What am I looking at here? Some sort of onboard air system

NJW

NJW

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I sold my LJR yesterday against my better judgement. We had a large unexpected life expense…

Picked up a 2003 Rubicon to fiddle with. It has some sort of on board air compressor system that I have no knowledge about.

503BE249-731F-4D08-A91F-61C35E7A1DB6.jpeg


Anyone know what I’m looking at? Says Ester Oil on it, but can’t seem to make anything else out.
 
Thanks! I hadn’t seen a set up like this before. Anything I need to know or look out for? Looks like it’s leaking some oil.
 
flyinfish said:
Leaking where? If you get oil in the air supply which is very common, you can add an oil separator in the air output line.
Click to expand...

I haven’t had a chance to really dig into it. Seems like it was around the fittings on top of the compressor. Just noticed oil on top of it.

It’s freezing outside, so I didn’t take to long to really try and figure out what was going on.
 
nathanaelward said:
I haven’t had a chance to really dig into it. Seems like it was around the fittings on top of the compressor. Just noticed oil on top of it.

It’s freezing outside, so I didn’t take to long to really try and figure out what was going on.
Click to expand...

After looking at the photo closer I can see the fitting leaking and there actually is an oil separator on the backside of the brass tee.
You could try and tighten the fitting a little but don't get carried away.
 
Definitely, a York Compressor for on board air. I have one on my Jeep. Airs up tires quite quicly.

Follow that black line to see where goes. Tank, fitting?
 
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