when driving i here a humming noise any ideas any one

More details would be helpful:

1) Is there a humming noise when the radio is off? 2) Is there a humming noise when the engine is off? 3) Is there a humming noise when the engine is on, but the vehicle is not moving? 4) Is the humming noise better or worse when you are braking, accelerating, turning, going at a particular speed, etc.? 5) What year and model vehicle are you talking about? And, how many miles are on it?

Jeff

Your girlfriend is in the mood. . .

when driving i here a humming noise any ideas any one ___________________________________________

More information is needed:

Please identify the vehicle. Is it a Hummer?

Is the radio playing when the humming begins?

Do you hear the humming noise when driving other vehicles?

Rodan.

it a 97 ford areostar and the noise is only when driving not the radio not when back up when i go about 40kmor more. do you guy think could be the tires there only a year old or diff

Tires are possible, one tire could be going bad with an internal belt separation - rotate the tires and see if the sound moves or changes. And have the tire shop look for odd bulges or wheels suddenly going way out of balance.

Wind can do it - try rolling down one window at a time a few inches and see if the sound changes. Ever see someone playing a Moonshine Jug in a band? A bad weatherstrip around a door can turn the entire passenger compartment or trunk into a big resonant chamber.

You can also get roof rack bars acting like a whistle - try taping over holes slots and gaps in the bars, look for missing beauty plugs over mounting screws, and see if you can plug the whistle hole.

See what makes the sound change - steady sound at all speeds above

40 Km/H? Does it vary with throttle? Or with engine or transmission speed? If you shift out of OD and it goes away, it's something in the powertrain.

If it's the rear end gears it will vary tone with speed, and get louder as you accelerate hard and quieter on overrun, or vice versa.

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