Patricia J Phoenix , AZ October 26, 2020 Appliance: Maytag Dishwasher MDB8969SDM0 Maytag Dishwasher Mdb8969sdm0: Manifold was not working properly. How to replace Water Supply Tube. Replaced manifold and upper spray arm. Took less than five minutes. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes