Weird Noise - 2019 Civic Si Coupe

thehungus1

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Driving home last night, the car started making a strange noise. It sounds almost like the "slapping" sound a flat tire would make, but much more muted. I get the sense it's coming from the rear. It gets faster and more pronounced as I go faster. None of the tires are flat or even low, nor am I getting a low-pressure indication. The car handles normally and doesn't pull to either side when let go of the wheel. My local dealer's service department is closed today, so I took the car next door to a Tires Plus. They couldn't get it on a lift today, but one of the techs looked at the tires and agreed that there aren't any obvious defects there. His only guess is that it might be a bearing.

Any ideas?
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Jes_si562

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Something stuck to the tire nothing to be worried about
 

BoxsterSteve

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Underside sound insulation panel loose and flapping maybe?
 
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thehungus1

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Underside sound insulation panel loose and flapping maybe?

I thought that too, but the sound increases in frequency and intensity in direct proportion to my speed.
 

BoxsterSteve

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I thought that too, but the sound increases in frequency and intensity in direct proportion to my speed.
Still could be... would flap quicker and more intensely the faster you go
 


shoegazer

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+1 for something foreign inside the wheel or stuck to or stuck in the tire. It's probably easiest to examine on a rack. But a handheld mirror and a flashlight may help. Good luck.
 

Sty09

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Driving home last night, the car started making a strange noise. It sounds almost like the "slapping" sound a flat tire would make, but much more muted. I get the sense it's coming from the rear. It gets faster and more pronounced as I go faster. None of the tires are flat or even low, nor am I getting a low-pressure indication. The car handles normally and doesn't pull to either side when let go of the wheel. My local dealer's service department is closed today, so I took the car next door to a Tires Plus. They couldn't get it on a lift today, but one of the techs looked at the tires and agreed that there aren't any obvious defects there. His only guess is that it might be a bearing.

Any ideas?
I have the same issue. Haven't figured it out yet.
 

davidgostbo

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Look at your tire wear patterns tire might be cupping. Check your shocks are any wet? Wet shocks = leaking. That usually causes cupping
 
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thehungus1

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Found the culprit. I took the car to the dealer, they got it up on the lift, and lo and behold, I had a bolt in my tire. They patched it up, but I swear I can still hear a little bit of rotational noise from the rear . . .
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