Denise C Ramseur , NC January 02, 2026 Appliance: General Electric Dishwasher GDF450PGR3BB Ge Dishwasher Gdf450pgr3bb: The coating on the lower rack was deteriorating & showing rust. How to replace Lower Rack (Dishrack Assembly). I ordered a new lower rack & replaced it. Very easy. Took the old one out & slid the new one in. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes