Denise M Houston , TX September 09, 2014 Appliance: Samsung Washer WF328AAW/XAA-0000 Samsung Washer Wf328aaw/Xaa-0000: My samsung front loader would not drain (message cod nd). How to replace Washer Drain Pump Assembly. My washing machine was not draining. I opened the access panel in the back. Checked both the incoming water line and the outgoing line. Both lines were open. Checked inside the pump for a foreign object, and it was also clear. I decided to replace the pump. Ordered the pump online. It's fixed and much quieter. My first washing machine repair! 46 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes