Steven S Eupora , MS December 24, 2018 Appliance: Whirlpool LHA5500W2 Whirlpool Washer Lha5500w2: Water on the floor. How to replace Washer Centerpost Gasket. Just like the one's I have worked on for 30 years for Whirlpool. 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes