I,ve done more than one in the driveway, but check first on what replacement
parts are available and their prices. You may find that Ford only offers a
complete lower control arm, and that aftermarket makers offer the same.
Individual ball joints are generally available aftermarket. If the
difference in price isn't too great, get the complete control arm. The
original balljoints are pressed in pretty tight (read LARGE hammer) and the
new ones will probably be bolted in (requires drilling holes in lower
control arm for the bolts). Although I'm not familiar with a Taurus, basic
procedure is jack up car and put on jackstands, remove wheel, place jack
under lower control arm next to ball joint, undo nut on top of ball joint,
but leave it on by a couple of threads, separate balljoint from spindle (a
picklefork will work, as will specific tools for the purpose). Now look
carefully at the coil spring and determine where you need to put the jack to
prevent it from coming all the way down (if it comes free it can be a bugger
to get back in place) With the coil spring WELL supported finish separating
the ball joint from the spindle. You now have to finish removing the lower
control arm to remove the ball joint from it. This is where replacing the
whole control arm makes sense if it isn't prohibitively expensive compared
to the price of just a ball joint. If you don't have a press, you'll have to
remove the ball joint by brute force (read VERY LARGE hammer). After putting
it all back together get it aligned. You don't want to hear this, but you
might as well do both sides at the same time. If one is shot, the other
isn't far behind it.
This is a generic description. Someone in the group may have specific info
for your car.
Every day is a good day- it's just that some are better than others.
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