arb compressor leak? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 9 Old 02-19-2012, 03:51 PM Thread Starter
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arb compressor leak?

can anyone tell me why this is happening? the lines aren't leaking air that I can tell. this happens when just driving on the street and it is off. it started after a lift install and I thought it was brakes or steering. it seems oily to touch and stinks when burning hot.

Last edited by gfe jeep; 02-19-2012 at 04:02 PM. Reason: to add picture?
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post #2 of 9 Old 02-20-2012, 12:05 AM
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More detail please. Could it be that the source isn't from the compressor? Maybe coolent?

Where do you feel the oil at, on the compressor?

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post #3 of 9 Old 02-20-2012, 09:16 AM Thread Starter
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thanks TX !
i couldnt reduce the size of the photo so it did not load on.
it is coming from the top of the first blk solinoid, front locker. i think the blk plastic caps that screw done were too tight? i believe that the manual says air will exit there when the unit is off? i readjusted them (loosened) and now want to know if there is a reason why this oily liquid is coming out? It seems to be coming out of that one and it is hitting hot engine parts making an odor. OR if I fixed it, how long it will be before it begins to be just air.

thanks for any help or advice. i did not do the install and find have found no air leaks.
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post #4 of 9 Old 02-20-2012, 10:24 AM
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The housing seal inside the arb locker needs to be replaced. Diff fluid will back up the air line when the seal fails. It drips on the exhaust manifold and smells horrible.
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post #5 of 9 Old 02-20-2012, 03:59 PM
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Mine is doing this also, it only seems to do it after I have had the locker engaged for awhile. I unhooked the hose at the axle and let the oil blow out and it did ok till the next time I went wheeling. Then it started up again.
The locker still works for now.

You smell that?
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post #6 of 9 Old 02-20-2012, 05:48 PM Thread Starter
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thanks MS & S IN !

It must be the seal. I cleaned it all up but have not driven it to see if it would still leak. Is it possible that the top screww was so tight it created a vacuum? If so, blowing the line out might help. OR is it always the bad seal that causes it? thanks again
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post #7 of 9 Old 02-20-2012, 11:11 PM
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Quote:
Originally Posted by frankie945 View Post
The housing seal inside the arb locker needs to be replaced. Diff fluid will back up the air line when the seal fails. It drips on the exhaust manifold and smells horrible.
Bingo. Cheap and easy fix. This is exactly what mine did. The leaked screwed up the silenoid as well.

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post #8 of 9 Old 02-21-2012, 01:06 AM
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Quote:
Originally Posted by frankie945 View Post
The housing seal inside the arb locker needs to be replaced. Diff fluid will back up the air line when the seal fails. It drips on the exhaust manifold and smells horrible.
Quote:
Originally Posted by lbh View Post
Bingo. Cheap and easy fix. This is exactly what mine did. The leaked screwed up the silenoid as well.
Is this a part you can order? I have access to a shop and help from the guy that set up my gears.
Or did you have to disassemble the locker itself?
I want to fix mine before it gets worse.

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post #9 of 9 Old 02-21-2012, 05:18 AM
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The locker needs to be pulled out to replace the seal. Arb sells a line purge kit for this problem. At the time I made my own purge kit. Put a T at the diff with a plug. Pull plug turn on the air and you have a clean line. That is till it builds back up again.
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