Low hum from front end

Tiny
THERESA PACKER
  • MEMBER
  • 2004 CHEVROLET IMPALA
  • V6
  • 2WD
  • AUTOMATIC
  • 124,000 MILES
When idling, there is no noise. Upon driving, about 5 minutes on highway, it sounds like a low deep hum, can heard alittle louder, when I remove my foot from the gas pedal. Should I need to stop, the noise is not there when stopped.
Friday, February 21st, 2020 AT 3:02 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,779 POSTS
Hi.

This could be related to tire type, tire wear, or a wheel bearing. When driving and you hear it, is there any change in the sound or pitch when turning?

Here is a link that explains what to look for on a tire that is not considered normal wear:

https://www.2carpros.com/articles/how-car-tires-work

As far as a wheel bearing, here is a link that explains how one is replaced. I'm adding this so you see what I am referring to.

https://www.2carpros.com/articles/bearing-hub-replacement

Since it stops when you stop the vehicle, most likely it is related to one of these two things. Let me know if the noise changes or if you have questions related to the tires.

Take care,
Joe
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Friday, February 21st, 2020 AT 3:15 PM

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