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#1
03-31-2011, 01:03 AM
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What is leaking? (300D, Pics)
I have a leak of some type, discovered it tonight taking the front license plate off of the car. The fluid is the color of olive oil with a hint of green in it (a yellowish green). I use Orange coolant fyi.
It seems to be coming out of the compressor, I couldn't find a leak above the compressor. It doesn't really have a strong smell either. Pics are from the driver side of the car. Pointing to where it seems to be coming from:   
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#2
03-31-2011, 01:24 AM
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Looks to be from the A/C. Maybe a seal/o-ring going bad. How's the A/C working? you might be able to tighten the bolt that holds the manifold.
__________________
92 300D 2.5L OM602 OBK #59
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#3
03-31-2011, 02:04 AM
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A/C is running cold, I'll tighten them up and see if that stops it.
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#5
03-31-2011, 01:10 PM
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It's tight, and its running r12, new orings were installed about a month ago
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#6
03-31-2011, 01:28 PM
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... they are leaking... perhaps it needs BIGGER o-rings...
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#7
03-31-2011, 05:37 PM
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It could be the "O" rings between the shell and the housing. They may be worth replacing if the compressor is in good shape. I replaced the original compressor on my '83 for that reason. When I opened it up, it was like brand new inside. I replaced the "O" rings (McMaster-Carr), and kept it as a spare. The replacement compressor sweats a little, but I haven't had to add any refrigerant in 4 years.
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#8
03-31-2011, 07:11 PM
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Look up my thread on installing the R-4 compressor. There are several thicknesses of "sealing washer" that may go in there if it's a new compressor. Black or yellow or green.
Or if it's the old style with no kidding O-rings look up funola's "rebuilding an R-4 compressor." There should be a link to a pdf that describes the specific cross section of that O-ring. It's not round and there's a part number at Autozone for it.
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#9
03-31-2011, 07:18 PM
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http://www.peachparts.com/shopforum/showthread.php?t=281663&highlight=compressor
Page 3 has the link, post 27, I think http://www.peachparts.com/shopforum/showthread.php?t=281479&highlight=compressor&page=3
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