Bravo Hotel Posted February 9, 2015 Share Posted February 9, 2015 All, I found a leak on the rear of my O-320. It was characterized by a black oil color, whereas a straight oil leak on other portions of the engine would have a golden brown color. Curious that it might be the crank shaft seal, I took it to the local shop and sure enough, that was the reason. Glad to have caught it early. 1 Quote Link to comment Share on other sites More sharing options...
Radioflyer Posted March 19, 2016 Share Posted March 19, 2016 Funny how you refer to the "rear " of your o320, when it is actually the front. Pusher aircraft can be so confusing! I too have the usual honey colored oil leaks around my engine. However, I wonder why an oil leak from the nose crankshaft oil seal would be black? 1 Quote Link to comment Share on other sites More sharing options...
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