Curtis C North Fond Du Lac , WI December 29, 2014 Appliance: Maytag Dishwasher- Convertible MDC4100AWX Maytag Dishwasher Mdc4100awx: Leaking at hose connection on bottom. How to replace Upper Spray Arm Hose. The unit is a convertible dishwasher that we use as a portable, so top and part of the side had to be removed. Overall, the job took less than an hour with help to hold the side open so that it did not have to be completely removed. It was pretty straight-forward. There was a torx driver needed for some screws, which I had. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes