Jason N Prosper , TX June 17, 2019 Appliance: Whirlpool Undercounter Dishwasher WDT790SAYM2 Whirlpool Dishwasher Wdt790saym2 / : Leaking when divert er motor spins. How to replace Sump. The grommet does not come out of the sump pan as described and on the videos, I could not get it out after removing the sump, using very sharp tools; the ENTIRE SUMP PAN has to be replaced. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes