Mark P Houston , TX December 19, 2022 Appliance: Maytag Washer- Horizontal Axis MAH4000AWW Maytag Washer Mah4000aww: Trouble draining and would not spin. How to replace Washer Drain Pump Assembly. I replaced the Wax Motor and Drain Pump Assembly. . Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours