I have a 1981 300cd non turbo and am trying to figure out how I can remove the top oil line without removing everything else in the car.
I have the lower line out.
I have the motor mount out.
I have the radiator out.
I have the oil cooler out.
I have the lines disconnected.
I have the motor jacked up a couple of inches off the normal mount position.
Do I need to pull the brace that attached the block to the motor mount?
Is there a trick?
I could cut it, but I still need to get a new line back in there!
Thanks!

 

Dieselgiant says "out the back"
http://dieselgiant.com/oilcoolerlinereplacementl.htm
I guess I will hit it again tomorrow with renewed enthusiasm and patience and see fi I can get them out...