Some ball joints have the ball and stud as one piece, others have the stud pressed in to a separate ball. Sometimes the stud turns inside the ball rather than turning the ball. Wear could loosen the stud until it falls out. Ken Quoting Wrambler242@xxxxxxxxxxx: > It's not a new problem. > I've seen balljoins on one side fail in 10-15,000 miles and others go > 200,000! > I once drilled the top on a squeaky balljoint, inserted a needle and > proceeded to grease the squeaky balljoint. Imagine my surprise when the stud > walked completely out of the balljoint! > It took almost no pressure to cause this to happen. I'd done the standard > tests for play and the joint had checked tight with no play. The service > manager had suggested we drill it and put a zerk in it as it was "only > noisy", Uh, I was young, a lesson learned. If it is noisy get it out of > there! I think the only thing holding it together was the rust! > > -- > Mark Price > Morgantown, WV > 1969 AMC Rambler, 4.0L, EFI, T-5 > > -------------- Original message ---------------------- > From: Tom Jennings <tomj@xxxxxxx> > > So 2 yrs ago I rebuilt the Hornet suspension top to bottom, > > obviously including upper ball joints. Well for the last year the > > right side has been making horrible noises (clicking, grinding, > > >bonk< over bumps, etc). Both were identical parts, both get > > greased often (I'm one of those grease-it-when-I'm-under-the-car > > nuts) all other parts are *perfect*. > > > > I bought a new one at NAPA and swapped it out (surprisingly > > easy). Drilled out the spot welds to take a look at the old one. > > > > Heavy wear on the ball. The top socket half has four grooves > > meant to carry grease down low. They were packed with a solid > > carbon-like substance, presumably old grease. I mean I had to > > chip this crap out with a screwdriver! It's probably been greased > > 4 times in 2 years (25K miles or so). I buy only top-quality > > grease for the gun. > > > > Weird. > > > > So I install the NAPA part with no problems. I also bought > > polyurethane balljoint boots, installed those. Installed > > zerk, pointing conveniently, greased it -- grease squirts > > out the sides of the ball joint! There's no gasket between > > the two halves! (Even my bad part had a gasket to prevent > > this.) Annoying! > > > > So I jacked that side off the ground so the ball would drop > > into the lower half off the ball socket (I hope) and greased > > it with it jacked -- I hope this will make a gap on top of the > > ball so that grease will fill the void. > > > > I may grease ball joints this way in the future -- jack the car > > such that the ball joints hang in their non-loaded position. I > > know this shold not be necessary. > > > > The other side is just fine. Car holds alignment well, and even > > drove fine with the bad ball joint, though it definitely lost > > a good 1/16" on one side. > > _______________________________________________ > > Amc-list mailing list > > Amc-list@xxxxxxxxxxxx > > http://www.amc-list.com/mailman/listinfo/amc-list > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list