Nigel W Littleton , NH July 15, 2016 Appliance: Whirlpool Undercounter Dishwasher DU1100XTPQA Whirlpool Dishwasher Du1100xtpqa: Rinse aid was leaking from cap. How to replace Dispenser Cap. Replaced with new cap. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes