alright, i was changing the oil on the cougar and did my under the car inspection looking for anything that might be out of whack. and noticed tranny fluid on my headers (longtube) and on the exhaust pipes up to about the beginning of the gas tank cover. neways, i felt on the seal and noticed a nasty slice in it. i think that i might have knicked it with a box cutter when i was opening up the transmission i bought that got shipped form oregon. well i realize that the gas tank and driveshaft must come out, but how does one change out this seal on the tailshaft????