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Re: Cummins M11 losing prime
Posted to HD/Fleet Forum on 6/20/2024 1 Reply

I do not have the magic answer but, you might start by putting some clear hose in the suction and return lines. This will allow you to see if air is getting into the system. The hoses may have to be moved to different lines to check them. If you can put one di... Login to read more.

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