Gerald G St. Louis , MO February 11, 2022 Appliance: General Electric Dishwasher GSD800T-64BA Ge Dishwasher Gsd800t-64Ba: The lower spray arm wouldn't turn without adding foil to redirect water thrust. The spray arm spout would not reliably retract. How to replace Spray Arm Assembly. Replaced the lower Spray Arm Assembly. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes