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ARB Air Locker oil leak

General Tech Talk

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ARB Air Locker oil leak

Post by matt.mcinnes »

After a run out to Anglesea and back the rear locker is leaking oil from the solenoid.

New ARB locker, not even used yet, but been in there almost 10 months with no issues. Tested and working after install, jacked off the ground.

Causes?

Diff breather is not blocked.
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Re: ARB Air Locker oil leak

Post by mattlux »

matt.mcinnes wrote:After a run out to Anglesea and back the rear locker is leaking oil from the solenoid.

New ARB locker, not even used yet, but been in there almost 10 months with no issues. Tested and working after install, jacked off the ground.

Causes?

Diff breather is not blocked.

oil in the locker from assembely had 2 of mine do it for the first few times of using it.
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Re: ARB Air Locker oil leak

Post by matt.mcinnes »

mattlux wrote:
matt.mcinnes wrote:After a run out to Anglesea and back the rear locker is leaking oil from the solenoid.

New ARB locker, not even used yet, but been in there almost 10 months with no issues. Tested and working after install, jacked off the ground.

Causes?

Diff breather is not blocked.

oil in the locker from assembely had 2 of mine do it for the first few times of using it.
It has not been used apart from testing after install.

There is also more oil than would be used for assembly.

This new design was a pain to fit, making sure you don't damage the internal air line while fitting as it crosses over the crown wheel.

Guess I'll just have to pull the axles and diff out and see what's what.

Will drop ARB an email tomorrow too.
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Post by dat383 »

diff not breathing properly.
not enough preload on carrier bearings.
seal housing not floating on airlocker properly.
damaged o rings caused by any of the above.

your oil in the air lines will come down to at least one of these things.
who built the diff?
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Post by matt.mcinnes »

dat383 wrote:diff not breathing properly.
not enough preload on carrier bearings.
seal housing not floating on airlocker properly.
damaged o rings caused by any of the above.

your oil in the air lines will come down to at least one of these things.
who built the diff?
Agmech at Bayswater.

Will strip it out and have a look next weekend, not happy though as it is unused to date.
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Re: ARB Air Locker oil leak

Post by joeblow »

matt.mcinnes wrote: Tested and working after install, jacked off the ground

a professional fitter would have a test rig to bench test it.....well....on a bench and not once its in the car.


this is the internet :roll: ..............take it back to the fitter.
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Re: ARB Air Locker oil leak

Post by matt.mcinnes »

joeblow wrote:
matt.mcinnes wrote: Tested and working after install, jacked off the ground

a professional fitter would have a test rig to bench test it.....well....on a bench and not once its in the car.


this is the internet :roll: ..............take it back to the fitter.
I fitted it and tested it.
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Re: ARB Air Locker oil leak

Post by marin »

matt.mcinnes wrote:
joeblow wrote:
matt.mcinnes wrote: Tested and working after install, jacked off the ground

a professional fitter would have a test rig to bench test it.....well....on a bench and not once its in the car.


this is the internet :roll: ..............take it back to the fitter.
I fitted it and tested it.
I think he meant installing the locker itself, not just putting the diff into the housing/car.
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Post by bad_religion_au »

it's not a detroit :P
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Post by Ferwoaza »

Turning it on and off every now and then helps as well. Pushes any oil that has got into the air line from contraction and expansion, back into the diff.
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Post by bazzle »

And what is it fitted too?

Bazzle
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