James C Palm Springs , CA July 13, 2014 Appliance: Model WHIRLPOOL 8539128 WHEEL UPER The top rack adjustable assembly had broken Very easy fix thanks to the Video that was provided by appliance parts pros. Fixed in a jiffy and the parts were much less expensive than the manufacturer, Whirlpool. Parts arrived quickly too! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes