To install the new driver reverse the process above. Pay special attention to seating the driver fully into the baffle and seeing that the rubber gasket is flat on the endcap. If required, rotate the driver one set of screw holes to take up any cable slack. Make CERTAIN the new driver lines up with existing screw holes. DO NOT OVERTIGHTEN the driver screws. They should all end up snug, not overly tight. Hand tightening is best. Be careful not to slip with the Phillips screwdriver or you could damage the driver cone. This picture shows the base reinstalled on the unit. Remember to place the seam of the base plate molding toward the back of the sub for appearance's sake. Finally, reposition the foam feet over the three long screws (or use the replacement feet). That's it!