Bob E Alexandria , LA October 24, 2019 Appliance: General Electric Dishwasher GDF520PSD1SS Ge Dishwasher Gdf520psd1ss: Leaking water. How to replace Dishwasher Main Wash Pump Kit. Replaced wash and drain pumps with a new wiring harness. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours