ball joint forks? wtf? you are talking about the ball joints on the tie-rod ends in the steering right? all you have to do is loosen the nut to the end but noot all the way off and then tap the arm the joint locks into, tap it with a hammer on the arm not on the joint nout or the joint itself your not wacking it out, its taper fit a tap beside it will free it whereas pulling/levering wont.
chris.
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primeras its where its at.