HomeAll RepliesReply To: 2016 Sierra 8-Spd Issue Reply To: 2016 Sierra 8-Spd Issue Sponsored March 22, 2018 at 1:14 pm #482526 swebber99Participant HEY LAGO13D! Can you give us anymore information the transmission fix you got? Is it still working out? Is there any other information I need to communicate to mechanics, besides it just the valve body? Thanks! Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored