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| whoobeling / Helico sound http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=31599 |
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| Author: | nightshift [ Wed Apr 16, 2008 8:12 am ] |
| Post subject: | whoobeling / Helico sound |
We all know that the liby got like a heli sound (whoobeling/ humming) when the back door window are down.I would like to know if that sound go away if you got one or the other :the renegate lightbar or the plastic on the roof rack, just like the renegate. I also made myself some crossbar out of aluminium SQUARE tubing that i had,when nothing is on it. The win make them do the same humming sound. I take them out when i don't need them.Does the MOPAR or a other brand (round one or oval)do the same thing when nothing is on it. Just can't stand that noise! thank 2002 Limited Nightshift. |
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| Author: | Tokyojoe [ Wed Apr 16, 2008 8:24 am ] |
| Post subject: | |
Nope. Still get that sound with Reny light bar and with the Reny Tupperware roof rack. |
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| Author: | WoodysKJ [ Wed Apr 16, 2008 8:25 am ] |
| Post subject: | |
WOW, the french to english translation is tough to read... ANYTHING on the roof such as light bar, tuperware, etc will result in wind noise. ANY cross bar will have some level of wind noise. the oval ones, theoreticly, will have less due to less wind resistance. good luck. |
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| Author: | DryBones [ Wed Apr 16, 2008 8:34 am ] |
| Post subject: | |
the owners manual calls what you are describing as "wind buffeting". I believe because the KJ gets slightly wider as you move from front to back that the rear windows"catch" the air and the presure in the cabin then won't allow it to circulate properly back out so you get that annoying, almost painful sound/feeling in your ears. best way to deal with it is to leave the rear windows up when highway driving. 
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| Author: | Jeep Dawg [ Wed Apr 16, 2008 9:18 am ] |
| Post subject: | |
I ALWAYS have my windows down. Winter too. I have found that if both front windows are open and I open the back windows half way, the noise is not as bad. But, If I have the fronts open and the drivers side pass window half way and the back pass window open 1/4 of the way, the noise does not happen at all. I also have rain guards on my KJ. not sure if that helps to lower that noise. Oh yea, I have the light bar and I did notice more roof noise after I installed it. |
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| Author: | nightshift [ Wed Apr 16, 2008 2:12 pm ] |
| Post subject: | |
Thank you Tokyojoe! Sorry about my english to! But the good news is i got room to improve! Nightshift |
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| Author: | tjkj2002 [ Wed Apr 16, 2008 2:17 pm ] |
| Post subject: | |
I have the renny light bar and a roof rack and I get no wind noise from it. Quote: DryBones You are correct,adding vent visors and just cracking the windows instead of having them all the way down helps alot.I kinda enjoy that sound though since I have blown both ear drums 3 times it is kinda soothing and help my ears pop when changing altitude.
the owners manual calls what you are describing as "wind buffeting". I believe because the KJ gets slightly wider as you move from front to back that the rear windows"catch" the air and the presure in the cabin then won't allow it to circulate properly back out so you get that annoying, almost painful sound/feeling in your ears. best way to deal with it is to leave the rear windows up when highway driving. |
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| Author: | bugnout [ Wed Apr 16, 2008 3:09 pm ] |
| Post subject: | |
I have considered seeing if Chrysler Caravan rear windows or at least there mechanism would work on a Liberty. They are like a power vent. Would be nice to be able to pop them open and suck the air through the cabin. |
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| Author: | Jeep4me99 [ Wed Apr 16, 2008 3:41 pm ] |
| Post subject: | |
[quote="Jeep Dawg"] But, If I have the fronts open and the drivers side pass window half way and the back pass window open 1/4 of the way, the noise does not happen at all. I also have rain guards on my KJ. quote] wow...do you have a metric conversion for that?
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| Author: | Jeep Dawg [ Thu Apr 17, 2008 1:10 pm ] |
| Post subject: | |
Jeep4me99 wrote: Jeep Dawg wrote: But, If I have the fronts open and the drivers side pass window half way and the back pass window open 1/4 of the way, the noise does not happen at all. I also have rain guards on my KJ. quote] wow...do you have a metric conversion for that? LMAO! The metric conversion for that statement is as follows: 1x6 to the 2nd power = DRUNK + trying to write up a post and make it understoodable = No HOPE |
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