Denise S Saint James , NY September 19, 2018 Appliance: Model GSD980T-04 The lower spray arm needed to be replaced on my dishwasher. I disconnected the spray arm housing from the bottom of the dishwasher. I took apart the spray arm housing to isolate the spray arm. I put the spray arm housing back together with the new spray arm and replaced the spray arm housing to the bottom of the dishwasher. Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Screwdrivers