The oil leaking drama was interrupted by my job and a long planned weekend out of town with the women in my life. Yesterday afternoon I received the new oil cooler line and went out to the car to assess the repair. Upon starting the car I found the leak is actually at the connection to the oil cooler. It was a pretty good drip and in the hopes that snugging up the connection would help I grabbed a wrench and tightened the fitting. It didn't seem loose and I gave it maybe 1/6 turn. Now the drip has turned in to a steady stream of oil. I have disconnected and reconnected the fitting a couple of times now with no improvement. The fitting on the oil cooler is not stripped and looks as normal as can be. The only thing I can think of is the fitting on the end of the hose may not be perfectly round and therefore not making a good seal. I really do not want to replace a brand new oil hose and find out that wasn't the problem. Any ideas?

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'82 300D - Light Ivory, 2nd Owner (Back in the wind April 2013!)

'95 E300D - White, grey interior. (Suffering from stuck/broken glow plugs)

Deuteronomy 22:4-
"Thou shalt not see thy brother's ass or his ox fall down by the way, and hide thyself from them: thou shalt surely help him to lift them up again."