Teresa K Indianapolis , IN July 25, 2015 Appliance: Whirlpool Undercounter Dishwasher GU1100XTLQ1 Whirlpool Dishwasher Gu1100xtlq1: Upper rinse arm sprinter fell off. How to replace Upper Rinse Arm Spinner. Assembled it with the how to video took less than five minutes. 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes