Strange 'buzz' noise at speed (Outback wagon 2001)

[Earle Jones]

Hi! My Outback wagon 2001 sometimes has a high-pitch buzzing noise
that seems to be coming from just over my left shoulder when I am
driving. It only occurs at speed (60 - 70 mph) and is dependent on
the wind direction. Could this be a vibration in the weather
stripping around the window (or roofrack or mirror mount, etc.)? If
so, what is the easiest fix?

I removed the roofrack cross pieces which did not help.

Anybody else experience this? The noise is quite loud -- very
bothersome.

Thanks,

earle
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[Shun Ju Hu]

I had the same noise on my '94 LEGACYa week before that auto. shoulder belt
assembly gone bad. have u check that ? james

 

[David Crist]

I tried all the stuff with the roof rack, too. However, the cause of
the sound is the seal at the top driver's corner of the windshield. I
isolated the offending portion of the windshield seal by covering the
entire driver's side windshield gasket with a strip of duct tape while
on a road trip. Drive a ways in wind conditions that you know are
conducive to the noise. If there is no noise, starting at the bottom
of the strip of duct tape, remove half of the tape. Drive some more.
Repeat until the noise returns and you will have isolated the problem.
A friend of mine who is a windshield installer added some sort of
sealant/caulk under the gasket and solved the problem.