Allison Transmission upshift problem
I am having a shifting issue with the Allison Transmission and I thought I would post it here to see if anyone had any insight on what it could be. The coach is a 2003 Newmar Kountry Star with the IS...
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It's doesn't feel like an injector misfire because it feels like the trans is going through the motions of trying to shift, but wont. Your theory of the engine governor telling the trans to shift, but the trans is saying no because it still feels the load is logical to me, and would fit what I'm feeling.
