This whistling is caused by wind hitting the roof rack at high speeds and can be easily fixed in a few different ways.
Roof rack noise on van.
This can be especially troublesome at highway speeds.
Before you begin traveling pull the crossbars of your roof rack left to right to see if it s loose.
How to reducing noise on a roof rack here are some steps that will help you deal with this concern.
Sprinter 2002 06 high roof.
Transit cargo van long wb low roof.
Check the base roof rack of your vehicle.
If your vehicle has a roof rack with a cross member then you know it gets noisy one the highway.
You can also add weather stripping where the car and rack touch to reduce the friction and sound.
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.
Sprinter 2002 06 low roof.
A flimsily placed bike roof rack can meet your car and rub against it as your drive creating noise.
Transit cargo van regular wb med roof.
A whistling noisy roof rack can become very annoying especially on long trips.
Make sure to keep the support towers secured by tying down its straps and mounts to the vehicle.
If the surface the wind passes over has a consistent shape the disturbance becomes tonal and at certain frequencies very annoying.
Mines starts roaring and getting annoying when i get up to.
Front fairing reduces roof rack noise we used a piece of leftover aluminum flashing to make a fairing for the front of the roof rack.
Why does my roof rack make a noise.
Yakima is the world s leading brand of car racks including roof racks bike racks hitch racks and many more for all of life s adventures.
You can buy fairings by companies like inno and thule that are designed to clamp to roof rack rails.
Wind noise is a big concern among those who have ladder racks installed on their vehicles.
As a non aerodynamic portion of the vehicle s bed or roof air rushing around the front cross bar and other portions of the ladder rack can produce loud noises that intrude into the cabin of the vehicle.
Transit cargo van regular wb low roof.
The van is now much quieter and may be more fuel efficient.