mobile-menu-icon
GM Authority

Reply To: 2016 Sierra 8-Spd Issue

March 22, 2018 at 1:11 pm #482521
swebber99
Participant

Ditto on having hard shifting issues issues with the 8-speed in my 2017 Sierra SLT. Im trying to work it through GMC now. Dealar has given up.

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.