Ron F New Richmond , OH January 11, 2016 Appliance: Whirlpool Undercounter Dishwasher WDT910SSYM0 Whirlpool Dishwasher Wdt910ssym0: Pump and motor. How to replace Circulation Pump And Motor (Dishwasher). Checked drawings, suggested causes of the problem and watched a you tube video. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes