Terry S Frankfort , KY January 15, 2018 Appliance: Whirlpool Undercounter Dishwasher GU1200XTLQ1 Whirlpool Dishwasher Gu1200xtlq1: One of 4 roller wheels came off the upper dish rack basket. How to replace Upper Dishrack Wheel. Ordered 3 replacement parts and now I have 6 roller wheel brackets, whereas the dishwasher only had 4 when new! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes