[cwood68]

I have a 1999 S70 non-turbo. I recently put in a used engine. The engine runs and idles very smoothly, but the car has a very noticable vibration upon acceleration from a stop. It only last a short time, and won't do it until next time I have to stop and accelerate again. I would greatly appreciate any advise with this.

Thanks

 

[BHart]

Check the inner CV joints (at the differential). Excessive wear will cause a low speed vibration.