wasteland57

My 2010 G37X is making a pretty bad grinding sound a lot of the time, most noticeable around 45 mph - in drive or neutral. It sounds like it's coming from the center just behind the engine maybe. A couple mechanics couldn't figure it out, any ideas?

video of it (driving on smooth pavement):

Surfnazi

Check drive shaft connections

slartibartfast

iTrader: (7)

Hmmm, I hear clunking, not grinding.