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  1. N

    Allison 5sp: LLY Converter locking at light throttle 30-40mph

    Literally the exact same as what I have been dealing with.
  2. N

    Allison 5sp: LLY Converter locking at light throttle 30-40mph

    About a year ago my truck for a few weeks would lock the converter up between 30-40mph at light throttle, 3rd or 4th gear wouldn't matter...if I let off the gas for a second it would unlock, also if I would accelerate moderately quick past 30-40mph it wouldn't be an issue and would lockup like...