drive train vibration

Had the 2011 RT serviced for the upcoming trip. Oil change, splines lubed on drive shaft, new tires and running lights installed. When I picked up the work order I read this "drive shaft has some notching in the joints, overall okay" The RT just turned 17K. When I spoke to my mechanic, he said...

I was out for a ride yesterday and about 10 miles from home i started to feel a strange vibration from the drive train. It seemed more pronounced during deceleration. When I got home the FD was really hot. I also had heavy oil residue on the tire and around the brake caliper (which is...