rear diff

I was experiencing that chatter/ shudder during sharp turns from a stop, especially to the right. I thought it sounded like the rear diff due to it coming from the rear and only really happening on very sharp turns where one wheel spins but the other doesn't. Brought it to the dealer and...

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...