You need to go to Auto Zone and rent the special tool you need. The kit you recieve will consist of several different wrenches, one of these wrenches will fit snug around the bolts for your fan clutch; that provides enuph back pressure for you to break loose the fan. This is definatly a 2 man job. I recently did this, its an easy job but impossible without this tool. Also double check to see if the large nut is or is not reverse threads.