Sharon M Richmond , TX July 29, 2015 Replacing oven racks I'm a Realtor and I know how important it is to have a pristine home no matter the age. I find keeping the oven by itself is relatively easy but the racks tend to be a bit harder to keep spotless. My way of trouble shooting this prior to putting my home on the market, new racks. Dirty ovens are a major turn off to a potential home buyer, taking care of the little details in advance will make you money.... 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes