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PostPosted: Wed Jul 23, 2014 8:19 pm 
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Location: Darwin... sort of.
garrytre wrote:
Getting a service, we had a poke around today.

As far as we could tell by feeling, the gearbox & transfer case "breathers" on top just form a connection from the gearbox to the transfer case, but with no exit to air. The only actual breather (ie air hole) we could think of, is that the gear stick hole probably isn't air tight.

And the 3 front axle breathers - 2 come out of the axle tube, one comes from the plastic thing on front, possibly the mechanism for changing from 4WD <-> 2WD. Hard to trace without being an octopus, but I think the odd-one-out, ie the tube that isn't in metal, doesn't match the top odd-one-out, ie the tube that goes into the oil reservoir(?). Probably doesn't really matter, because all 3 tops are fairly easily accessible rubber tubes, easy to plug an extension in.

Danno
"This pipe comes from the front of the axle tube about halfway down so it's not above the oil"
perhaps it keeps a constant oil level, something like the reservoir that the radiator fills & empties as it needs.

And I'm trying to think why I never heard of an engine breather. Perhaps because with all the emission controls, the crank case is plumbed into the air intake system.


I nearly have this completely sussed out now, I have been working on this on and off when time allows, I was just going to have a chat with someone in the next few days who may have a few ideas about how those tubes you can feel on top of box work, because typically it's not as straightforward as you would think.
The gearstick is sealed and they do actually exit to air but you'll be surprised where it is, it took me ages to figure it out and would have been hilarious to watch.

For the record what GrahamL has been told in one of the posts above is rubbish, the gearbox does not have to be removed but you still will have to be reasonably handy with the tools but it's easy enough, I'm just working out the details on that too or whether it's even necessary.

I'm 90% sure that the plastic thing on the front is actually the shift on-the-fly unit as you've noted.

Just wasn't going to post anything up until I'm sure of everything so as soon as I've sorted all this I'll post up all the details for anyone who wants or needs to do it.

You have heard of an engine breather..it's called an "intake" I think...

Cheers.

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PostPosted: Thu Jul 24, 2014 4:32 am 
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Look forward to your next post Danno!
Thanks for persisting with this.

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PostPosted: Wed Feb 11, 2015 1:12 pm 
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Joined: Wed Feb 05, 2014 1:22 am
Posts: 632
Location: adelaide hills
Finally.
We've stuck breathers on every hole I can think of pretty much as per Danno's
viewtopic.php?f=16&t=549&p=7215&hilit=breather#p7215

Front diff, axle and actuator. The 1 that goes through the box of unknown function was left routed through it.
3

Trx case and gbox were T'ed.
2 -> 1

1 rear actuator, separate as it's a skinner tube.

1 rear diff.

So I've got a pretty bank of 6 filters under the bonnet.

Next hole to worry about is the one in the EGR. I'm guessing that exhaust gasses blow out of that, even underwater, unless the motor stops, then big problems. Am I right? Has anybody made a heatproof square breather attachment for that?


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PostPosted: Wed Feb 11, 2015 6:02 pm 
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Location: Darwin... sort of.
How come you brought them all to the battery side?

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PostPosted: Thu Feb 12, 2015 5:39 am 
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Joined: Tue Oct 15, 2013 7:54 pm
Posts: 1990
Location: Darling Downs. Qld
garrytre wrote:
Trx case and gbox were T'ed.
2 -> 1


About to finally install my breathers this weekend.

Take it you have an auto box. Is that correct? I had a brief look under mine and could feel a tube going from the auto towards the front of the vehicle. I couldn't feel a second tube for the transfer case. What did you "T" and where?

I could easily find the smaller actuator breather.

Thanks

Tink


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PostPosted: Thu Feb 12, 2015 7:58 am 
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Location: adelaide hills
Danno wrote:
How come you brought them all to the battery side?

Kym the mechanic didn't want to put tubing near the exhaust.
Do you see a prob with the battery side?

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PostPosted: Thu Feb 12, 2015 8:10 am 
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Location: adelaide hills
Tink wrote:
garrytre wrote:
Trx case and gbox were T'ed.
2 -> 1

Take it you have an auto box. Is that correct?

No, manual.
Tink wrote:
I had a brief look under mine and could feel a tube going from the auto towards the front of the vehicle. I couldn't feel a second tube for the transfer case.
Tink

The best I've seen is Danno's
viewtopic.php?f=16&t=549&p=7215&hilit=breather#p7215
which was for a manual.
If an auto is different, maybe you stick note &/or a couple of pix how you do it on this or Danno's thread.

Tink wrote:
What did you "T" and where?

2 fat tubes from the gbox & trx T'ed approx left of and beside the gear stick. Skinny tube from the actuator.

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PostPosted: Thu Feb 12, 2015 8:14 am 
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Location: Darling Downs. Qld
Thanks

Tink


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PostPosted: Thu Feb 12, 2015 8:33 am 
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Location: adelaide hills
Danno wrote:
....the oil separator?? behind the headlight, not sure of it's purpose and I've never seen anything like it from a diff before

Danno did you ever work out just what this is, and exactly where it comes from?

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PostPosted: Thu Feb 12, 2015 1:52 pm 
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Location: Darwin... sort of.
garrytre wrote:
Danno wrote:
How come you brought them all to the battery side?

Kym the mechanic didn't want to put tubing near the exhaust.
Do you see a prob with the battery side?


Nope, just curious.

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