I recently picked up a 86' 580E. using it last weekend in the swamp....stuck in the muck. replaced the two lines to the steering junction. still can see fluid pumping out heavy...somewhere under the radiator. I can't find any images of what's under there. Im assuming it is a line having to do with the transcooler. I can see it from the left side with the side cover of. Figure I'd ask, before just tearing it all apart.
figured it out. short rubber lines to the transcooler are old. one line had a blowout so big I could stick my finger in it. lol