Diff Breather

[BigRAWesty]

I recall reading somewhere that you'll need to make sure it's oil resistant type hose, otherwise down the track the hose may break down


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Yea absolutely.. you will get some diff oil mist coming into the hose so oil resistance is a must

[mudski]

I did similar to mudnut, rubber hose with small fuel filters on the end. Did a loop with the end of my hose, not enough to crimp it, but thinking if I am ever deep enough, hopefully create a bit of an 'air lock' in the hose itself. Time will tell, but so far so good.

Yep. one rubber hose running from the rear diff right along to the engine bay and just some barbed T pieces inline for where the gearbox, transfer and front diff go in. With a filter at the end....
Decent rubber will outlast and be much stronger than the nylon tubing commonly used.

[Throbbinhood]

Yep. one rubber hose running from the rear diff right along to the engine bay and just some barbed T pieces inline for where the gearbox, transfer and front diff go in. With a filter at the end....
Decent rubber will outlast and be much stronger than the nylon tubing commonly used.

Yeah I figured the same, decent rubber will last. 10m roll of fuel hose was enough for two cars, running individual lines rather than t-piecing in (personal preference). Think it was less than $100 to do my gq and my old man's GU. I used a bit of silicone (the oil resistant one) around the joins to the barb, just to be sure.

Also for others, use something that's rated for a bit of heat (which is why I chose fuel hose). The gearbox/transfer breathers ran close to my exhaust, the original tube I ran melted pretty quick which is why I upgraded to the fuel hose. 12 months on and no issues. FWIW I've run them as far away from the exhaust as possible.