Nathan P Springfield , IL May 25, 2015 Appliance: Maytag Washer- Horizontal Axis MAH5500BWW Maytag Washer Mah5500bww: The led screen had an nd error or no drain the impeller on the drain pump was broken and rattling around inside the pump. How to replace Washer Drain Pump Assembly. Using a shop vac I drained as much of the water as I could out of the washer and continued using it as I unhooked the drain pump from the various hoses. It was easy to swap out the old pump for the new and it took me about 10-15 minutes for the total repair. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes