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Re: 2002 F-650 rollback w/ 5.9 liter ISB cummins & Allison AT545
Posted to HD/Fleet Forum on 1/15/2009

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Yes, recheck your info, something isn't correct. Either the trans model is wrong or your diagnostic info is flawed.

Once you are sure what you are working on, Allison has very good diagnostic info, ... Login to read more.