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Re: 2012 isb6.7 coolant leak proccedure
Posted to HD/Fleet Forum on 6/21/2018 1 Reply

Get the Cummins pressure test adapters to put regulated shop air on the coolant side. Submerge the whole cooler in an empty grease keg full of water or the like. If its leaking it will show for sure. You can monitor a pressure gauge over time but dunking it yo... Login to read more.

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