Scott D Lewisburg , TN January 19, 2022 Appliance: Whirlpool Dishwasher WDF530PLYW7 Whirlpool Dishwasher Wdf530plyw7: The dishwasher would not heat and dry dishes. How to replace Dishwasher Heating Element. Ordered a heating element and hi-limit thermostat. Replaced both and started it up a few minutes ago. So far, no leaks and will know later tonight or in the morning if my efforts and diagnosis were correct, crossed fingers. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes