Darryl E Fremont , CA October 03, 2015 Appliance: Whirlpool Electric Range RB170PXL2 Whirlpool Oven Rb170pxl2: Bake element burned out. How to replace Bake Element (Lower Oven). Order a replacement bake element for a 30 years old oven, watched the video on how to replace it, and took about 30 minutes to replace it. It was an easy task. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes