I just bought a 2011 sx4 all wheel drive with a cvt trans. got it cheap because of trans issues. It will drive but there is a lot of banging underneath and the trans seems to be grabing and releasing . almost like a broken center bearing on the drive shaft, but that checks out. anybody have a clue where to start diagnosing this? With the wheels off the ground, it will go up through all the manual mode gears and does seem to smooth out once everything is spinning. Maybe a shot transfer case?