Allison Automatic Transmission Module

The Allison Automatic transmission module I’m talking about in the video is for a 2500 series model we’re running in all of our newer conventional buses. The older units have the 3000 series transmissions and we found that they were over and above what we needed for our fleet. Not only was it a cost… Continue reading Allison Automatic Transmission Module

Allison Auto Trans Stuck in First Gear

This Allison automatic transmission is a 2009 model in a Thomas school bus that was running around on it’s route when all of a sudden the transmission became stuck in first gear. Past experience with this condition told me that there was something wrong with either the output speed sensor, the connection or the wiring.… Continue reading Allison Auto Trans Stuck in First Gear