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  1. Pops Dually

    Allison 6 spd shifts into gear and drops back out.

    Continued looking at external sensors as I figured that a bad sensor or wire was making it kick back out of gear. Found a tech piece that mentioned that if the transfer case reports neutral condition it will put the trans in neutral. traced the transfer case harness up under the fuse block, all...
  2. Pops Dually

    Allison 6 spd shifts into gear and drops back out.

    Did a quick haul for my sister and bro in law, they moved from Phoenix to Tulsa (1100 miles). Pulling a 20” car trailer loaded heavy, tool boxes etc. We drove hard, 85-90 mph running the top of the yellow on EGT’s almost the whole way. I had problems shifting in the morning cold that I...