How to stop the Wind/whistle noise coming from cross bar

CV

MEMBER
2012 ACURA TSX
800 MILES

I just installed the cross bar on the top of my new 2012 TSX wagon.
There is a wind or whistle noise on the top whenever the speed is > 30 mph
Would you know how far I need to adjust the distance between the 2 cross bars in order to stop that noise?
I really appreciate your tips.

2 Replies

SATURNTECH9

MECHANIC
30,870 POSTS

Your best bet would be to just play with it untill it stops whistling.

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Thursday, March 8th, 2012 AT 11:34 PM

CV

MEMBER
2 POSTS

Do you think the shape of material could make the noise louder?

According the whistle physisc, it "works by causing the smooth flow of air to be split by a narrow blade, sometimes called a labium or windcutter, creating a turbulent vortex which causes the air to vibrate. By attaching a resonant chamber to the basic whistle, it may be tuned to a particular note and made louder. The length of the chamber typically defines the resonance frequency"

I am wondering the Acura cross bar shape could make it worst or not?
I would try to move around again, hopefully it will be stopped.
Thanks for your previous thought.