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Old 03-02-2011, 02:49 PM   #1
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Snorkel- Breather Tubes Question

Ok,
Got the Snorkel & Hood Installed and loving it....

I have a 2011 Rubi and have seen post where people are complaining about their jeeps overheating. I have not experienced this yet but does beg the question:
Does the snorkel help\hinder in this at all or is indifferent?

Also I plan on extending the breather tubes into the air box. Does this actually help in the cooling process of the Axles and Tranny; Is there such a thing? I know they can get hot and the tubes are used to vent but do they actually help in the cooling process?

Just some thoughts I was curious about.
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Old 03-02-2011, 05:27 PM   #2
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Yep, there is such a thing (it's on my shopping list too) - Smilin' Bob's Breather Hose Extension Kit - $48.00 : River Raider Off Road LLC., The home of quality jeep parts.

I don't see how it could improve cooling at all, rather it will help stop water getting into places it shouldn't.

Can't speak to the snorkel hindering cooling though, I don't have one (again, on my shopping list).

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Old 03-02-2011, 08:46 PM   #3
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The breather hose extension does nothing for the cooling. All it does is stop water from entering your axles, transaxle and transmission through the breather tubes.. A must if you have a snorkel and plan on water runs.

If you want to address automatic transmission heating then you can get an Axillary Transmission cooler. I got an B&M installed on mine. May have never needed it but have the piece of mind just in case. There is a thread on it right now.
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Old 03-02-2011, 08:54 PM   #4
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Quote:
Originally Posted by jb3rry
Ok,
Got the Snorkel & Hood Installed and loving it....

I have a 2011 Rubi and have seen post where people are complaining about their jeeps overheating. I have not experienced this yet but does beg the question:
Does the snorkel help\hinder in this at all or is indifferent?

Also I plan on extending the breather tubes into the air box. Does this actually help in the cooling process of the Axles and Tranny; Is there such a thing? I know they can get hot and the tubes are used to vent but do they actually help in the cooling process?

Just some thoughts I was curious about.
If you run your breather tubes into your airbox you are gonna be forcing very humid air into your intake system. The breather tubes not only allows breathing, but also is used as a burn off hose, which means when you do get water in your difs and tranny, your tranny heat will actually evaporate the water and these hoses are one way for the moisture to escape. I would just recommend raising them up about 6 inches or so.
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Old 03-03-2011, 08:02 AM   #5
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If you run your breather tubes into your airbox you are gonna be forcing very humid air into your intake system. The breather tubes not only allows breathing, but also is used as a burn off hose, which means when you do get water in your difs and tranny, your tranny heat will actually evaporate the water and these hoses are one way for the moisture to escape. I would just recommend raising them up about 6 inches or so.

Very interesting... This is one I havent heard and makes a lot of sense.... Thanks
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Old 03-03-2011, 12:50 PM   #6
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I'd worry more about water getting into your differential, than about humid air - just my 2 cents - it gets pretty humid in Boston, but so far, no complaints from the Jeep
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Old 03-03-2011, 01:44 PM   #7
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I'd worry more about water getting into your differential, than about humid air - just my 2 cents - it gets pretty humid in Boston, but so far, no complaints from the Jeep
vze2372e, Are you running yours through the Air Box or just extending them ?

I am still bouncing both ideas around but it seems like just extending them is only as good up to the point you extended them.

For example if snorkel if roof high then breather tubes in engine compartment is the weak link....Seems like they need to be the same hieght as the snorkel....
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Old 03-03-2011, 03:26 PM   #8
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I bet someone could fab you something that ran up the side of the snorkel so you don't contaminate the engine's intake air, while still allowing the breather tubes to still be as high as the snorkel's opening.... Just a thought. I'm no engineer or anything.
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Old 03-03-2011, 06:01 PM   #9
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Originally Posted by vze2372e
I'd worry more about water getting into your differential, than about humid air - just my 2 cents - it gets pretty humid in Boston, but so far, no complaints from the Jeep
I bet it doesnt get near as humid as arkansas, probably not even close.
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Old 03-04-2011, 10:33 AM   #10
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eh I was just poking a little fun at all that humid air blowing from a breather tube - it's just a vent - it's not going to affect anything unless you get water in there (in which case you replace the fluid)

In answer to the question - the River Raider Breather kit goes from the back axle, along the undercarriage to the transfer case etc and terminates in a T - you cut the breather going into the stock airbox and T it in there. So all your breathers terminate in the line going to the airbox.

Frankly going any higher wouldnt make much sense anyway. Snorkels are great for keeping a splash from hydrolocking you, but if water reaches the level of your dashboard, you have bigger issues.

My airflow is goes into the snorkel, into the airbox which is sealed on the bottom and at the flange with RTV Black Silicone. That keeps it airtight. Coming from the side of the stock airbox is a stock breather hose (crankcase vent tube perhaps? never looked that close to be honest) You cut the line and insert a T. Then T off and daisy chain all the way to the back axle so they all share a common line. This keeps EVERYTHING sealed and dry.

It works perfectly
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Old 03-04-2011, 10:37 AM   #11
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Old 05-15-2011, 10:52 PM   #12
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Could you just run them into the airbox and drill al hole in the bottom of the box and seal it with silicone?
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Old 05-15-2011, 11:30 PM   #13
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Quote:
Originally Posted by ncossey View Post
If you run your breather tubes into your airbox you are gonna be forcing very humid air into your intake system. The breather tubes not only allows breathing, but also is used as a burn off hose, which means when you do get water in your difs and tranny, your tranny heat will actually evaporate the water and these hoses are one way for the moisture to escape. I would just recommend raising them up about 6 inches or so.
If you run your breather tubes to your airbox with something like Smilin Bobs kit, how do you get water into the diffs/tranny, especially if running a snorkel?

Not trying to argue, but just doesn't make sense. Maybe I am missing something
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Old 05-15-2011, 11:51 PM   #14
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^^So I ran my tubes straight into the airbox below the filter and siliconed them in this is good correct? Should have no issues?
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Old 05-16-2011, 01:25 AM   #15
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I bet it doesnt get near as humid as arkansas, probably not even close.
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Old 05-16-2011, 11:36 AM   #16
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Okay so the question still remains, I ran the two hoses into my airbox under the filter and sealed them via silicone. Is this safe engine wont suck oil into the filter and intake correct? I want to make sure prior to starting my JEEP.
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Old 05-16-2011, 11:45 AM   #17
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No, look at the link in post 11. When you go there, go to the forum. They did a lot of testing on this. Been running mine since the first of the year with no issue
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Old 05-16-2011, 11:55 AM   #18
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If you run your breather tubes into your airbox you are gonna be forcing very humid air into your intake system. The breather tubes not only allows breathing, but also is used as a burn off hose, which means when you do get water in your difs and tranny, your tranny heat will actually evaporate the water and these hoses are one way for the moisture to escape. I would just recommend raising them up about 6 inches or so.

Seeing as how the point of the breather tube is to not allow water to get in, why would there be water in your diff and tranny? Doesn't make logical sense.
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Old 05-16-2011, 11:56 AM   #19
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Still lost how would it hurt? Just wondeirng
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Old 05-16-2011, 12:02 PM   #20
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The breather tube extensions shouldnt hurt anything.
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Old 05-16-2011, 01:48 PM   #21
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Update:

I decided to run the breather tubes using the Smilin Bob's extension. I would recommend doing the same thing but going cheaper. The kit actually has you run a "T" connector at the hose that extends from the air box into the engine. So technically it doesn’t go into\pass through the air box. The air box still needs to be sealed so you don’t have water come up through the drain holes in the bottom or the sides. Now I know your thinking If the water is that high you probably will blow electrical. So a lot of this just depends on how anal or gung-ho you want to get. I am taking Noah's approach and preparing for the flood

PS... Zombie can't swim
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Old 07-06-2013, 02:05 PM   #22
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i plan on extending all my tubes here in the next week, just gonna run them into the cab of the vehicle, takes care of any water getting at them at all. probably going to put them into the back storage compartment as i have a sub box that covers it and they are out of the way and hidden.
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Old 07-06-2013, 07:04 PM   #23
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i plan on extending all my tubes here in the next week, just gonna run them into the cab of the vehicle, takes care of any water getting at them at all. probably going to put them into the back storage compartment as i have a sub box that covers it and they are out of the way and hidden.
I have a breather write-up you might want to check out. http://www.wranglerforum.com/f33/ext...se-185089.html

I saw pictures of a guy that ran the rear axle breather up the rear roll bar under the cover. He basically used the technique I use but kept going. He said it didn't smell or create issues.

I also saw a guy who ran a hose through the driver side firewall hole and up to the top of the a-pillar under the plastic. The hose went from the engine, under the cowl, through the firewall hole filled with expanded foam, then up and under the plastic to the top. To see the firewall hole you remove the plastic panel on either side of the dashboard to see a pass through location. You just tug the 4 or 5 clips to remove the side panel.

I think both are just a bit too risky. If the breathers were to overflow, it would stink bad forever. It's not hard at all to overfill aftermarket diff covers.
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Old 07-06-2013, 10:52 PM   #24
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Awesome write up rooster! Gonna help a lot that's for sure

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