Hey guys, need your help.
Went out for a quick adventure to some dunes.
But at one point i noticed a sudden loss of power which made me nervous.
I checked under and didnt see anything, it was not until i got home was when i saw this.
img027.jpg
its a loose tube, im guessing its maybe a vaccum line? idk but i couldnt find where to insert it.
Right on top of the transfer case?

Heres a pic of where its coming from to help you guys to help me out
img029.jpg
Any ideas where it goes.

 

Can it maybe be a breather hose???

 

thats what i thought at first, but in lookin a bit more i'm not sure. Can you tell where it comes from

 

It looks like a line to the AC..

 

i couldnt exactly tell, it went up to high and it was too deep in there to see.

i also noticed that it had a zip tie that broke??? idk if that help,
But when i was trying to find the hole it was loose from the top as well.

so the whole hose came right out heres the pics.
whole hose
jeep 001.jpg
upper hose
jeep 002.jpg
lowe hose
jeep 003.jpg

 

Breather for the front axle.

Check the front pig tward the top,there should be a hole. The plastic fitting in the last pic will fit into it.

 

Got dark fast so ill do that tommorrow.
Does it need any adhesive or anything or is it just a clip on.
Where does it connect to from the top?

Curious.. Wats the purpose of this tube?

 

Yep that's it. With the better pics of it...

 

It just presses in to the hole. The tube is a breather, it keeps the diff from building pressure. When the gears are turning at high speed it creats pressure in the diff from all the fluid being churned by the gears, this tube lets it out.

It is long, to keep water out of the diff, if this tube were plugged or pinched the diff would build enough pressure to push the fluid out at all the seals.

 

Its not the gears turning that create the pressure its the fact that friction in there creates heat and heat makes things like oil and air expand. this tube allows the excess air to vent out.

Dont even consider driving through any water crossings with this tube removed unless you want your differential filled with water.

 

This is where it mounts on a HP D30

 

so where does the top go? do i Jus run it up there to the top?
oh man, You think itll be bad if i take it to work, bout 7 miles not going over 35? I Gotta go to work early and its my only ride.

or Should i play it safe and leave it parked till i get home to plug it in.
Ill jus take the bus lol

 

It runs up the UCA and then up the firewall near the brake booster area. You will "probably" be ok if its dry out. If its raining I would find another way to work. But like G P said the fliud expands when it get hot, this could cause it to also spew out of the new hole you have in your front diff.

 

Stupid question but how do i know if mine is a HP 30?

 

It might spew a little oil out.

Main thing is not to let dirt or water in there.