What could be causing this buzzing sound?

[hatefulcrawdad]

For a few days now, I've been hearing a buzzing sound in the bottom of my 2019 JLU. I don't think its necessarily related, but the only thing that changed recently was that I rotated my tires. I noticed the sound shortly after the rotation. Maybe it is related but I'm really not sure.

The buzz only happen at low speeds. It happens going forward, in reverse, in 4H, and in 4L. I've checked for obviously loose parts and didn't notice anything. I still need to double check all the bolts, though.

I recorded this video so you all can hear the buzz and hopefully help me narrow in on what it could be:

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[DavidES1]

Sounds like a heat shield rattling or loose skid plate.

 

[hatefulcrawdad]

Following up to say that it ended up being related to the tire rotation... I'm still not 100% what was buzzing and exactly why but I put the tires back in their original location and it stopped buzzing. So now I've rotated them slightly differently and it still isn't buzzing. We'll see if the next rotation brings it back

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