Sue H Columbus , MI May 09, 2018 Appliance: Maytag Dishwasher MDB4000AWW Maytag Dishwasher Mdb4000aww: Dishwasher door wouldn't latch. How to replace Door Latch Assembly. We ordered a latch . After watch a U Tube video we were able to install it with no problems . 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes