Ideas on noise source - light fluttering sound at 70mph - JeepForum.com

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post #1 of 18 Old 10-27-2009, 04:45 PM Thread Starter
cwoodffr
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Ideas on noise source - light fluttering sound at 70mph

I have a fluttering noise that seems like its coming from behind the dash or beneath the driver side wiper. It only happens at speeds of 70mph or above. It sounds like something is flapping lightly or fluttering. I have secured anything I can find in that area under the hood that was loose but its still there. Crosswinds or buffeting seems to make it louder.

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post #2 of 18 Old 10-27-2009, 05:26 PM
robsbluerub
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Quote:
Originally Posted by cwoodffr View Post
I have a fluttering noise ... at speeds of 70mph
That's the noise you hear right before lift off

Sorry, i don't have the noise unless the doors and top is off then everything flutters.

Just wanted to give you a bump

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post #3 of 18 Old 10-27-2009, 08:23 PM
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Like someone has put it before "its like driving a brick with a sail on top". In a JK, and any Wrangler for that matter, the wind noise will increase as the speed increases, and the points for wind to ingress are infinite. We can chalk this one up to "A Jeep thing..." I just got done driving from Omaha to PA, and I can stear hear the noise in the hotel :lol:

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Quote:
Originally Posted by ge2 View Post
I just make a BOOP BEEP sound with my mouth (really loud) as I walk away from the jeep, and point the key at it.
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post #4 of 18 Old 10-28-2009, 04:36 AM Thread Starter
cwoodffr
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no gripe on the wind, its as aerodynamic as a barn door, but this is a noise on top of that and I want to track it down. Just thought someone may have heard similar thing.
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post #5 of 18 Old 10-28-2009, 09:40 AM
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I'll bet something inside the ventalation system didn't get pinned down good enough at the factory. Some foreign object that worked its way in could also possibly be making the noise.

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post #6 of 18 Old 10-28-2009, 10:40 AM
carnuck
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It's the Geico money pile flapping in the breeze?



Maybe the trim around the windshield is loose? Mine did that and finally came loose and slammed my roof. Sounded like I was shot at!
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post #7 of 18 Old 10-28-2009, 11:14 AM
elfamiglia
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Maybe you got leaves in the vent system (i.e. blower etc)??
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post #8 of 18 Old 10-28-2009, 11:35 AM Thread Starter
cwoodffr
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I put some duct tape on the plastic screen over a couple of the slats in the middle outside vent in front of the windshield....I think I found it....but will know more definitely once I drive home...too much slow moving traffic this morning.
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post #9 of 18 Old 11-23-2015, 05:23 PM
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Did you every find the fluttering sound, I have the exact same thing and it's driving me crazy
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post #10 of 18 Old 11-23-2015, 05:51 PM
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Have you tried looking at the inner fender liners? They have a tendency of being loose at certain points.
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post #11 of 18 Old 11-23-2015, 06:08 PM
avatr
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Quote:
Originally Posted by cpjohns View Post
Did you every find the fluttering sound, I have the exact same thing and it's driving me crazy
the OP hasn't posted anything for 3 1/2 years...safe to say he's gone.

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post #12 of 18 Old 11-23-2015, 06:37 PM
Xatten
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It's funny. I have the same sound on my 2013. I think it's the wheel well liner or a pissed off squirrel. Still looking.....

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post #13 of 18 Old 11-23-2015, 06:44 PM
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Quote:
Originally Posted by avatr View Post
the OP hasn't posted anything for 3 1/2 years...safe to say he's gone.
That was observed but it didn’t matter because this latest post is looking for answers for his Jeep now.

That’s why I suggested he look at his fender liners. Also the fenders themselves s can come loose and rattle to at times.
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post #14 of 18 Old 11-23-2015, 07:47 PM
222Doc
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Bikers have a saying, well they have many some not for here. But, "never ride faster than your angle can fly". Sounds like yours is about 70mph....thats why they did not come back...

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post #15 of 18 Old 11-23-2015, 07:49 PM Thread Starter
cwoodffr
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In fact I am still here! Just never found a solution.
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