Alfred M Jacksonville , FL June 25, 2018 Appliance: General Electric Dishwasher GSD3200G00WW Ge Dishwasher Gsd3200g00ww: 15 year old spray arm was worn out. How to replace Lower Spray Arm. Replaced spray arm by hand. It took less than 5 minutes . Dishwasher now runs like new again. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes