Bridget V Yukon , OK April 12, 2020 Appliance: Samsung Washer WA50K8600AW/A2-00 Samsung Washer Wa50k8600aw/A2-00: Mildew collection on bottom of pulsator assembly. How to replace Washer Pulsator Assembly. Replaced the whole pulsator assembly. Was unable to completely clean the mildew and smell out. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes