still no nut,took engine pan off reached as far as possible,looked again and again in and under drums and flywheel nothing,got wife to turn engine over a little at a time while my head was stuck up and around so i could look between all the magnets,no nut! so put on new linings went smooth look real good,gonna start back together tommow nite,,,,NOW thanks to the guys who called and helped one of them is 25 miles from me WOW and one is in minnisota i think,,anyway super thanks guys.love the site.