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pops out of gear

  1. Seems like it goes into neutral

    01-04.5 LB7 Duramax Powertrain
    So I was having issues with the transmission going into what seemed like neutral at highway speeds, it would happen when i was just putting around, didn't seem to do it when I was getting on it, would be cruising along and it would do the neutral thing, then u let off, and it would catch again...