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Heartbeat
Posted to HD/Fleet Forum on 4/2/2019 5 Replies

I have an 010 IC Coach bus (Navistar conventional school bus) with a DT Maxforce engine that has an odd noise issue. When you get the RPM between 12 and 1800 one of the heater hoses starts to jump and bangs off the side of the heater box in the driver compartm... Login to read more.

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