opposite direction, instead of from the airport.
If a person is in front of a smooth surface from which a sound is reflected, the person would hear a sound that ====================================================== Allow me to add(: SEEMS TO COME FROM BEHIND THE SURFACE:>
Take it to a dealer and have them check the cv joints. This could be a possibility on an older model car.
Humming Birds come in many colors and sizes. For example, the Ruby-throated Humming Bird has green feathers
Hummingbird eggs...