Rattle with windows down

[PalmettoRanger]

When I am driving with the windows down, there is a rattling that sounds like it is the rear seat banging against the cab. I have tried cramming something behind there so there is not as much play, but it still does it. Has anyone else had this issue?

I am fairly new around here and apologize if this has been addressed before.

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[Kellan81]

I noticed that the wind causes the rear passenger Seatbelt to rattle when the windows are down....Maybe that is what you are hearing

 

[PalmettoRanger]

I noticed that the wind causes the rear passenger Seatbelt to rattle when the windows are down....Maybe that is what you are hearing

I finally had a chance to test this out and you are correct. The belts are vibrating in the wind. If I buckle in the rear belts it reduces the vibration, but does not eliminate it.

 

[PalmettoRanger]

the seats can pulse with the wind pressures. i never knew it had a scientific name.

https://www.caranddriver.com/news/a...weird-throbbing-when-you-open-one-car-window/

I am aware of the harmonics issue. What I am experiencing is not nearly as annoying as that. This was just a rattle I could not ID until Kellan recommended checking the seatbelts.

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