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Trail Gear diff breathers.

General Tech Talk

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Trail Gear diff breathers.

Post by Drift Technician »

Has anyone used the Trail Gear diff breathers and are they available here in Australia?

http://www.trail-gear.com/diff-breather.html

Image

After sucking a gutful of water into my diffs and redoing the front end, I want to re do the breathers front and rear.

On my old Hilux i used the hose and filter method with good results but I'm looking for something a little tidier and not having to run hose everywhere and the Trail Gear ones look like they fit the bill perfectly.

Anyone had experience with these breathers or can recommend something similar?
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Post by Z()LTAN »

Yeah mate i have them on my landcruiser, have been working perfectly so far.

Talk to chris or tash here

http://locktup4x4.com.au/hilux-solid-fr ... t-549.html
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Post by chunks »

They are a bit funny looking, but a bloody good idea!
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Post by ADAM 26 »

i was looking/ thinking of a nice easy/ neat way to do diff brethers. this way looks nice, but i hate waiting for things to be ordered in!

could i connet a line from the top of the dif then the other end into the air box? this way it would be filtered air and it will be as dry as what the engine is brething.

would this work ok or not?
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Post by Drift Technician »

Z()LTAN wrote:Yeah mate i have them on my landcruiser, have been working perfectly so far.

Talk to chris or tash here

http://locktup4x4.com.au/hilux-solid-fr ... t-549.html
Thanks mate will look into it.
ADAM 26 wrote:i was looking/ thinking of a nice easy/ neat way to do diff brethers. this way looks nice, but i hate waiting for things to be ordered in!

could i connet a line from the top of the dif then the other end into the air box? this way it would be filtered air and it will be as dry as what the engine is brething.

would this work ok or not?
Correct me if I'm wrong but breathers also vent outwards which would mean it would vent into the airbox? I don't know if this would cause any harm, perhaps someone could enlighten this further?
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Post by alien »

only if the diff oil made it up the line into the airbox... pretty unlikely given the expansion/contraction likely in a diff housing. Also, having it in the airbox where theres a snorkel etc attached would mean positive pressure in the airbox pushing down the diff's airline.
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Post by Struth »

Now they look like a great idea, just need a bit of pipe or similar around them for armour plating.

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Post by hilux79 »

ADAM 26 wrote:i was looking/ thinking of a nice easy/ neat way to do diff brethers. this way looks nice, but i hate waiting for things to be ordered in!
Wouldn't be worried about the wait, I've never had to wait long for any of my orders from locktup.
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Post by ADAM 26 »

yeah i know the wait isnt that long, but im impatent! lol.
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Post by ADAM 26 »

alien wrote:only if the diff oil made it up the line into the airbox... pretty unlikely given the expansion/contraction likely in a diff housing. Also, having it in the airbox where theres a snorkel etc attached would mean positive pressure in the airbox pushing down the diff's airline.
to gain possitive pressure in the airbox you would have to be going along the road at 200+ kmh!
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Post by TheOtherLeft »

Could there be a problem with the lower pressure area after the filter due to the engine sucking?
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Post by jessie928 »

ADAM 26 wrote:
alien wrote:only if the diff oil made it up the line into the airbox... pretty unlikely given the expansion/contraction likely in a diff housing. Also, having it in the airbox where theres a snorkel etc attached would mean positive pressure in the airbox pushing down the diff's airline.
to gain possitive pressure in the airbox you would have to be going along the road at 200+ kmh!
its probably easy to pressurise the airbox with a snorkel. I reakon at 100km/h just take your foot off the accellerator while coasting in neutral....
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Post by alien »

i was even thinking just a gear change at highway speeds... let alone if you did it into a headwind.
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Post by Wambat »

they look like a pretty good idea, only thing i would be concerned about is them deteriorating or being ripped off, i think it would take a little more effort to get the hose i have on there ripped off, but still a good idea, i might consider them, specially for 20 bucks
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Post by Z()LTAN »

DO NOT PUT ANY BREATHER INTO AN ENGINE INTAKE AIRBOX!!!!

The vacuum WILL create a low pressure in the diffs/gearbox/transfer and when going through water, they will suck water in past the seals.

99% of all externally facing seals only seal one way....
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Post by bazooked »

Wambat wrote:they look like a pretty good idea, only thing i would be concerned about is them deteriorating or being ripped off, i think it would take a little more effort to get the hose i have on there ripped off, but still a good idea, i might consider them, specially for 20 bucks
thats us dollars mind u :finger:
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Post by Drift Technician »

bazooked wrote:
Wambat wrote:they look like a pretty good idea, only thing i would be concerned about is them deteriorating or being ripped off, i think it would take a little more effort to get the hose i have on there ripped off, but still a good idea, i might consider them, specially for 20 bucks
thats us dollars mind u :finger:
Correct.

$35 each free delivery from Locktup here in Aus, link was above.
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Post by ADAM 26 »

Z()LTAN wrote:DO NOT PUT ANY BREATHER INTO AN ENGINE INTAKE AIRBOX!!!!

The vacuum WILL create a low pressure in the diffs/gearbox/transfer and when going through water, they will suck water in past the seals.

99% of all externally facing seals only seal one way....
ahh yeah thats a fair point. looks like ill be using some clear hose and some fuel filters!
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Post by me3@neuralfibre.com »

I reckon you would need a lot more volume than that to allow for expanding / contracting air from hot to cold.

Anyone prove me wrong?

Not big enough volume.

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Post by SIMMO84 »

me3@neuralfibre.com wrote:I reckon you would need a lot more volume than that to allow for expanding / contracting air from hot to cold.

Anyone prove me wrong?

Not big enough volume.

Paul
Glad you said it, Maybe in a comp rig but I would never seal any diff housing ( thats what you are doing with these) on a daily driven rig. 99% of hub seals I do at work are due to blocked breathers And something that has the volume of approximatly 100c will never allow for for the expansion of approx 20L of oil and air. IMHO
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Post by 80's_delirious »

Z()LTAN wrote:DO NOT PUT ANY BREATHER INTO AN ENGINE INTAKE AIRBOX!!!!

The vacuum WILL create a low pressure in the diffs/gearbox/transfer and when going through water, they will suck water in past the seals.

99% of all externally facing seals only seal one way....
what he said ^^


I tried this on my TD 80series, there was definite signs that oil was being drawn up from diffs into the air box.

And a snorkel is not going to give any measurable 'ram' effect at the speed any street driven 4by will reach
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Post by its aford not a nissan »

anyone see any problems with leaky airlockers ?????
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Post by RUFF »

its aford not a nissan wrote:anyone see any problems with leaky airlockers ?????
That could be a problem. As once the bellow fully expands its going to start blowing seals real fast.
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Post by its aford not a nissan »

i thought i would throw it out there as it didnt look like " the leaky air locker problem " had been looked at
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