# What is that noise coming from my truck???

**URL:** <https://boards.straightdope.com/t/what-is-that-noise-coming-from-my-truck/115720>\
**Category:** Factual Questions\
**Created:** [June 24, 2002, 3:18pm UTC](https://boards.straightdope.com/t/what-is-that-noise-coming-from-my-truck/115720 "2002-06-24T15:18:09Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Joey\_P](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@Joey\_P](https://boards.straightdope.com/u/Joey_P)\
**Post date:** [March 29, 2011, 12:03pm UTC](https://boards.straightdope.com/t/what-is-that-noise-coming-from-my-truck/115720/8 "2011-03-29T12:03:43Z")

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> [@E350 Ford Super duty Box Truck](https://boards.straightdope.com/t/e350-ford-super-duty-box-truck/576373/1):
>
> I have a unique noise from my truck that sounds like fluttering rather loud at almost all speeds even when the engine is off in neutral coasting.
> 
> Had the front end done checked U joints and DIff…all good. 19,000 miles. Sounds and feels like you have to open a window to relieve air pressure but that doesn’t not help. Tranny was checked too.  
> I’ve been on many BB sites noone can figure it out but its annoying. I have a big box truck with a translucent roof that ocilates a little bit but I’m not sold that it is the roof yet. I almost bought a wind deflector thinking that could be the problem…(wind) but not sure yet because I hear it at even 3MPH its crazy
> 
> I’ll take any thoughts

I think that even though I’m very pro-zombie, this post should be spun off into it’s own thread. I reported it to let a mod make their own decision.

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