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International Automotive Technicians Network
Re: AT545 problem in a 2001 C6500 3126
Posted to HD/Fleet Forum on 12/6/2008

I can call a friend, he his a master allison tech and ask. But in the meantime try this, it's low cost and may shed some light on the problem.

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I did not realize it didn't flare, like it was trying to make the last shift. Could you shift it ma... Login to read more.