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Posted

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.

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  • 1 year later...
Posted

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?

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