Try again and realign the puller first I do not think that you are quite square to the swivel pin line. Wind a bit more onto the stabilising screw to get more thrust on the ball joint. I have not met the joint that this puller could not move. Sometimes a smart whack on the pressure screw will shock the joint to let go. When it does it will be quite loud!View attachment 138485
The lower balljoint cover .... it looks like its not just a cover.. it contains the balljoint and has shims that must shim the balljoint slop out.
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The special tool for the lower balljoints. These are the ones my father couldn't get out ... er 20years ago.
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Who out there owns a 29mm socket ?? I figure this is shifter size. fortunately its only finger tight .... and doesn't contain a split pin even. So i just used a 30mm socket on them.
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the tool is quite a smart design, the back screw allows you to angle it so your pushing straight against the ball.
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This is as far as I got before the puller bottomed out. The other side tighted up as it finally came off, and this side it tight to the very end as well. I'm guessing the end of the shaft must be a bit damaged from previous extraction attempts.