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leaking rear axle seals
https://auszookers.com/forum/viewtopic.php?f=5&t=12919		 Page 1 of 1
Author:  lump_a_charcoal [ Sun Jun 20, 2010 11:38 pm ]
Post subject:  leaking rear axle seals
What would cause a rear axle seal to prematurely fail in a Sierra?

Bent axle, worn axle, what else?

At the moment I am getting about 8-9 months out of a rear axle seal, which sux!
Author:  want33s [ Sun Jun 20, 2010 11:46 pm ]
Post subject:  Re: leaking rear axle seals
Most times premature failure is due to the way the axle was put back into the diff tube causing damage to the seal.
Author:  Scrawny [ Sun Jun 20, 2010 11:49 pm ]
Post subject:  Re: leaking rear axle seals
The way the seal was fitted, seal surface on the axle worn, bearing play?

I personally don't think aftermarket seals are any worse than genuine ones
Author:  lump_a_charcoal [ Sun Jun 20, 2010 11:51 pm ]
Post subject:  Re: leaking rear axle seals
Surface maybe, bearings are about a year old - mechanic is pretty good.
Author:  shep [ Sun Jun 20, 2010 11:53 pm ]
Post subject:  Re: leaking rear axle seals
bent housing, leaking air locker.
Author:  Scrawny [ Sun Jun 20, 2010 11:55 pm ]
Post subject:  Re: leaking rear axle seals
Then just use Steves method of replacing everything till it's fixed :lol: :lol:
Author:  lump_a_charcoal [ Sun Jun 20, 2010 11:55 pm ]
Post subject:  Re: leaking rear axle seals
Yeah I am concerned it might be the housing - Airlocker isn't on enough for that to be it.
Author:  zukmeista [ Mon Jun 21, 2010 1:03 am ]
Post subject:  Re: leaking rear axle seals
Mud???
Author:  lump_a_charcoal [ Mon Jun 21, 2010 1:09 am ]
Post subject:  Re: leaking rear axle seals
Nope, not recently.
Author:  Zookin_85 [ Mon Jun 21, 2010 1:09 am ]
Post subject:  Re: leaking rear axle seals
Has the axle been out with in the last say 3 weeks?
If it has then i would say the seal has been pinched, I have to replace mine as i nicked the seal when refitting my axe the other week and it is now weeping.
I would look at replacing the hub seal.

If it always happens what side does it happen on??
or is it both?
Author:  lump_a_charcoal [ Mon Jun 21, 2010 1:16 am ]
Post subject:  Re: leaking rear axle seals
It hasn't been out since the last time it was replaced, about 9 months ago.
Author:  Zookin_85 [ Mon Jun 21, 2010 1:20 am ]
Post subject:  Re: leaking rear axle seals
Is it one side all the time our both?
Author:  weaves [ Mon Jun 21, 2010 2:20 am ]
Post subject:  Re: leaking rear axle seals
Diff breather isn't blocked? causing the diff to pressurise?
Author:  joeblow [ Mon Jun 21, 2010 2:26 am ]
Post subject:  Re: leaking rear axle seals
you get a year out of standard bearings?....thats pretty good.
Author:  lump_a_charcoal [ Mon Jun 21, 2010 2:35 am ]
Post subject:  Re: leaking rear axle seals
Zookin_85 wrote:
Is it one side all the time our both?


Passenger side more often I think
Author:  lump_a_charcoal [ Mon Jun 21, 2010 2:36 am ]
Post subject:  Re: leaking rear axle seals
weaves wrote:
Diff breather isn't blocked? causing the diff to pressurise?


breather is good, both sides would leak if it was blocked I reckon.
Author:  lump_a_charcoal [ Mon Jun 21, 2010 2:36 am ]
Post subject:  Re: leaking rear axle seals
joeblow wrote:
you get a year out of standard bearings?....thats pretty good.



You serious?
Author:  BlueSuzy [ Mon Jun 21, 2010 3:07 am ]
Post subject:  Re: leaking rear axle seals
lump_a_charcoal wrote:
joeblow wrote:
you get a year out of standard bearings?....thats pretty good.



You serious?


x2!
Author:  adrian_gadaleta [ Mon Jun 21, 2010 3:49 am ]
Post subject:  Re: leaking rear axle seals
damaged/non existent splashguard inside the housing will cause more oil to reach the seal, increasing heat and wear and would be more likely to fail.
Author:  whincup [ Mon Jun 21, 2010 7:25 am ]
Post subject:  Re: leaking rear axle seals
adrian_gadaleta wrote:
damaged/non existent splashguard inside the housing will cause more oil to reach the seal, increasing heat and wear and would be more likely to fail.


sorry to hijack thread, but ive had the same problemi have the diff centre out too at the moment, is it possible for someone to explain what these splash guards look like & where they're meant to be?? please :?: :D
Author:  lump_a_charcoal [ Mon Jun 21, 2010 8:20 am ]
Post subject:  Re: leaking rear axle seals
OK turns out it had some grit in it, which chewed the seal out a bit.
Author:  BlueSuzy [ Mon Jun 21, 2010 11:08 pm ]
Post subject:  Re: leaking rear axle seals
adrian_gadaleta wrote:
damaged/non existent splashguard inside the housing will cause more oil to reach the seal, increasing heat and wear and would be more likely to fail.


I have not ran a splash guard in my rhs since i did the seal. yonks ago.

I put the seal in, then, oh whats this doova? oh well. She'll be right, and she has! Don't ask me where it is now though..
Author:  Dale [ Tue Jun 22, 2010 11:00 pm ]
Post subject:  Re: leaking rear axle seals
Mate and I get about 6months (max) for the rear wheel bearings, the seals get replaced then.

Seals can often go bad once excess play develops in the bearings.
Author:  Hybrid [ Wed Jun 23, 2010 2:20 am ]
Post subject:  Re: leaking rear axle seals
Why would it leak both sides if the breather was blocked? I would expect it to build up pressure until one side went then it would just vent via that one failed seal.

Water and mud was always the culprit back in my young/dumb/no breather extension days.
Author:  lump_a_charcoal [ Wed Jun 23, 2010 9:13 am ]
Post subject:  Re: leaking rear axle seals
Hybrid wrote:
Why would it leak both sides if the breather was blocked? I would expect it to build up pressure until one side went then it would just vent via that one failed seal.

Water and mud was always the culprit back in my young/dumb/no breather extension days.


Yes, good point. :oops:
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