Rattle Noise

[Ydeeps]

I've had my 2019 JLU for a few months and about 2 weeks ago I noticed a rattle whenever I hit a small(like a seam between 2 pours of concrete) or large bump at any speed. It lasts for half a second or so after I hit the bump so I believe something is loose but cannot find it! I have installed a new front bumper and sidesteps. I also have a 3" lift with some larger tires that I had a shop install and then had them retorqued after about 1k miles of driving. I also removed the back tire carrier. With all that said this rattle is driving my nuts!!! It is loud enough to hear while the radio is on at a modest volume. It is a fairly deep tone which makes me think it is a larger part on my Jeep and sounds towards the middle or back of the vehicle. Any suggestions on how to track this down or what it could be?

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[Ydeeps]

I found out that the gas cover/insert was loose and was rattling every bump that I hit. I took it out and replaced it with a new one that had a cover on it. This seems to have fixed the problem, so I believe I had a bad part from the factory.

 

[djmason9]

I am hearing something similar when i run over small bumps at low speeds like cracks in the road or speed bumps. Its a low loud thud sound. I have not found mine yet.

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