Charles K Apex , NC February 15, 2015 Appliance: Samsung Washer WF331ANW/XAA-0004 Samsung Washer Wf331anw/Xaa-0004 / : Poor draining and viberation. How to replace Washer Front Shock Absorber. Replaced pump assembly and rear shocks, fairly simple repair did it in less than an hour.. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes