I wouldn't use a pickle fork to loosen it because they almost always tear the grease boot. Smack the tie rod end or knuckle with a big hammer and it should pop loose while being careful to stay clear of the boot. Before I loosen the nut I put white out on the threads so I put it about the same spot when you put the new one on. LIke he said, loosen nut or sleeve and the end should just screw off.