I had to soak mine in PBBlaster for a couple of days before it would come off and even then I had to mount the intermediate shaft in a vice (using rubber shaft holder) and beat on the CV housing (sledge hammer on a 3 foot 2x4, not actually hitting the housing) to get it to come loose.
Unless its rusted on, its only held in by a snap ring, but darn if that snap ring isn't just the right size and strength to keep the two pieces together.
If the splines look good on both ends, you probably don't need to replace it.
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2005 CRD "
Ol' Blue"
Red Ryder carbine-action, two hundred shot range model air rifle with a compass in the stock and this thing which tells time.
My build page- RL Komodo Rear and TJM Front Bumper, armored, lifted, JBA Steel D30, 4.10s and ARB air lockers.