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996 Air Oil Separator leakage

  • 1999
  • 911 Carrera Cabriolet
145 000
North Carolina

As a maintenance move, I replaced my 1999 911 Cab AO separator a few years ago and in a recent inspection, saw some oil dampness around it. As it is a major pain to replace, what are the failure modes? What should I look for? It is a pain because it is so hard to reach and the dampness I see may be a loose clamp or something worse. I just don't know what I'm inspecting for.  It only gets a few thousand miles a year at this point but they tend to be pretty hard.



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