How many of you guys have had to extend your front rear end transfer case transmission breather tubes? Do they have to be extended on a Rubicon?

 

Depends on how deep you go into water. If you have an auto tranny, they are pretty high from the factory. You risk hydrolocking your motor if you don't have a snorkel and go any deeper. If you lift your Jeep, you can pull some slack out, or add a couple inches to each line to go even deeper.

If you have a snorkel, you should extend the lines to air filter housing. Unless your snorkel is not for actually fording (just for show or to draw cool air).

If you have a manual tranny, it doesn't have an OEM breather line. It is a good idea to add one to the vent hidden under the center console.

 

Many of us have extended them.

It makes no difference if you've got a Rubicon, your lines aren't longer or shorter.


My front diff line sits on the top of the firewall by the large harness, the rear is in the top of the passenger tail light housing.....if I get in that deep then I've probably got other things to worry about. Deepest I've been without a snorkel is 40" with video as proof.

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I got the River Raider smiling Bob extention kit and tied all my breathers into my air box and since I run an aev snorkel, they breathe from roof hight. Half hour to do it all. A lot faster than the diy method, more money but it's faster and cleaner.... And yes the rubi needs it too. But the auto transmission breather is a BITCH to find.... U gotta have eyes on ur finger tips to find it up there lol

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Thanks I don't plan on getting my floor wet so looks like I'll be fine for now

 

I was wheeling with a guy, and we kept smelling oil smoke. He just had his diffs seviced, and the shop must have overfilled them ( he has ARB covers with a dipstick ), because where front one is on the shock housing it was spitting oil on the exhaust of his 3.8. I moved the diff tubes, but the transfer case tube is right behind the right head. I have a manual so that one is inside. The put the front one by the booster, and the rear one by the taillight. I do my own service, so I don't have worry about some one overfilling them.

 

Isn't this the line that is on the firewall right behind the motor? Or is that the t-case?

 

The transfer case, for a manual. The auto also has one that disappears up there somewhere. Best to just find it at the tranny follow it up from there. Cut off as far up as you need to connect it to a breather tube extension set, if that's what is in mind.

 

Gotcha. I always thought this was the tranny (manual). So, do the manuals have a vent that I need to extend? If so, where is it roughly (top, top driver, top passenger, etc)? Thanks.

 

The auto trans is the only breather I can't find on mine.... I've look a bunch of times with no luck, and I still have the "T" fitting for it here too......

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