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Re: Cummins ISB head gasket leak maybe
Posted to HD/Fleet Forum on 8/11/2019 3 Replies

Brent, It looks like a moderate overheat at 4047:33:14 hours, and two more further back. Cust has had slow use of coolant on this for a long time. Did the pop bottle test. Got a bubble half the size of a marble about every 10 seconds. First time I got nothing.... Login to read more.

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