Cesar S La Habra , CA August 04, 2017 Appliance: Frigidaire Dishwasher FDB780RCS0 Frigidaire Dishwasher Fdb780rcs0: The studs of the racks were all broken off. How to replace Cleaner. The lower rack just take it from the box and put in the dishwasher. The upper rack I take the sprinkler out the way the video show and was so easy. didn't take me more then 5 minutes. Everything was so easy. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes