Marie Humphrey S Calais , ME December 22, 2014 Appliance: Model 587.1430590 Would not wash dishes in upper rack Replaced wash impeller (was worn and broken) and detergent cup cover (was broken at pin location) Read More... 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Nut Drivers, Pliers, Screwdrivers, Wrench Set