AC Compressor Dripping Oil?

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AC Compressor Dripping Oil?

Unread postby Terry » Sat Jul 07, 2012 9:27 pm

This is new. I've had the rig parked for about three weeks and I noticed last night that it is suddenly dripping a fluid onto the ground, looks like oil. It appears to be coming from the AC Compressor, and from the very front, as if the pulley. So my question is, do you guys know if these AC compressor pulleys have or need some sort of lubricant? I always thought it was a dry clutch system, not oiled...? What is this?

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Re: AC Compressor Dripping Oil?

Unread postby Ray Charbonneau » Sun Jul 08, 2012 9:53 am

Terry,
I'm not sure on the Dodge compressors, but it looks like the front seal is shot.
A replacement should be done so as not to sling that oil all over, nor get it on the belt.
Just my opinion,
Ray
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Re: AC Compressor Dripping Oil?

Unread postby Terry » Sun Jul 08, 2012 10:56 am

So a leaky front seal might also suggest that the refrigerant has left the building as well then eh?
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Re: AC Compressor Dripping Oil?

Unread postby Ray Charbonneau » Sun Jul 08, 2012 2:37 pm

Terry,
I'm not an expert, by that's my best guess.
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Re: AC Compressor Dripping Oil?

Unread postby Wanderer » Mon Jul 09, 2012 6:26 am

If the front seal is leaking the refrigerant escaped and the front bearing likely has failed.
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Re: AC Compressor Dripping Oil?

Unread postby Terry » Mon Jul 09, 2012 10:16 am

I drove it yesterday and I am going to say that the AC is still cooling but not as good as it should. I suspect that to present a little amount of oil, it had to have unloaded a lot of refrigerant to do so. I think I'll hook it up to my gauge set later today and see what I get.

So I guess the repair is to replace the pump, vacuum, and charge. Not that bad a project really. It's already got 134.
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Re: AC Compressor Dripping Oil?

Unread postby Terry » Mon Jul 09, 2012 2:34 pm

Well she measures 35/225 when running and I couldnt get it to take any more refrigerant. Of course the source I was working with is one of those cans you have to hold your thumb on to actuate. Rather annoying. I think my manifold might suck as it seems to barely let anything pass from yellow to blue. Even disconnected, when I open blue, it hisses a bit, meter drops to zero, and then when I close it again the meter goes back up to 30 or so; ie: it lets very little out from blue to yellow. I doubt there is a one-way valve in the manifold, I think it just plain sucks (Harbor Freight).

At any rate, it has a charge. So I guess as long as it is charged and appears to be working, I should probably do nothing. No dripping yet 24 hours after I drove it. Maybe running it has lubricated the seal a bit. I wonder if I let it sit another 3 weeks that the seal will shrink and let more out.

So this ends my prep of the rig for my drive to Corpus Christi on Friday. Wish me luck.
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Re: AC Compressor Dripping Oil?

Unread postby Commkruge » Tue Jul 10, 2012 7:34 am

Terry,
The chrysler compressor requires no lube on on the pully or clutch system. If you are holding 35 pounds you are at a max and the system will simply take no more. My system runs at 33 psi on the low side. It is a very slow fill on this system and is quite normal. I have seen these compressors drip a little oil out of the front seals for years only needing a 1\2 pound or so a year. Sometimes with the pressure brought up they stop leaking. until she stops cooling I wouldnt sweat it.
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Re: AC Compressor Dripping Oil?

Unread postby Ray Charbonneau » Tue Jul 10, 2012 10:33 am

Commkruge,
I love that last bit of advice:
until she stops cooling I wouldnt sweat it.
Great!!!
Ray
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Re: AC Compressor Dripping Oil?

Unread postby Commkruge » Tue Jul 10, 2012 6:03 pm

No problem Ray! Mom always said dont sweat the little things it will give you grey hair...
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