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Re: 2013 NAV CE bus Oil leaking out spinner filter
Posted to HD/Fleet Forum on 4/13/2021 1 Reply

Jeff, very interesting. Will look this in more detail later but this sentence jumped out at me. "The tightly controlled piston ring clearances allow a very small flow of exhaust gas to pass from the turbine housing into the center housing, further helping to k... Login to read more.

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