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2008 Nissan Altima buzzing sound
05-12-2017, 05:15 PM
Post: #1
2008 Nissan Altima buzzing sound

Can anyone give me an idea what this sound can be? 2008 Nissan Altima. 200K. Sounds louder on the left driver side. Sounds only at low speed. Thanks in advance!
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05-12-2017, 11:31 PM (This post was last modified: 05-12-2017 11:40 PM by Rupe.)
Post: #2
RE: 2008 Nissan Altima buzzing sound
That's a new one on me and I have been in the business near 45 years.

Here's what I would do to narrow it down. You say it's mostly at low speed, but that may be due to not being loud enough to hear over road / wind noise at higher speed.

Let's start with driving in a parking lot or side street where you have room to drive at various speeds up to say 30 MPH. Make a series of quick left & right turns as if you were changing lanes. Does the noise change as the car leans from one side to the other? Weight transfer to the "outside" is a sign that it may be related to a wheel bearing and the heavy side (left side on a right turn for example) is the bad one.

I'd also do a test with the wheels off the ground (car on jack stands) if you can do it. This will tell us if the noise is still there without weight, which may mean something rubbing on a moving part.

While the car is up, you can also check for any slop in the bearings by trying to shake a wheel left & right or top & bottom by hand.

If you are coming up empty then crawl under and look for a shiny spot where something is rubbing on a brake rotor, axel, or other moving part. You may have picked up a stick, a piece of gravel, or one of the splash shields me be not where it belongs. This may require a helper to run it through the gears while you listen. Be extremely careful of moving parts near your body while doing this... and ONLY if the vehicle is properly supported on stands!

Edited to add: It may be something really simple like a stick caught behind the wheel or the plastic inner fender flap touching the tire. You will have to follow the noise and make a logical deduction based on what you see.

Let us know what you find and we can chat more.
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