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oil leak rear of engine-update, turbo cooling ?s V70-XC70 98AWD

I spent some time under my car today tracing an oil leak that is near the rear of the engine, visible from underneath only. Since this car is AWD, the turbo oil return line is different from that which is portrayed on Volvospeed, Bay 13. I can't even be sure which line it is. There are oiley areas visible where the air intake duct clamps on to the turbo, the bottom of the turbo itself, a silver metal line that connects to a rubber hose that runs upward and connects to coolant lines, and especially the 'power transfer case?' that is SO MUCH in the way.

As I continued to creep back under the car, I noted that the seal for the driveshaft that goes to the rear is leaking too. Perhaps this is the source of all of my leaks.

Is the turbo both water cooled and oil cooled on these cars? Has anyone seen a seal cause all of this oil dampness, or so you think I have two leaks?






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