Anthony L Boxford , MA October 16, 2016 Appliance: KitchenAid Undercounter Dishwasher KUDI01ILBT2 Kitchenaid Dishwasher Kudi01ilbt2: Poor washing results of glasses in the top rack. How to replace Slide Asm Lh. I replaced the spray arm seal and center manifold. The old seal looked slightly worn and the old manifold mating/spinning surface was thinned out. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes