I have a nw Rumble 100 , lots of rattles, vibration noises going on , everythings tight , tried different bass,s , rooms , etc . tried the dealer and they seem to think its fine , so wondered if Fender would let me return to them for a replacement , been trying to call , but there in a company meeting, so just curious if anyone has been able to do a return direct to them on a amp for replacement ? Thanks .