Found the solution. Stretch them out for a few hours before hand. Old bellow was rigid and these are more pliable.
Oh, ok. I'm not familiar with Ford's IWE setup. That axle nut is only a 20 lb-ft fastener to pull the IWE home to seat. Not anything like a traditional axle nut I'm used to that requires 200+ lb-ft.Sea Speed said:
Couldn't say one way or another, but it's what is in the wheel hub on at least my generation f150. I'd assume most others as well.