Terry P Semmes , AL December 17, 2016 Appliance: Whirlpool Undercounter Dishwasher GU2300XTVB2 Whirlpool Dishwasher Gu2300xtvb2: Upper dish washer support wheel assembly broken. How to replace Dishwasher Upper Dishrack Wheel. With your repair video, this was a cinch to repair. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes