Oil and an ARB compressor - Defender Source
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  #1  
Old August 10th, 2005, 09:50 PM
amasaback
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Musgrave
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Oil and an ARB compressor

Can anyone give me some guidance on this mystery?

I noticed that I had oil dripping from under the passenger seat compartment of 97 D90. At first I thought it was being slung there from somewhere else but could not find the source. I took the seat off and noticed that the entire bottom of the compartment had a film of oil seemingly from the ARB compressor.

I had the vehicle in Utah for a while, had done some off roading in Moab and then drove it home to Texas (20 hours of highway driving). I noticed the leak after returning home. I would estimate the total amount of oil dripped was around 2-3 ounces, though it was pretty thin and it spread quite a bit. It stopped dripping once all of the oil had made its way through the body/chassis. I am not sure how much might have been lost in route.

Does anyone know if there is oil in the ARB compressor that might have leaked and is that common? Or is this most likely dif fluid that might have come up the hose from the locker?

Thanks Ken
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  #2  
Old August 10th, 2005, 10:22 PM
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Ken, I think its Diff oil... Mine do that to a little bit.
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  #3  
Old August 11th, 2005, 07:38 AM
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David Sticht
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Your breather is clogged and not letting the pressure out. This forces the oil back up the ARB line. Just take it off and clean.
Dave
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  #4  
Old August 11th, 2005, 07:53 PM
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Mine are not cloged at all... Everything is brand new and I still get a bit of diff oil blow back
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  #5  
Old August 11th, 2005, 09:37 PM
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A very tiny little bit is normal, but if it is enough to drip you might have one of the following things going on.

1. Clogged axle vent (AKA breather).

2. The o-ring in your ARB may be getting worn out or if it is a new install it might have been pinched/ nicked.

#1 happened to my wife’s disco shortly after installing the ARB, we stopped for gas on our way to Moab and she was dripping fluid at a fast rate. Cleaned out the vent and filled the diff and everything was back to normal
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  #6  
Old August 11th, 2005, 11:08 PM
amasaback
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Thanks for the ideas! Showing my ignorance, where is the breather and which O-ring?

Thanks Ken
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  #7  
Old August 12th, 2005, 02:08 PM
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Ken, there is a breather (a small capped projection) on top of each axle housing. Those should be easy to check and clean. The o-ring is unfortunately inside the differential positioned around the fitting to the locker itself and, if funtioning properly, should prevent oil from getting injected up into the line and into your compressor. Replacing the locker's o-rings inside the differential is fairly straightforward, but will require a bit more effort than unclogging the breathers. Good luck and let us know what you find.
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  #8  
Old April 3rd, 2006, 02:25 PM
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David Shechter
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I too have had this issue, It has been enough to coat the passenger seat with gear oil and smell up the inside of the truck. After dealing with this for about 6 months I to date have done the following
1. pulled all the air lines and cleaned them (didn't work)
2. replaced the banjo fittings (didn't work)

The latest attempt is to add an oil additive. Just ordered www.xado.com, I'm going to try the green tube gel.

If that doesn't work I'll have to take the 3rd member out and send it back to ARB. I have heard that there have some issues with the lockers.
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  #9  
Old April 3rd, 2006, 08:15 PM
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I had the same on initial install of my ARB's, diff oil blow back through the solenoids in the passenger compartment after a long weekend of wheeling and 1200 miles or so of driving. I cleaned it up, it was about a quarter cup between the two diffs. After the initial incident, never happened again. Diffs have worked without problem since.
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  #10  
Old April 3rd, 2006, 10:34 PM
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Tom More
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I have had the same problem since the first trip with my ARB.. I am looking for someone local to open my diff for me and fix the problem... I will let you know what they find
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  #11  
Old April 3rd, 2006, 10:48 PM
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David Shechter
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Quote:
Originally Posted by dmarchand
I had the same on initial install of my ARB's, diff oil blow back through the solenoids in the passenger compartment after a long weekend of wheeling and 1200 miles or so of driving. I cleaned it up, it was about a quarter cup between the two diffs. After the initial incident, never happened again. Diffs have worked without problem since.
I wish I were so lucky. I've have had it happen about 6 times under the same conditions as you, long hwy drives. I've never measured the loss but it coats the entire seat box, I suppose it would be about a qtr. cup too. The smell of gear oil in the truck is just annoying. I have been leaving the tubes disconnected from the compressor and placing them in empty water bottles. This was an attempt to see which diff. was vomiting the oil. It turned out to be both. Leaving the tube ends in the bottle has kept everything cleaner and minimized the smell.

I'll be taking a long road trip in a couple of weeks I'll post back as to how this new product works out.
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Sheki, you are a wang too.
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  #12  
Old April 4th, 2006, 08:09 AM
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David Marchand
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Hmm, did the same person install/build both diff's? Seems odd that it's A) happening to both, and B) you are getting diff oil under extreme pressure back into the compartment. Mine was like a slow leak, or at least was not a geyser.

That sweet smell of diff oil....
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  #13  
Old April 4th, 2006, 02:22 PM
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David Shechter
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The same person did both. This was a specialist, the diffs were actually shipped to him.
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Sheki, you are a wang too.
A wang is another word for, you guessed it, A DICK!

Nothing racist, just pure DICK!
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