Braska W Knightdale , NC May 14, 2016 Appliance: Whirlpool Undercounter Dishwasher GU2300XTVB2 Whirlpool Dishwasher Gu2300xtvb2: 2 upper dishrack wheels were broken one on both sides. How to replace Dishwasher Upper Dishrack Wheel. I replaced both upper dishrack wheels; I watched the video that was posted on this site. It was excellent. It walked me through the solution on how to fix it perfectly. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes