Until I bought this tool I was just borrowing it, which you can do for free at most major auto parts stores - well, as long as you do what - purchasing. I've been working with the interface a lot and will probably do more, so I decided to just get my own tool. This one is very similar to the ones I borrowed, albeit a bit smaller which means a few less adapters. But for my 2010 F150 it had what I needed and would get along well with the other 20 or so jobs I've done in my life. It's well-made with durable components, including a heavy-duty press, and should work well in most cases. Comes in a handy pouch so you know if an item is missing. I definitely recommend it to anyone who plans to do a lot of interface work in the future. But if it's just for a job, I recommend renting one. However, there are a few "tricks" to using one of these, and it's probably a bit of a hassle to make one for those not used to removing and replacing ball joints. If this is your first time using one of these, here are some tips. First, these tools are much better and more appropriate for installing ball joints than removing them. If you use it to remove the ball joint, be sure to remove the snap ring (if you have one) and lubricate the joint well with penetrating oil. I recommend doing this a few hours before starting the removal, if not overnight. Also, before using the ball joint removal tool, use a small but heavy hammer first. Raise your hand to keep it from moving and give it a few good smacks, then spray again. You won't damage the frame, so don't worry. Just make sure the joint is flat so you don't make a dent near the edge that could cause it to snag. Repeat this a few times and you might be surprised that you can just do it and not try to push it out. I've exercised more than I can squeeze out by far. That at least loosens it up a bit before you use the press. If you do need to wring it out, stop from time to time while you tighten it and give it a few more hammer hits. If it's really stubborn you may need to heat the frame up a bit, not the ball joint. Again, there's no harm in heating it, so make it good and hot. Just stay away from nearby rubber grommets or wires. Use a jackhammer to apply the necessary pressure, but don't forget. If you need to use a tube to increase the length of the rod to apply more pressure, you can and probably will bend the tool. You need to be patient, tighten, spray, heat, hit with a hammer - repeat. He will be lost. Installing a new ball joint is the tricky part and most beginners get into trouble. You want to clean the hole with a wire brush and apply a thin coat of lube. Then find out what adapter combinations are needed to install the ball joint based on the design. Again, all you need is a broken bar to get the pressure you need. The ball joint can get into the hole, but it's unlikely. If the tool is properly set, the ball joint will be largely self-centering as there is usually little threading. Install a new snap ring and you're done. Hope that helps a little. There are also some videos on You Tube about using this tool, although some of them aren't that good, so keep these tips in mind. I have done this many times. Much luck!
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