The wind noise we hear from some roof racks is known as aeolian no ise and is produced by wind when it passes over or through objects.
Roof rack wind noise problem.
Why does my roof rack make a noise.
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It breaks up the airflow and thus the resinance just like the spirals on tall steel chimney stacks.
A flimsily placed bike roof rack can meet your car and rub against it as your drive creating noise.
Just bought a few weeks ago.
The top section of the wind fairing attaches to the front crossbar while the bottom rests on top of the car.
The fj is brand new.
If the surface the wind passes over has a consistent shape the disturbance becomes tonal and at certain frequencies very annoying.
I chalked it up to bad design too close to the sunroof.
Wind fairings are usually universal but are available in different lengths to fit your vehicle.
A wind fairing s goal is to reduce the wind noises which are brought about by the roof rack you have placed in your vehicle.
Wind noise from roof rack.
My 2002 roof rack makes a ton of noise i assume it was installed right since it came with the car.
Black is ideal but a color that complements your bike kayak whatever is nice too.
Although wind fairings do not eliminate the noise 100 percent it does minimize it significantly to prevent you from being distracted while you are driving.
If the noise starts at a specific speed it could be resonance.
A roof rack wind fairing is an easy to install plastic shield that deflects wind away from the roof rack therefore reducing wind noise.
They say it is the roof rack.
I figured i would post an update for all of those people suffering from a similar problem.
There s a quick fix that works like a champ in most roof rack whistle situations.
You can also add weather stripping where the car and rack touch to reduce the friction and sound.
Before you begin traveling pull the crossbars of your roof rack left to right to see if it s loose.
Run down to the hardware store and pick up a 2 or 3 foot bungee cord.