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Re: 2013 NAV CE bus Oil leaking out spinner filter
Posted to HD/Fleet Forum on 4/12/2021 5 Replies

Hi Rex,

If oil pressure is higher than boost pressure it would be difficult to get flow past the seals. Plus, the volume of air that might make its way past the seals would be miniscule compared to the volume of the crankcase.

Can you snap a picture of whe... Login to read more.

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