I said change filters in first post, look under cap and try againNot chancing fluids filters you're asking for trouble down the road.
Over 500tho miles on 2 motor was a stroke of luck?Remind me of this when you sell something ... and if you sell it to somebody else please share your wisdom to them before hand.
RidiculousBlack oil is just as slippery as new oil, Anyways if your only a maintenance guy pls stop posting in tec threads
The filter does its jobUsed engine oil has contaminants from combustion engines in them.