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Annoying Feedback sound/buzzing at 60+mph

3158 Views 5 Replies 5 Participants Last post by  RJC2
Alright folks I noticed this starting about a week ago and it seems to be getting worse.

It only happens really above 60mph occasionally but above 70mph it's frequent and will stay constant at times for 30 seconds or more. It's wind related for sure. Doesn't change pitch/tone with varying throttle position, isn't coming from the speakers, and sounds like it's coming right from the middle of the dash near the windshield.

Anyone else experienced this and if so how do I fix it? Going to get out there and try and track it down this weekend with the leaf blower aimed at the front of the truck to see if I can duplicate the buzzing.

FWIW truck has about 48k miles on her.

2011 F-250 annoying buzzing sound - YouTube
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Well the plastic valence cowl behind the hood near the windshield was actually loose just a bit apparently on the passenger side. I went out and pushed down on it and heard it snap back in place I guess. Tested it on the way home last night and no sound even at 90 so that issue is resolved! Now to track down this squeak sound from the drivers side behind the steering wheel somewhere it seems...
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