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Re: 2012 isb6.7 coolant leak proccedure
Posted to HD/Fleet Forum on 6/23/2018 2 Replies

Cummins has a problem using their test strips for coolant in the EGR on midrange engines. See TSB150132. I've used them for the ISX engines. But they claim the results are not the same for midrange. Login to read more.

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