The tine row retainer for your dishwasher locks the tine row in the vertical position. If the tine row retainer is broken or missing, the tine row will not stand vertically, and it will not be effective. The tine row retainer is found on the lower dish rack and is connected to the side of the rack. To remove the retainer, disconnect the tine row from the retainer, then use a flat blade screwdriver to disconnect the retainer from the dish rack. Then, simply snap the new retainer into place, and reconnect the tine row. This part is made of gray plastic and is sold individually.