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Good morning all. The design of the R60 N18 oil pan has the drain plug mounting boss about 1/2' or more above the bottom of the pan. Consequently, there is the long term potential to have about 1/2" of sludge sitting in the bottom of the pan. Does anyone here drop the oil pan on a regular basis to clean it out?
It would be interesting to know how much clearance there is between the oil pump pickup and the bottom of this pan considering the 1/2" of undrainable oil. Perhaps another reason some people like to pump the oil out which would get most of that which sits below the elevated drain.
