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Old 05-31-2009, 10:59 AM
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Join Date: Nov 2005
Location: Iowa City, IA
Posts: 1,647
Compressor line seal connection at compressor W123 300D help

Hi all. I searched the forum a bit but did not find anything on this. I replaced my compressor a couple weekends ago on my 85 300D . I also did the expansion valve, drier and all orings. charged it up with Freeze 12 and some good ester oil mixed with synthetic frigi quiet like on diesel giant's page.

Now the oil is leaking from hose the connection at the compressor. The compressor came with a confusing pack of seals -- red, green and yellow colored washers of different thickness with rubber in them. I'm guessing I got that config wrong. Does anyone know how those seals and lines mate with the compressor reliably? The ac line connection is not sitting flat agains the compressor but rather sticking out a bit where the red seal seems too large.

It also came with a silver flange like thing that goes in center of one of the lines. That appears to help hold the seal onto the lines while mating it to the compressor. That's what i used it for. Anyway, i replaced all seals as i thought i found them and in the only config that looked like it would remotely work -- using the red seal and the yellow seal. Looking at it you can see that the compressor lines face in not flush up against the compressor because the red is a bit too big. Perhaps i should have used the green seal and red seal. Then the lines would be a good 1/8 inch off the body of the compressor but may be more equal than using the read and yellow seal.

Thanks for an help
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1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius
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