Ge Washer Makes FAIRLY LOUD Whine On Spin Cycles Only

OUR GE WASHER MAKES A FAIRLY LOUD WHINE ON SPIN CYCLES ONLY. I TOOK THE FRONT PANEL OFF, AND EVERYTHING LOOKS NORMAL. THE BELT SEEMS TO BE TIGHT ENOUGH AND IS IN GOOD SHAPE. THE SOUND COULD BE COMING FROM THE TRANSMISSION–BUT IT COULD ALSO BE COMING FROM THE MOTOR/CLUTCH. THE SOUND DOESN’T CHANGE PITCH DURING THE SPIN CYCLE.
WHAT SHOULD I DO?