[Slam]

Hmmm. Penetrating oil and heat? Maybe disassemble the joint, leaving the inner race on the shaft and heat that. Sometimes if you can drive it down the axle, then back towards the end it'll free up. You would be able to get the new one on 'cause cleaning up the splines will fix that. Are your hunting expletives monosyllabic or is your swearing becoming creative? Sometimes chanting curses in time with the hammer blows helps.