Diff breathers

[Clark Kent]

To mount breathers to the transmission and transfer case, it's major. Removing the tailshaft to then remove the transfer case. My transfer case front seal requires replacing a slow leak (under warranty), actually in a fortnight. Yes I have a July 2023 build. Must drive 900 kms to get it done as it's the closest accredited dealer mechanic.

I am told to get to the gearbox, you disassemble the shifter, remove all those covers maybe one seat to get to it. Yes it's major.

Yep, more trouble than it's worth.

 

[HereinDaRockies]

Why do people think aftermarket breather is needed? The axel was designed to not require an after market breather.

because agile said you should get one?

 

[landmannnn]

Why do people think aftermarket breather is needed? The axel was designed to not require an after market breather.

because agile said you should get one?

Virtually every solid axle has a one way breather, be it Jeep, Nissan, Toyota, Landrover etc.

Quoting from 2023...

IThe problem is that these types of one way valves are good at releasing pressure, but if you drive a hot diff and axle into cold water, the pressure is going to suddenly drop, this will slam the valve closed on the breather and stop any water getting in through the breather, all good, but now you effectively have a vacuum and it will try to equalise itself however it can and that is generally through axle seals etc. probably less of a problem when the vehicle is new, but as it ages and wears the more likely that will happen while in the water and then water in the oil leads to premature and excess wear and corrosion.