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    1. #2
      Join Date
      Jun 2017
      Location
      Idaho
      Posts
      173
      Country Flag: United States
      Following...I believe I am having the same issues you are. Mine shifts firm when I'm on the throttle, but acts like it slips when accelerating slowly. Like between 2&3 or 3&4 the rpms go up briefly before engaging the gear. Mine is a 2010 L99 and 6L80E




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