Donald B Alsip , IL February 25, 2020 Appliance: Whirlpool Undercounter Dishwasher (18`` Ada) WDF518SAAW0 Whirlpool Dishwasher Wdf518saaw0 / : Dishwasher door latch weak, so washer wouldn't stay running. How to replace Switch. I replaced the door latch and switch. Dishwasher works like new. Shipping was FAST! via FEDEX. Great job folks. Thank you. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes