Robert M Keller , TX June 12, 2014 Appliance: Maytag Washer- Horizontal Axis MAH5500BWW Maytag Washer Mah5500bww: Nd error code my maytag neptune wouldn't pump out the water. How to replace Drain Pump Assembly. I followed the instructions on the how-to video and fixed it in about 30 minutes machine works fine and I saved about $100. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes