Just an fyi, I tried this fix and it helped at first, so I was stoked, but then I heard something snap and it was time for a new shifter. Everything good now. Seems like the shifter didn't last very long, we'll see if this one lasts longer.
https://www.youtube.com/watch?v=0Wtb...sXjmAP&index=3
https://www.youtube.com/watch?v=8lJ3...sXjmAP&index=4