Quote:
Originally Posted by cooljjay
Check the threads on the oil cooler fitting...you may have damaged a few removing the old line, very common on the w123....if that is the case it won't seal, you will need to install a new fitting....though some people have used jb weld on the fitting and then screwed and tighten the line...
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W123 or W126 same set up, aluminum cooler threads and steel fitting for the cooler line fitting.
The sealing surface is the Ball and the Socket. Socket being the Cooler, could have a gouge in the surface not making the seal. or the ball end wasn`t machined well for the fit. As Kerry mentioned, a Scrubber might do the trick.
The threads don`t do the sealing, they keep it tight.
Using JB Weld will definitely seal it, but probably won`t come apart again.
If the old lined didn`t leak, I would guess it is the new line being the problem.
Charlie