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How would I ascertain if my lower pivot bolts on the rear uprights are frozen or free? There are grease fittings at the bottom of the uprights, I'm not sure if they're stock or not, but they don't take grease well. I see no evidence that the shafts turning in the A arms, which I suppose is why you don't want them to sieze in the uprights.
Should I just remove the nuts and drive the pivot shaft out and inspect it?
Trying to get more familiar with the car this winter, hence the questions all over the forums.
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...pull the nuts, o-ring caps and zerk fittings(NO the zerks did not come standard), off and shoot a good amount of WD-40 in there! It helps a lot to free up movement to slid the shafts out. When you 'wrench' on both nuts at each end, to loosen them, only ONE (the less-frozen one) will come loose, unless the shaft is frozen solid and will NOT turn in it's bores; if so you can get both nuts off. If NOT, Use the tight/frozen nut to turn and free up the shaft after soaking the inside with the WD-40 as best as you can, perhaps even 'overnight'...
Larry, you have to remove the shaft and drop the lower a arm down to get to the sleeve. Mine was rusted in and had to be driven out with a hammer. The bronze bushings were also worn paper thin on the top. I rebuilt the whole assembly and packed the the whole assembly with waterproof grease. The page listed by Panteraplace is a good reference. Good luck.
Richard T.
It is easy to test if it is frozen up. Just remove either the upper ball joint or the two top a-arm bushing bolts. The upright should then easily tilt outward and inward. If you cant budge it, then it is frozen. Be advised though, the axle spline will make it pull hard. If it pops when you attempt to take it out, it could also be frozen.

On mine, when I take off the axle, brakeline, and upper ball joint, it will fall down to the floor. It should move quite easily.
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