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...
Forum Discussion
rgatijnet1 wrote:
Have you taken it to the Cummins shop to see if the engine control module is sending the proper signals to the transmission?
I spoke to Cummins today and will try to get it in there shop this week or next. They said they had a Dyno and could try to simulate it that way, but if it didn't have the shift issue on the Dyno, it would be hard for them to find the cause.
