Demetrius M Orland Park , IL July 17, 2016 Appliance: Whirlpool Dishwasher DU960PWKQ1 Whirlpool Dishwasher Du960pwkq1: Damaged roller assembly for upper tray oin dishwasher. How to replace Arm Assembly. Ordered parts and replace damaged side Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes