Steve F Crown Point , IN December 03, 2016 Appliance: Frigidaire Dishwasher FPHD2491KF0 Frigidaire Dishwasher Fphd2491kf0: Wheels on rack were all broken so the rack would fall off of the tracks. How to replace Rack Assembly. Took the old rack out, and put the new rack in. Also had to take spray arm off of old rack and put on the new rack. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes