Douglas P Portland , OR January 16, 2016 Appliance: General Electric Dishwasher GHDA480N10WW Ge Dishwasher Ghda480n10ww: Dishwasher racks worn out and rusting. How to replace Dishwasher Upper Dishrack Assembly. Bought new racks and replaces them. Removed spray bar from old upper rack and placed it on new rack. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes