Troy S Pottstown , PA December 26, 2019 Appliance: Whirlpool Undercounter Dishwasher DU1300XTVB0 Whirlpool Dishwasher Du1300xtvb0: The top wash arm mount was broken. How to replace Dishwasher Spray Arm Mount. Watched the video on how to remove and reinstall the mount. Used screwdriver to free flexible catch and lifted it off. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes