How do I separate front upper ball joint? 72 c10

[jwendell413]

I’m in the process of trying to replace my upper ball joints and can’t figure out what to do next.

I have the truck on jack stands, the front spring in a jack as well (necessary?).

I ground down all the rivet heads and removed the castle pin, loosed the castle nut.

I’ve tried a pickle fork, hammer, pry bar…how do I pull the upper control arm w/ball joint up?

Also what should I use to finish puncturing the rivets to break the old ball joint free from the upper arm?

Thank you
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