Answer Hello Tony. This answer was located on our Repair Forum, this is a free service in which technicians will assist with answering repair questions for our customers. Please use the following links to assist in your repair: http://forum.appliancepartspros.com/dishwasher-repair/3620-do-i-need-special-tool.html and http://forum.appliancepartspros.com/dishwasher-repair/188387-impeller-removal.html . Hope this helps! Read More... Answered by AppliancePartsPros.com | Tuesday, May 10, 2011