Dennis P Woburn , MA May 22, 2017 Appliance: Model FRIGIDAIRE ULTRAQUIET III Old dishwasher racks had become worn and rusted The new dishwasher racks slipped into place with a minimum of work. Upper rack required removal and replacement of the rail end caps, and the transfer of the spinner assembly in the middle of the old rack. Both proved easy. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes