1999 Ford Explorer 4 Wheel Drive with 2 Piece Passenger Side Upper Control Arm Front 12 Piece Steering, Suspension, & Drivetrain Kit TRQ PSA71586

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Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.

In this video, we're going to show you how to replace the lower ball joint on this 2003 Mercury Mountaineer. We show you on the driver side, but the passenger side is the same procedure. It's the same part and similar process on these Mountaineers from '97 to 2010. The items you'll need for this are a new lower ball joint from 1AAuto.com; 15, 18, 19, 21, 24 and 30mm socket and ratchet; a piece of pipe for some leverage; pliers; snap-ring pliers; a flat-blade screwdriver; hammer; ball joint press; torque wrench; jack and jack stands, and locking pliers, depending on the condition of your sway bar link.

Start off by removing your hub cab and then remove these 19mm lug nuts. If you don't have air-powered tools, you want to loosen them up while the vehicle's on the ground, then jack up the vehicle and support it, and then loosen the lug nuts the rest of the way. Once you've removed those, you'll be able to pull it free.

Now, you want to break off the ends on the Cotter pin right here underneath your wheel knuckle and then you can either hammer it out with a punch or, if the Cotter pin is only sticking out on one side of the castle nut, you can actually just use your 24mm socket and ratchet to break it free. Then, just remove that nut and then put it back on just a few threads.

Remove the nut on the end of the axle and, obviously, if you have air-powered tools it's not a problem. You can have somebody hold the brakes and use a socket and breaker bar if you need to. You want to twist this nut back on until it's flush with the axle and just hammer it until you can see it move. Then come up here and just remove this 18mm nut. With that nut twisted on, again, just a few threads, hammer the wheel knuckle until it drops down. Then, using a 15mm socket and ratchet, you want to remove the nut at the top of your sway bar link. You can hold the bottom with a wrench if it's turning. You can see ours is turning and, in an ideal world, this would just loosen up and you could pull it down, but the top of ours just breaks off.

To help get it out, you want to jack up the other side of the vehicle, and this will lift the sway bar on this side, allowing you to get to the top of sway bar link easier. We'll just spray it with some penetrating oil. Then, using locking pliers, you want to hold onto it while twisting the nut on the bottom of the sway bar link. You'll notice that the plastic will start breaking away and that's fine. You just want to keep repeating the process until all the plastic is gone and you have better access to it. We'll fast-forward as Mike does this. When it gets to this point, you'll be able to remove it and slide it down and out. If it is jammed up, just use a hammer.

Now disconnect your tie rod end, so remove the Cotter pin from the tie rod and I break off the bent over section. I just break it off and then I'm able to pull out the rest of the pin. Then, a 19mm socket, ratchet and a breaker bar loosen it up. You want to take the nut all the way off and then just thread it back on a few threads. Then hit the steering knuckle with a hammer until it pops free. Remove the nut and take the tie rod off and set it aside. If the nut is still on the lower ball joint, hit with a hammer to break it free.

Now support your lower control arm. You can see I have jack stands underneath the frame in the front for both sides. Jack that up with a jack. Here again, make sure the axle is free. I'm not hitting that hard. You don't want to hit your axle too hard because you could damage the CV joints. I'm really just tapping it. Jack it up a little further and now just lift up on the steering knuckle and remove the nut from the lower ball joint. Now remove the nut at the top of the wheel knuckle and pull the upper control arm out of the knuckle.

Take the axle out. Then, you want to take the wheel knuckle and pull it off the stud on the lower ball joints. Just remove that nut the rest of the way. Put it back on there and then just pull the wheel knuckle down and off that stud while pulling your axle out at the same time. It can be a little difficult, but it will eventually go. It's a good idea to just keep it secured to the top of the upper control arm, so just put that nut back on halfway for now.

Using snap-ring pliers, remove the snap ring along the top of the ball joint. Once you get it about halfway, you can just use a flat blade screwdriver and pry it up the rest of the way. With the ball joint press, we've got a cup around the lower part of the ball joint and that there, with a hole through there, so just press the ball joint right down through. I'm just tightening the press and then I hit it with a hammer at the same time, and that just kind of helps to break the ball joint free.

On the left is the old ball joint; on the right is the new one from 1A Auto. They do look similar, but there's some slight differences. However, ours will fit exactly the same. Remove the nut from your new ball joint and then you want to just carefully pry this boot off. Then set up your ball joint press and push the ball joint back into place. Again here, I'm going to tighten it up and just use the hammer to shock it a little bit to help it work its way in.

Once it's all the way back in, just replace that boot and make sure it's on all the way. Take your snap ring and put the snap ring along the top and make sure it's all the way down. Now take your wheel knuckle and you can remove the nut at the top holding it to the upper control arm. Then you want to feed your axle through while putting it back on that stud for your ball joint. This can take some maneuvering, but it will go, and then when you get enough space in the lower ball joint, you want to just replace that nut so it will hold it in place there.

Now push your upper control arm back into the wheel knuckle and replace that nut. Take your outer tie rod and push it back down and into the wheel knuckle and replace that nut. Then you want to torque that to 50 foot-pounds.

Push your new Cotter pin through, or your old one if you managed to save it, then just bend the tabs in opposite directions. Torque the upper ball joint nut to 50 to 55 foot-pounds.

Now replace the axle nut. Tighten it preliminarily. Put a jack underneath your steering knuckle and this basically raises the knuckle onto the ball joint to hold the ball joint in place. You want to tighten that nut up to 70 to 75 foot-pounds, and then further if you need to, to get the Cotter pin through.

Now, you can lower the wheel knuckle and then twist in your grease fitting at the top of the ball joint. We actually end up putting in a 90-degree grease fitting so it's a little easier to grease, and just tighten it up with our 7mm wrench. Then, just top the ball joint off with some grease.

Now you want to replace your sway bar link and you could see that ours was badly destroyed, so we're going to use a new one. You just slide it up through and the order is washer, then bushing, then the lower control arm, then bushing, then washer, then that metal tube, and then another washer and another bushing. Then it should be the sway bar, but you can see that the sway bar is just a little bit too low, so if you jack up the other wheel, you can see the sway bar go up and now you can fit in that bushing. Push the sway bar link up through the sway bar and then do another bushing, then a washer and then the nut. Then just lower the other side and it will compress the sway bar link and then just tighten that up with your 15mm wrench and 15mm socket and ratchet. For your final tightening of the stabilizer link, you can see I've got the vehicle on the ground, and the jack's underneath holding the suspension up in its usual ride height, and then I want to tighten it up so that the bushings basically come out to the same spot as the washers, basically compress the bushings down.

We'll fast-forward as Mike replaces the wheel and then replaces those lug nuts and just tightens them up preliminarily. Then lower the vehicle and torque each of the lug nuts to 100 foot-pounds in a crossing pattern. Then torque this 30mm nut to 184 foot-pounds, and then just replace your hub cap.

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Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years. We're dedicated to delivering quality auto parts, expert customer service, fast and free shipping, all backed by our 100% satisfaction guarantee. Visit us at 1AAuto.com, your trusted source for quality auto parts.

In this video, we're going to be working with our 2006 Ford Explorer. We're going to show you how to remove and replace your vehicle's sway bar link in the front. If you like this video, please click subscribe. We have a ton more information on this and many other vehicles. If you need these parts for your car, you can follow the link down into the description over to 1AAuto.com. Here are the items you'll need for this repair.

Using a 19mm socket and a breaker bar, loosen the lug nuts on your tire. Raise and support your vehicle. We're doing this on a lift to make it easier to show you what's going on, but this job can be done at home on a jack and jack stands. Finish removing your lug nuts. You should be able to do this by hand at this point but you can use a ratchet if you need to. You can then remove your wheel and tire.

It may be a good idea to apply some penetrating oil to whatever parts you're going to be working with. Put a 17mm wrench on the nut on the top side of your sway bar link and brace it against the frame of the vehicle. You can then use a 16mm socket and ratchet on the bottom to loosen it. The sway bar link on these vehicles is essentially a series of bushing and washers with a sleeve all held together by one long bolt, as opposed to being a one-piece unit like some other vehicles.

You can see ours is pretty rough here, because there's usually not this much slack. That's actually what your bushing is supposed to look like on all four pieces, one on each side. You can see the old ones are worn down or cut there. It looks like they've actually fallen off over time. Once the nut's out, you can try to remove the bolt from the center of the sway bar link. This can be pretty difficult, so if it doesn't come out by hand, don't be afraid to get on there and give it a good hit with a hammer. The sway bar link will disassemble just like that when you pull it out, so just make sure you have all the old bushing material and all the old washers off of it.

Now you sort of need to build the sway bar link into the truck, so we'll start with a washer and then a bushing. We'll go up through the control arm, install a bushing with the tapered end down, followed by another washer, the sleeve, a washer with the cup end facing up, and a bushing with the tapered end facing up. We'll go through the sway bar, install another bushing. You may need to use a screw jack or floor jack to jack up the control arm to get enough slack on that bolt to install the sway bar link. Then install the washer and a nut and tighten your new hardware down. You'll want a 17mm wrench on the nut and a 16mm socket and ratchet on the bolt end. Just tighten that up until it compresses the bushings so you know that everything's nice and tight and there's no slop in there to make any noise when you go over bumps. Once that's down tight, you can lower the weight off of the screw jack or floor jack.

Reinstall the wheel and tire onto your hub. It's easiest to put a lug nut inside of the 19mm socket to start it onto the studs. Get all five of these down as tight as you can by hand, and then we'll torque the wheel once there's some weight on it. Lower the vehicle back down and put partial weight onto the wheel and tire. This means that you may have your jack or lift under the vehicle. Get the tire to touch and let the vehicle come down some without allowing it completely off of the lift or jack. Torque your lug nuts to 100 foot-pounds in a cross pattern.

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