Two problems related to clutch have been reported for the 2000 Ford F-450. The most recently reported issues are listed below.
Clutch came apart. Consumer was not able to push clutch into change gears, took to dealer, and they replaced clutch / flywheel and transmission.
This is the second time that clutch went; 350/450, and 550 clutches were defective while driving down a hill, needed to downshift, and gear got locked. Could not downshift at all. Consumer had to put on brakes and kill the engine, also, a/c went out 4 times. The clutch came apart and the pieces fell into clutch plate destroying front shaft of the transmission.