Cabin Pressure Vent Rattling

[lharrell94]

I've noticed that vibration of the cab (i.e.-bumpy roads, engine vibration,etc.) causes the rubber flaps of the pressure vent in the back of the cab to vibrate and make a rattling noise. Has anyone figured out the best way to mitigate this or noticed this sound coming from theirs?

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[superj]

i haven't noticed it on mine but have soon people complain of hte same issue on other vehicles. they usually put some small foam pieces between the vents to cushion them from rattling against each other.

 

[BuenaRaptor]

Are you sure it’s the vents? Yesterday I found some leaves under the wiper cowl that vibrated when over a certain speed. Cleared and noise went away.

 

[lharrell94]

Yes the little rubber flaps of the vent were visually vibrating but it turns out this isnt the source of the vibration ive been hearing (mostly in the morning when its cold). Once I put the trim back in place and the seats up the vent isnt an issue, but in the morning I can hear a vibration coming from the rear passenger side. So far I know its not the seats and its not the seatbelt so I can only assume its some trim rubbing together when its contracted and cold. The hunt continues.

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