Anthony S Congers , NY December 13, 2016 Appliance: Samsung Dishwasher DMT300RFS/XAA Samsung Dishwasher Dmt300rfs/Xaa: Brokenand misssing rollers. How to replace Dishwasher Upper Rack Roller Holder Assembly. Purchase replacements. Removed old roller carrier from lower basket by pushing on retaining clips with butt of screw driver. Maybe necessary to use flat end to get it started coming off. The site helped in locating the correct part number roller assembly for my model. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes