Search results

  1. E

    06 lbz allison help

    according to my trans guy it's a flow issue apparently its a common issue with trucks that tow like I do constantly I honestly couldn't tell you he replaced valve body and installed shift kit and works perfect also he tuned my trans and it all works flawless. put 2300 miles on it and no issues
  2. E

    06 lbz allison help

    my valve body is the issue
  3. E

    06 lbz allison help

    no there was no transmission related codes
  4. E

    06 lbz allison help

    ok so I'm new to the famous duramax allison combo. converted from a Ford man. I have a cc/sb 4x4 2500 single tow tune full exhaust and intake egr delete all the basics. roughly 150,000 miles and love the truck. my issue is this just recently it's started down shifting from 2nd to 1st extremely...
  5. E

    Allison 5sp: Head scrathcer of the day

    06 lbz same issue any ideas on my 06 lbz. it down shifts so hard from 2nd to 1st it'll throw out of your seat