It just allows the fumes to vent, there should be no problem tying the two vents together.
See the URLformatting linkThis has a good explanation of the NV3550 trans vent and extending it upto
> where it should be for the Rubi.
> I'm not sure if tying the two vents together (NV241 and NV3550) is a good
> idea. I think I'd just extend the NV241 vent up to where it should be and
> bring another separate one up for the NV3550.
> Bob
>
>
> >
> > > Jerry:
> > > Yes, the Roc-Trac (NV241) has a remote vent as Bill's FSM > illustration
> > > shows. However, instead of extending the vent tube to where it should > be
> > > (top of the firewall, perhaps?) they terminate it by laying the end of > the
> > > hose (with the plastic breather cap) on top of the trans. bell housing > (on
> > > the '03 Rubi.) after routing it around behind and over the top of the
> > > transfer case and following the wiring loom up the RH side of the
> > > transmission (NV3550).
> > > By the way, where is the breather (and tubing, if any) for the > > NV3550 -
> > > be damned if I can find it???
> > > Bob Brace
> > >
> > That 3500 probably has no vent. The NP231 tcase, on the other hand, should
> > have a vent. If the vent terminates on top of the trans or up on the
> > firewall shouldn't matter until the lower of those two points is under > > water.
> >
> > I think that JerryB is right, somebody is misunderstanding reality. > >
> >
> >
> >
> > > > Wrangler transfer cases have had remoted vents for many years now. If
> > you
> > > > heard him say it blew a seal from lack of a vent, either someone was
> > > > misunderstood or he was just plain wrong. Even the transmission > finally
> > > has
> > > > a remote vent on the latest, like 2003 and newer, transmissions. > > > >
> > > > Jerry
> > > > --
> > > > Jerry Bransford
> > > > To email, remove 'me' from my email address
> > > > N6TAY, PP-ASEL
> > > > See the Geezer Jeep at
> > > >formatting link> > >
> > > > > On Tue, 16 Mar 2004 16:15:30 -0800, Hughes III
> > > wrote:
> > > > >
> > > > > > Interesting, I think I'd tap the fill plug. God Bless America, > ßill
> > > > > > O|||||||O
> > > > >
> > > > > that is what a co-worker and i were discussing. i just found this
> > > > website:
> > > > >formatting link> > > > the pics there show a vent tube next to the fill plug.> > > > >
> > > > > i would go outside and crawl under the jeep, but my wife had to take
> > it
> > > to
> > > > > work.
> > > > >
> > > > >
> > > > > --
> > > > > bob z.
> > > >
> > > >
> > >
> > >
> >
> >
>
>