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Old 01-17-2013, 11:12 AM   #1 (permalink)
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Default UCA replacement help.

1969 coupe, car is on jack stands, spring is out. Old UCA is bolted to shock tower. Need to seperate upper ball joint from spindle. Cotter pin is out, castle nut backed off. Made up the homemade ball joint press as shown on Daze website. Do I need to support LCA before using the press? I am not replacing the LCA, just the UCA at this time. Don't want to risk mushrooming studs with this tool. How much pressure should it take for the UCA ball joint to release? Any other tips? Thanks.
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Old 01-17-2013, 11:36 AM   #2 (permalink)
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Don't need the spring in place. Daze BJ tool presses between upper and
lower BJ studs, I'm assuming? (Like the tool pictured)
If so, clamp it in place with some tension and whack the fat part of the spindle
exactly where the BJ stud is at. BJ nut does not have to be off, just loosened.
Tension from the tool wouldn't be enough about 85% of the time. You need
a well placed hammer-strike. Wear goggles.
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Last edited by GT289; 01-17-2013 at 11:45 AM.
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Old 01-17-2013, 12:44 PM   #3 (permalink)
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Spring is out, not in place. So do I need to support lca before trying to romove uca?
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Old 01-17-2013, 01:05 PM   #4 (permalink)
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For convenience only.... a milk crate is adequate. There's a few pounds
but not much weight involved. If the strut rods are in place, the LCAs
really won't go too far.
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Old 01-17-2013, 05:16 PM   #5 (permalink)
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Spin off the castle nut and then thread it on upside down until it's even with the end of the stud. Tighten up your tool and then tap the spindle where the stud goes through with a hammer. Tighten tool 1/4 turn and tap again. Repeat until it pops.

Yes, I would support the LCA and spindle with a floor jack or jack stand that keeps a bit of the weight off.
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Old 01-17-2013, 05:37 PM   #6 (permalink)
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If you are not reusing the UCA or its ball joint you could use a pickle fork,
but if you are reusing it then you should use the tool discussed.

The LCA will be ok hanging there without support, between the strut rod
and sway bar it's not going anywhere.
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Old 01-17-2013, 06:16 PM   #7 (permalink)
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Quote:
Originally Posted by bartl View Post
Spin off the castle nut and then thread it on upside down until it's even with the end of the stud.
I know the spring isn't in there but I usually don't recommend taking nuts all the
way off of ball joints. Particularly for a novice.
Getting too comfortable with suspension work is how a close friend of mine
ended up unconscious in the bay of a Ford dealer's shop and missing 5-6 teeth.
At the time he was one of 3 corporate Ford Parts & Service troubleshooters.
(those are the guys that go in there and fix warranty issues that the dealer
line mechanics couldn't)
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Old 01-17-2013, 09:07 PM   #8 (permalink)
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Tapping with the hammer combined with tightening the remover tool did the trick! Thanks for the tips!
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Old 01-22-2013, 10:03 PM   #9 (permalink)
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Great advice from GT289 about leaving the nuts on! I bought a BJ seperator tool from HF. It was cheap and works like a champ!

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