Plastic part of the top rack adjuster in the dishwasher was broken David J. • Happy Valley, OR • March 23, 2015 Appliance: Maytag Undercounter Dishwasher MDB8959AWS5 My Repair & Advice Very easy. Just removed the rack, took out 5 screws, unhooked the old part, snapped on the new, replaced the five screws, and good as new. took 15 minutes. Was this review helpful to you?