Angel C Miami , FL July 27, 2015 Appliance: Whirlpool Undercounter Dishwasher DUL240XTPS7 Whirlpool Dishwasher Dul240xtps7: Making loud noise. How to replace Dishwasher Circulation Pump Motor. Replaced circulation motor assembly Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours