Joseph G Kapolei , HI July 04, 2014 Appliance: Whirlpool Washer WFW94HEXW2 Whirlpool Washer Wfw94hexw2: Smelly front loading washing machine. How to replace Washer Drain Hose. I replaced the internal drain hose and the external drain hose and I also installed the washer fan to keep the washing machine from building up mold 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours