Duane S Cary , NC July 12, 2026 Appliance: Model BOSCH 800 SERIES DISHWASHER Bosch dishwasher sump seal leak Contrary to a great YouTube explaining how to disassemble dishwasher to replace sump, I did not have to completely remove the bottom. I only pulled the bottom frame away from tub at the front enough to snake sump assembly out. I was successful in eliminating sump leak but then the pump/heater connection leaked after reassembling. The dishwasher is 9 years old and the pump port rubber was hardened. I would recommend if the sump is replaced, the pump should also be replaced. Read More... Do-It-Yourself Rating: Repair Time Estimate: 2+ hours Tools: Nut Drivers, Pliers, Screwdrivers