Vibration Under Load

[Marfoo]

Does anyone experience vibration during heavy acceleration? This may be something that developed over time and so I didn't notice it happening. I seem to remember the car accelerating beautifully smoothly at all speeds, but now there is definitely some shake in my seat and steering wheel during heavy load (like accelerating on an on ramp or to pass on the interstate). Seems to be worse initially as the engine builds boost and is gathering momentum and then smooths out. It reminds me of the feeling of when you lug the engine at low RPMs, but this occurs at any RPM.

I don't think it's wheel/alignment/balance issues as it doesn't seem to be speed related, just acceleration/load related.

How is your driving experience during heavy acceleration/load?

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[Cstokes]

I am experiencing the same exact thing! Trying to find what is happening. Seems to be a transmission issue.