In December 2023, I purchased a 2018 LT. I took it to my mechanic to check it out and he said everything looked good. Over the past 4-6 weeks, I started hearing what sounds like a hollow-type bumping coming from the rear while driving. It sounds like when a box or something bounces if you hit a bump, but there's nothing loose in the rear, and it happens even when I don't hit a bump in the road. It's not constant, but it does happen quite a bit. Any suggestions?
Bumping Sound in Rear
- Thread starter Celulloyd
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Brennb
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Do you happen to have a window open when this happens?
Autoworker 74
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Make sure you don't have a broken hanger on your exhaust that is allowing a part to bounce around. That is pretty soon to have that problem but who knows.
SteveK
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Have you ruled out a loose item in the location a spare tire would be under the storage.
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