Light bar making impossible noise

abdulr · Jan 9, 2017

So yesterday I fixed a 42" light bar on the roof, and as soon as I reached about 55 miles it started to make a very loud vibration noise ( not whistle ). I thought maybe I should remove the roof part ( the one that has NISSAN on it ) and It worked, so problem solved but the car looks ugly. any suggestions or solutions will be highly appriciated?

Thank you

Abddul

WhatNext · Jan 9, 2017

My guess is the air flowing over the light bar is creating a wave that interacts with the Nissan panel and happens to excite a harmonic in the panel resulting in the vibration. I would try fitting a flat panel between the top of the light bar and the Nissan panel.

clifffalling · Jan 9, 2017

Agree with "WhatNext". I might try some 3M Velcro , or soft weather strip. Line the points where the cargo door moves with that. See if you can stop the vibration.

Light bar making impossible noise

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