Don H Castle Rock , CO May 22, 2022 Appliance: Whirlpool Undercounter Dishwasher DU1055XTPQ4 Whirlpool Dishwasher Du1055xtpq4: Very noisy dishwasher. How to replace Pump And Motor Assembly. Replaced the pump and motor assembly. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours