I have a 1981 Merceded TDT. the turbo oil return line is leaking where it enters the top of the oil sump. I've bought the top gasket, the middle o ring and the lower rubber seal adn now have a major problem.
I've loosened the top part by taking out two bolts but can't figure out how to remove the tube itself. There doesn't appear to be room to take it out.
Any suggestions would be gratefully received.

Roger "B"