Not a vibration, and really not much of an annoyance....yet.

You know that sound when you have a zipped briefcase, and the zipper bounces around a bit....or if your coat zipper is rattling just a bit?

I hear that coming from behind my left shoulder while driving, and there is nothing in the door pocket, nothing in the floorboard, nothing loose behind the seat, etc.

Checked a variety of things thus far, but nothing obvious.

Anyone had this sound before?

 

your jacket's zipper. Or Dexter hiding in the backseat.

 

sumzing metallic eh?

Change that's fallen out of your pocket an onto the seat track maybe?

 

same sound, believe it is coming from the seat belt in the B-pillar, maybe a ball barrings in a roller for the seat belt? Not sure, but I have the same noise in a '08 997tt.

 

haha... dexter

 

b-pillar....hmmmm.....maybe in the seatbelt mechanism in the cab, but seems to be coming from a higher point than that.

NO jacket on or in the car.
Nothing in the door pocket.
No loose change on the floor.
Nothing loose under driver seat.
Nothing loose in rear seat.
No loose hardware.

Gee, my friends said I had a screw loose.....