grinding

For about a month or so, I noticed a vibrating sound coming from the back of my car. (I have an OB '21). When I took it to Ford (for an oil change but also another issue, will explain at the end) they told me it was fine. My car was at Ford for 2 weeks with a different issue along with the odd...

So I recently purchased a bronco sport base model. Everything was fine for the first 200 or so miles but this grinding noise keeps coming up every time I accelerate and let go of the gas pedal. I feel like it may be the turbo but I’m not a mechanic unfortunately..I took it to the dealer and they...