Good Sam Club Open Roads Forum: Class C Motorhomes: Wind noise question
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tomasball

new mexico

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Posted: 12/28/21 11:06am Link  |  Quote  |  Print  |  Notify Moderator

I'm getting used to my 2000 Four Winds. The chassis is Econoline 450. I was driving along wondering if the wind noise I was hearing coming from the passenger's side was unavoidable, when it suddenly stopped. Like a door closing. After a while it started again just as suddenly. I was on a long trip, and as I went the whooshing started and stopped randomly, with no link I could see to anything I was doing. I have a little trouble localizing it other than it seems to be happening behind the dashboard on the passenger side.

way2roll

Wilmington NC

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Posted: 12/28/21 11:39am Link  |  Quote  |  Print  |  Notify Moderator

Was your AC or heat on? Perhaps something opening/closing, fan, vent, whistle with your heat or AC - either in the dash or the house. Maybe radiator or transmission cooler clicking on and off.


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tomasball

new mexico

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Posted: 12/28/21 11:50am Link  |  Quote  |  Print  |  Notify Moderator

AC was on, but I experimented with turning it off or changing mode, and it didn't seem to make a difference.

2oldman

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Posted: 12/28/21 12:45pm Link  |  Quote  |  Print  |  Notify Moderator

I can only sympathize. I have an MDT (truck) and sometimes it's quiet, and sometimes it's like the window is open. Never have been able to pinpoint anything. The only remedy is wearing Bose headphones.

ernie1

Sacramento,California,USA

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Posted: 12/28/21 01:21pm Link  |  Quote  |  Print  |  Notify Moderator

I chased a similar noise in my brand new rv for about 2 1/2 years. It would come and go randomly and kind of sounded like someone blowing over an empty soda bottle and some times like a high pitched sorta squeal. Turns out it was coming from my galley sink drain. This would happen if the p trap would somehow get emptied and the air blowing across the vent in the roof while I was traveling at about 55-60mph. Solution? always keep the sink drain plug screwed down tight.

winnietrey

seattle

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Posted: 12/28/21 01:29pm Link  |  Quote  |  Print  |  Notify Moderator

I think it may have to do with, direction of travel, and direction of the prevailing wind and speed. Seems if conditions are just right it will form a vortex and you will get the noise.

jhlady

Oregon / Arizona

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Posted: 12/28/21 02:21pm Link  |  Quote  |  Print  |  Notify Moderator

Check the joint between the overhead bunk area and the chassis. I had an older Class C start to come apart coming across New Mexico as it would turn out. Had to re-rivet it with heavier and longer rivets all the way around. Steamed to be much better afterwards, but have since traded it off. Hope this helps.

bobndot

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Posted: 12/28/21 05:44pm Link  |  Quote  |  Print  |  Notify Moderator

Could it be the entrance door ? Mine is right behind the passenger seat and that door leaks air. Sitting in the drivers seat, it sounds like its coming from the passenger seat but it isn't.

jdc1

Rescue, Ca

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Posted: 12/29/21 10:20am Link  |  Quote  |  Print  |  Notify Moderator

winnietrey wrote:

I think it may have to do with, direction of travel, and direction of the prevailing wind and speed. Seems if conditions are just right it will form a vortex and you will get the noise.


Ditto. It happens to my Prius this way.

bobndot

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Posted: 12/29/21 11:42am Link  |  Quote  |  Print  |  Notify Moderator

jdc1 wrote:

winnietrey wrote:

I think it may have to do with, direction of travel, and direction of the prevailing wind and speed. Seems if conditions are just right it will form a vortex and you will get the noise.


Ditto. It happens to my Prius this way.


X3, I think awning arms play into it too.

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