Chevy Shake
Just read a few articles about "Chevy Shake". Apparently two 8 speed transmissions and aluminum drive shafts have been ID'd in a class action as the issue. Test drove a really nice truck recently an...
Forum Discussion
My wife and I were actually very close to pulling the trigger this week on a 2017 GMC Yukon Denali with the 6.2L and 8 speed auto, and I started to do some reading on them. The "shake" is actually a very common issue on the 8 speed auto and appears to be due to torque converter issues and in some cases due to improper fluid from the factory that costs in the neighbourhood of $600 to do a double flush to remove the fluid and then get the proper fluid into it. In any case, we have decided to pass on it (shame because it's a beautiful truck otherwise) and look for a 2018 and up with the 10 speed auto.
