Fixing a damaged or malfunctioning dishwasher spray arm depends on the issue. If it is clogged with food or scale, remove it, soak it in a warm vinegar solution for 30 minutes, and clear out the tiny jets using a toothpick. If the spray arm keeps falling off due to a broken plastic retaining clip or stripped threads, order an exact OEM replacement part matching your appliance model number. Clean the mounting hub thoroughly, snap or screw the new component securely into alignment, and test its rotation by hand before running a test cycle.
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