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Product Features
TRQ drivetrain kits are manufactured using premium raw materials to restore original performance. Each TRQ drivetrain component is designed to be a direct, maintenance-free replacement to the stock unit. To extend the service life of your drivetrain, TRQ recommends replacing wheel hubs, bearings, and constant velocity (CV) drive axles at the same time to ensure even wear of components and improved ride comfort. All products are fit and road-tested in our Massachusetts R&D facility to ensure we deliver on our promise of Trusted Reliable Quality.
Replacing struts used to require specialized tools to compress, remove, and transfer the old spring and mount. Our Pre-assembled, complete strut & spring assemblies come with all new parts and make the job much quicker and easier for the do-it-yourself mechanic.
Strut & spring assembly contains:
Install Tip: When replacing steering components, have a professional alignment performed afterwards. This ensures proper tracking and even tire wear.
Our steering and suspension components are pre-greased and sealed for long life and do not require the extra maintenance typically required by greaseable versions.
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Attention California Customers:
WARNING: This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
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Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
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 an outer tie rod on this 2003 GMC Envoy XL. We show you on the passenger side, but the driver side is a similar procedure. The items you'll need for this include a new outer tie rod from 1AAuto.com, 19mm and 21mm socket and ratchet, 10mm, 22mm and 26mm wrenches, flat blade screwdriver, tape measure, pliers, hammer, torque wrench, and jack and jack stands.
Start by removing your wheel and tire. Pry off the cap first. If you don't have the benefit of air tools, you'll want to loosen the lug nuts, then raise and secure the vehicle on jack stands, and remove the lug nuts the rest of the way. We have air tools, so we put the vehicle up on jack and jack stands, remove the lug nuts, and remove the wheel and tire.
Start off by just spraying both ends of your outer rod with some penetrating oil. This will just help to remove those nuts. Then you want to measure from the end of the first nut on the outer tie rod to the center of this nut. You can see we actually marked on the outer tie rod where you should measure to. You want to make sure when you put your new outer tie rod on that it's the same distance.
Put a 26mm wrench on the larger nut and a 22mm wrench on the smaller nut. Just break that smaller one free. Now, using a pair of pliers, just straighten out this cotter pin. Once it's straightened out, try to hit it through or pull it through. If it doesn't move, then you can just break off this end. You just move each tab up and down until it breaks off. After you've done that, you can again try pulling it from the other side. If that doesn't work, you can just use a hammer and a punch.
Using a 21mm socket, just remove that nut. Hit the wheel knuckle with a hammer. That will just break that free. Then you can just twist your outer tie rod off. Now, just remove that nut on the outer tie rod the rest of the way.
I can see that my bolt was on to here, so I'm just going to make a mark on the new one to here. That's where I'm going to put my bolt onto, just a preliminary alignment. Twist the outer tie rod into place. Make sure that rubber boot is back on there. Then push the outer tie rod up into the wheel knuckle.
Just measure and make sure it's the same distance. If it is, you're all set. If not, you want to just adjust the nuts on the end of the outer tie rod. Since it is, we're just going to replace this nut and tighten it up. You can see we're using a 10mm wrench to just hold the stud steady. Now just tighten up these two nuts.
Replace your wheel. Replace the lug nuts and tighten them up preliminarily. Lower the vehicle. Tighten them the rest of the way, and torque each of them to 100 foot-pounds in a crossing pattern.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
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Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
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 front strut on this 2003 GMC Envoy XL. We'll show you on the passenger's side, but the driver's side is the same procedure. The items that you'll need for this include a new front strut from 1AAuto.com, 10mm, 15mm, 17mm, 18mm, and 19mm socket, a ratchet, piece of pipe for extra leverage, a 15mm and 18mm wrench, flat blade screwdriver, torque wrench, hammer, jack and jack stands, pry bar, and a 4.5mm Allen wrench. We recommend that if you replace the strut on one side, that you do it on the other side as well.
Start off by prying off your hub cap, and then just loosen out this 35mm nut. Now, loosen the lug nuts in a crossing pattern. We'll just fast-forward as Mike does this. Once you've loosened them, just jack the vehicle up, then remove the lug nuts the rest of the way. Now, the wheel will pull off.
Now, you want to remove these two 17mm bolts. You can see Mike is using an 18mm wrench to hold the nut on the inside. It will just make it easier to remove that bolt. Now, using a flat blade screwdriver, just pry out on the caliper, and then you can just set that aside. Now, pry out your brake pads. Now, you want to remove these two 18mm bolts. We'll just fast-forward as Mike does that. You can see, he's using a piece of pipe for some extra leverage to help brake those bolts free. Once those are removed, the bracket will pull right off. If your rotor doesn't slide right off then you may just want to tap it with a hammer, turn it, and then hit it again with a hammer.
Right, so if you have trouble getting the rotor off, it actually has press holes. You would get a bolt that's the proper size. I believe this is an M12 bolt. Use two bolts, thread them into those holes. As you tighten them up, they press against the hub and push the rotor off.
To get your axle out, maybe use a pry bar or some other the long item. You will put it up, in, and put it on the back of the axle right where it connects to the transmission or the axle, I should say. Make sure you're hitting the metal and it comes right out.
If you want to do the driver's side, you'll need to remove these four 15mm bolts and pull this panel down in order to access it. Using a 15mm socket, ratchet, and wrench, just remove this bolt. We'll fast-forward as Mike does that. Now, using a hammer, just hit the upper control line off the ball joint. Now, just pry open this clip and pull the harness free. You want to secure your caliper to somewhere out of the way, so we'll just wire-tie it right here on to the back end plate.
Now, you want to remove these 10mm bolts. We'll fast-forward as Mike does that. Now, just lift up on the upper control arm, pull this back, and make sure that the axle is loosened. Pull your axle the rest of the way out of the differential. You step around a little bit, and you can get it going up in. Just got to ankle it up, get it going up and in a little bit from the hub. Careful with all of your ABS wires, hoses and stuff.
Just spray this bolt right here on your sway bar link with some penetrating oil. Then, using a 15mm wrench and a 4.5mm Allen wrench (you can use some other wrench with some extra leverage on the Allen wrench), you want to just separate that nut and remove it. Next, you want loosen up these two 15 mm bolts. Just spray them with some penetrating oil. Then we'll just fast-forward as Mike loosens those up. Just push the wheel knuckle up, and then loosen those just so that they're finger tight and just a few threads on. That will hold the strut in place.
Then you want to remove this 18mm bolt right here. Using your socket, ratchet, and a piece of pipe just brake that free. Once you remove the nut, just tap out the bolt a little bit. You'll notice the brake lines in the way, so you just need to use a pry bar and pry that bolt out the rest of the way. Just lift up on the wheel knuckle, and then that will allow you to pull that out.
Spray some penetrating oil around the base of the strut, and then just hammer the wheel knuckle off with the strut. To keep the wheel knuckle from going all over the place, we're just going to wire tie it up. If you do this, you want to make sure that it's still kind of loose so you can still move the upper control arm up and down. Then remove those two 15mm nuts at the top of the strut, and just maneuver the strut down and out.
On the bottom is the old strut; above it is the new strut from 1A Auto. You can see they're identical, and they'll fit exactly the same.
Feed your new strut up into place. Then once you get the studs through, just replace those two 15mm nuts to hold it in place. Place a jack underneath the lower control arm. I've also got the lift where you have jack stands next to the vehicle. Just line up the strut and jack up the control arm into the strut. We will fast-forward as Mike tightens up that bolt. Now, just torque this bolt to 90 foot-pounds. Tighten up those two 15mm nuts and torque them to 50 foot-pounds.
We'll fast-forward as Mike replaces the nut in the sway bar. Using his 4.5 mm Allen wrench and his wrench, he's going to tighten that back up. As you're tightening up that final bit, make sure you have a wrench between the Allen wrench and the sway bar so you can still remove the Allen wrench from that bolt. Then just clip those wire ties if you ended up using them. Be careful not to hit wires. I just set it right into the hub and pull it, staying up around, and get it all the way into the hub. Then pull on it and feed it into the axle. Careful with the seal. You want to put that in, just doing a kind of back up in place that you go. Do not overextend. Just put that in place and push your axle right in and make sure it's locked.
Now, replace your brake line bracket in the two 10mm bolts to hold it into place. You want to just use the upper control arm to hold the wheel knuckle in place while you're doing this. Re-clip this harness. Now, hammer your upper control arm back down into the old one. Replace the bolt and the nut and tighten them up. You want to make sure that these holes line up in between the two holes that are on the hub. Then you just slide your rotor back into place and replace the lug nut to hold it into place. You want to check these slides on your caliper bracket and make sure they're greased up. If they're not, just apply some brake grease to them. Then fit the bracket into place. You can then just start twisting in your bolts by hand and then tighten them up.
Now, torque these two bolts to 110 foot-pounds. Torque each of these to 110 foot-pounds and then just replace your brake pads. If there's no grease on the ends, just apply some brake grease. Now, push your caliper back down into place and replace those two 17mm bolts. We'll fast-forward as Mike does that and tightens those up. Now, torque each of those to 40 foot-pounds.
Replace the hub nut. Remove the lug nut that you put on there to hold the rotor in place. Then put your wheel in place. Then replace each of the lug nuts and tighten them preliminarily. Now, torque each of these to 100 foot-pounds in a crossing pattern. Then torque the hub nut to 103 foot-pounds. Then replace your hub cap.
After you've done any work on the brakes, you want to just pump the brake pedal until it firms out. Then you want to do a stopping test from 5 miles per hour and 10 miles per hour.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
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Brought to you by 1AAuto.com-- your source for quality replacement parts and the best service on the internet.
Hi, I'm Mike Green. I'm one of the owners of 1A Auto. I want to help you save time and money repairing and maintaining your vehicle. I'm going to use my 20 plus years' experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1AAuto.com. The right parts installed correctly, that's going to save you time and money. Thank you and enjoy the video.
In this video, we're going to show you how to remove and replace the front wheel bearing hub on this 2004 Trailblazer. This is the same for many 02' to 09' Trailblazer, Envoy, Bravada, Rainier, Saab 9-7X, as well as Isuzu Ascenders. Tools you'll need are various millimeter sockets, a breaker bar or pipe, if you need some extra leverage. I actually didn't need the extra leverage on this vehicle, but I do show you how to use it, flat blade screwdriver, wire brush, a large c-clamp to reset the pistons in the caliper, torque wrench, 35-millimeter socket, which is something that most toolboxes don't have, but you do need that 35-millimeter socket and then jack and jack stands.
Start by prying your cap off. That's a 19 millimeter and if you don't have air tools, you want to start with the wheel on the ground, loosen the lug nut, then raise it, port it with jack stands and then remove the wheel and the tire. I'll just fast forward taking off the rest of those lug nuts and then removing the wheel and tire.
Now either pull or using the steering wheel, turn your wheels, so you have easy access to the back of the brake calipers. Now, we're going to check the condition of the brakes. Now, I spin this, you'll the rotor move. Okay. Then right to the right there, there's actually your pad. As you can see, there's not that much life left and it's not looking well on the outside either. We're going to remove the caliper, which is removing a bolt up here and a bolt down here and then after that, we're going to remove the caliper bracket, which is two large bolts, 18 millimeter one here and one up here.
The bolts on the caliper, relatively easy, 13 millimeter, use a small wrench. We'll just speed it up here as I remove those two bolts. Okay, the caliper comes right off. You can put that over here. Okay. These are 18-millimeter bolts for the caliper bracket. You're going to want a breaker bar, which is a bar to give you extra leverage. Okay. As you can see, it actually come apart pretty easy. If you don't have a breaker bar like this, you just have a ratchet, you can put a piece of pipe on to give you extra leverage and pull it easy on the pipe and it should have come loose.
When you're all the way up, you can just take your pads off. Take your screwdriver, which should pretty easily pry out. All right. You can see this one. That little line down the middle is the wear and tear. It's actually just about at the end of its life.
We'll fast forward again as we remove those two 18-millimeter bolts that hold that caliper bracket. Okay, that comes off. Then your discs should just come off. If your discs don't come off, there are threaded holes and you need to use some bolts. What you do is you put the bolts in there and the bolts crack against the hub to push them out. Okay. These rotors are pretty crusty looking so I am going to replace them using a 35-millimeter socket. If you don't have an impact wrench, what you'll need to do is, you'll do this at the beginning, you pull that cap off your wheel and then with the big breaker bar and a pipe, you'll loosen this hub nut. Because I have an impact wrench, I can do it this way.
When you're replacing the hub, you don't want to go just hammering away on the axle because you can damage your CV joint, but most of the time, if you just give this one good whack, you'll see that it's broken loose. Basically, just watch the relationship of your axle to your hub when you give it a good hit. Okay and it moved just fine. Just a note, I've yet to have a GM car, where just hitting it with the hammer once didn't break it free.
Right in behind there are three bolts, one here, one up there and then there's one around the back side as well, right down there. Now I get to those bolts. I'm going to take an 18-millimeter socket with a short extension. Okay, put it right on there. I'm going to use the poor man's method. I've got my ratchet and keep the pipe for leverage. Okay. Now I'm going to pull nice and easy and actually these come apart pretty nicely.
Now I'm going to speed up as I loosen the other two and remove those three bolts. Okay, your lead comes out. Okay, follow it around and we'll clip back here, push with the screwdriver, push on the other side, and push that out. Okay, and pry these right out. Now I'm going to really speed through here. All I'm going to do is follow the ABS lead up and pry out the connectors. One note is to check your new hub because that will tell you kind of how the connectors come apart, whether or not you need to pry them out of the frame or just open them up, so that you can put the new lead in.
This last connector with a tab right beside here, go in, lift up, and pull that off here. Okay, turn to the side, that out, off. All three of my bolts are off and my harness is disconnected. Just take a hammer. Okay. It all pops off. You need to get this metal shield off. Okay, get the metal shield off by using a combination of tap it off with a hammer and there's your hub. Take a wire brush here. Just clean off some of the scale. Okay, put that back on and a new hub from 1A Auto, exact same thing as the old one. Take the harness and put it back in place, work it onto the CV, push it on, take one of the bolts, put it through here, move the back end plate and start it into the hub. Grab the other two bolts.
I'm just going to speed it up as I reconnect that harness and route all the clips. It's very important to clip it back into place as it was originally, keeps the ABS harness from rubbing against anything and possibly damaging your ABS brakes.
Now we're going to put the torque on these three bolts to 90-foot pounds. I'll fast forward a little bit as I torque the other two bolts and again, I said I torqued them to 90-foot pounds. We're going to put our hub nut on and we're just going to ... we're not torquing it right now. We're just pulling the CV axle into the hub. Here, I'm going to fast forward through putting the brakes back together. If you'd like to see this in real time, just check out our video for the Trailblazer brakes and do please keep watching because I do go through torquing the center nut on the hub, as well as some other important information about what you need to do after you've had your brakes apart.
With the tire back on the ground, I'm going to torque the lug nuts to between 100 and 120-foot pounds, kind of just using a crossing pattern. Now here, I'm going to tighten that lug nut to 103-foot pounds. Very important after doing brake work, always pump your brakes many times and then before you do a road test, make sure the brakes hold the vehicle in gear and then do a stop from five miles an hour and ten miles per hour before hitting the brakes.
We hope this helps you out. Brought to you by www.1AAuto.com-- your source for quality replacement parts and the best service on the internet.
Please feel free to call us toll free, (888) 844-3393. We're the company that serves you on the internet and in person.
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Okay, friends. One of the first things we need to do to start this job is to safely raise and support the vehicle. I like to raise it directly on the frame. Once you have the wheel off the ground, we're gonna remove our center cover. That exposes our 19-millimeter lug nuts. Remove them all, and then remove the wheel. The next thing I like to do is remove the caliper from the bracket directly. The reason for that is because I like to take a look at the pads when I'm taking everything apart. I'm gonna use an 18-millimeter to hold the slider from spinning, and then I'm gonna come right from the backside of the caliper, and I'm gonna remove my 13-millimeter nuts that hold the caliper to the bracket. Okay. I've got both our bolts here. Slide the caliper off. It's always a great idea to inspect the caliper directly. Look along these boots to make sure you don't see any moisture or anything like that, and you also wanna make sure that the piston itself isn't chipped or broken in any way. Let's get the pads off of here. Feels as though this rearward one's frozen in there. There we are. I usually like to turn the wheel a little bit so I can expose these 18-millimeter headed bolts. We're gonna remove both those bolts that holds the bracket to the knuckle. I'm gonna leave that in just a little bit. Remove the other one. Grab that bracket, and remove the other bolt. There it is, friends. Now it's time to remove the rotor.
Next, we're gonna use a little bit of penetrant. We're gonna come right here along where the axle nut is, and then we're gonna come along the wheel bearing where it connects onto the knuckle. We wanna try to spray down that area with some penetrant, and if you can see the bolts coming through the wheel bearing, spray those areas as well. Let's remove that axle nut. The next thing we need to do is make sure that our axle can move around inside the wheel bearing. If for some reason the axle does not slide in and out, take a punch, take a hammer, go right in this center hole, get it to break free. If that's not working, go ahead and spray inside there with some penetrant spray. The next thing we need to do is disconnect and unsecure our ABS wire so when we remove the wheel bearing, it'll be ready to come out. If you were to look at the frame, you're gonna see this area right here. It has a couple wires coming in, a couple wires going out. This area leading towards the front is actually part of the ABS wire we're gonna be removing. So we need to come right here and disconnect this. Just take my little pocket screwdriver. I'll pull it like that until I can see that white piece is pressed up against here, and then you press on this area, and you should be able to take these two apart. There we are.
Now what we need to do is use our little forky tool here or a pry bar or whatever you might have. We're gonna try to get in between this piece and the frame because there's gonna be a little push clip or piton that forces in. I'll show you what it looks like. There it is. That just forces right inside this hole, and it holds it secure. The new wheel bearing is gonna come with all new clips, so you don't have to worry about breaking them. That one out of there. Okay. A lot of times the clips that go up into the control arm, they kinda get stuck up in there. You can try to pry it out of there. More than likely it's gonna break the little piton going up in. So if you wanted to, if you were to look right along this side, you can see an area that we can press with a small pocket screwdriver, and it'll let this come down. That's the way I'm gonna remove this one. Get this one off of here. For this one, you need to squeeze these two tabs right here. Give them a little squeeze with some pliers and should pry off. There we go, friends. Now what we need to do is come from the backside of this knuckle here. If you were to look along where the axle goes through the knuckle, you're gonna see where the bolts are that hold the wheel bearing to the knuckle. We're gonna use an 18-millimeter to remove all 3. There's one of my bolts. Do the same to all.
The next thing that I like to do is use this ABS wire. We're not gonna be reusing it, so this is okay. I'm gonna take it, and I'm just gonna tie it right around the knuckle, just like this. The reason for that is because now what I need to do is start bonking on this with a hammer carefully and try to break it free from the knuckle. When it does break free, the last thing that I want is for it to come shooting off and potentially hurt me. So, this kinda acts as a safety net. Let's go ahead and start hitting this with the hammer. There we are. As you can tell, my safety net worked well. We'll just go ahead and get the backing plate off of here. There it is, friends. The next thing we need to do at this point is to clean up this area. All the areas that you notice where the wheel bearing was sitting up against the knuckle need to be nice and clean. The wheel bearing needs to be able to ground thoroughly through the knuckle. Use something like a scraper, a screwdriver if you have to. You could use a little brush. Use whatever you need to, but try to get off the majority of this rust, especially any raised areas. The next thing we would wanna do is clean up the backing plate the same way. Clean up both sides, the area that's gonna be up against here and then, of course, the area that the bearing's gonna be against. Once you've done that, go ahead and take your bolts. Make sure that they're clean.
These look like they could use a cleanup, so I'm gonna take them to the wire wheel. After I've done that, I'm gonna apply a little bit of threadlocker. So I've got these cleaned up. I've got a little bit of threadlocker on there. The next thing we're gonna do is use a little bit of copper Never-Seez, try to get around the areas where the bearing's gonna be resting in here. It's just gonna help make it come out easier next time. I also like to get the splines on the axle. Now we have our backing plate nice and cleaned up. We did both sides where the bearing's gonna ride like I said. Go ahead and take that ABS wire that comes from your wheel bearing. Slide it right down and through the center there. That's great. Now we're gonna line up the slot with where this is gonna go through, and then we're gonna put the whole unit up on to the knuckle just like this. Now something that's important to remember is that you wanna have the slot in the backing plate facing to where the caliper is. So if I was to put this in like that, it's not gonna be right. You're gonna wanna go twisting it until it lines up right like this. Let's get the ABS wire out of there. Perfect. Let's go ahead and start in those bolts. Now let's just go ahead and bottom out those bolts. Torque these to 77 foot-pounds. Now it's gonna be time to get our ABS wire back resecured.
We wanna make sure that it doesn't get damaged by hanging around and flopping and all that stuff. So, just take a look at it and take a look at all the areas that we left on here for clips. Any of those corresponding areas, we'll just take them off of the new one, okay? So I've got this clip that just comes around back here. It's gonna slide in. That's the one we got with the pliers. You remember that one. We'll bring this up through here. This one, obviously, we can take this off of here. We'll recycle that. Once up here, click it in. Same thing right here. We'll get this one off of there as well. Put this up in here. Latch it in. Make sure you give it a nice tug. All right. So now we're just gonna follow this and put it back in everywhere where it goes in. That one in there. Now we'll clip these together. Make sure you lock it in, give it a nice tug, and then secure it. Double-check all your anchor points. Make sure that there's no way that this ABS wire can come loose. The last thing you want is for it to get damaged. The next thing we're gonna do is get our axle nut back on here. I like to use a little bit of threadlocker. We'll put it on, bottom it out, and then we'll torque it to manufacturer's specifications. Now to torque this axle nut, what you're probably gonna find is that as you try to turn this to tighten it, the bearing's gonna keep spinning. To cure that, you can use a nice long pry bar. Come right in between the lug studs.
You wanna make sure it's nice and flat so you don't damage the threads. Now we're gonna torque this to 103 foot-pounds. Going with the assumption you're not replacing your brakes or your rotors, you're gonna wanna clean up the mounting area that goes up against where the bearing is. Now we're gonna go ahead and spray down this area of the hub with some copper Never-Seez. Put our rotor on, and then grab one of your lug nuts and start it in so it holds the rotor so it doesn't move around. Next, it's gonna be time to go ahead and push in the caliper pistons. What you'll notice, if you were trying to use a tool that looks like this, which is what most people have, is you would go inside like this, squeezing this piston. As you squeeze this one in, this one would start coming out. That could be an issue. If you're using this tool, the best way to do it would be to go ahead and take one of your old brake pads and then go ahead and grip right in the center and squeeze it down. For me personally, I have this tool right here. As you crank it, it's gonna push in both these pistons at the same time. You could also use this at the same time if you wanted to. Put this in. Now we're just gonna slowly push in the pistons. The next step for preparing this is we wanna add a tiny bit of lubricant along the pistons themselves and then along each of these three ears.
The reason for doing this is for vibration dampening and noise reduction. Time to get the caliper bracket on. Go ahead and take your caliper bolts and use a tiny bit of threadlocker. Let's get these started. Torque these to 118 foot-pounds. Now it's gonna be time to get the brake pads onto the vehicle. What you're gonna notice is you should have some wear indicators. They probably came in your little bag. You can go ahead and squeeze that right onto the pads, and you want them both facing just like this. When we install these, we want the brake indicators facing up. See if I can slide this in here. Should slide in nice and easy. If you have to force it in or use a hammer for any reason, you probably didn't clean up the bracket enough. These look great. Make sure they can move around freely. Go ahead and take that caliper and slide it over. Put it right down on there. Now we're gonna grab our caliper mounting bolts. We've got our caliper bolts with a teeny bit of threadlocker. Start them in, bottom them out, and then we'll torque them down. Let's torque these to 31 foot-pounds. It's always a great idea to double-check everything that you removed and replace. Just make sure everything's secure and good to go. Once you've done that, let's go ahead and get the wheel up on here.
Bring the vehicle down so the tire's just barely touching the ground so we can't spin, and then torque the wheels in a crisscross manner to 103 foot-pounds. Now it's gonna be time to get our center cover on here. If you were to turn it around, you might see something that looks a lot like a valve stem. Line it up with your valve stem and then go ahead and pop it on there. All right. Now I know you think you're done, but you still need to pump up the brake pedal, and then we're gonna go out there and double-check that brake fluid level. Right underneath the hood, you're gonna see your master cylinder. It'll tell you what type of fluid to use. You can give it a little shake and just double-check to make sure you can see it's up at that maximum line.
Tools used
Okay, friends. One of the first things we need to do to start this job is to safely raise and support the vehicle. I like to raise it directly on the frame. Once you have the wheel off the ground, we're going to remove our center cover. That exposes our 19-millimeter lug nuts. Remove them all, and then remove the wheel. Now that we have the wheel off of here, we have a clear view of our front strut. Let's start off by spraying everything that's going to need to come apart with some penetrant. Right down here, let's go ahead and get a little bit right in there for the threads.
Up along this area, go ahead and spray that bolt. And then, of course, this area up top, you're going to see right along the top of this strut tower there's two studs that come up. We're going to spray those so the nuts will come off. Right down this side too. Use your 24-millimeter socket to remove this nut. The next thing we need to do is separate this lower portion from the stud right here. To do that, you can use a punch with a hammer and try to come from this side and drive it out towards the front or, of course, if you have an air chisel like I do. So that broke free. That's perfect.
The next thing we need to do is get up top underneath the hood. So now under the hood, as you can tell, we can see the nuts on the top of those struts. We're not going to touch the center one. Do not touch that. Do this one right here and that one over there. These are 18-millimeter. Here's one nut. I'm just going to start it on there just a couple of threads. Remove the other one. All right. There's that one. Get the other one off. Let's go back into the wheel well. Let's go ahead and grab onto that. Pull it aside and then carefully drop it down and remove it from the vehicle.
Now that we have this out of the vehicle, we're going to go ahead and hold onto the bolt side of this with our 18-millimeter and then remove the nut side also with an 18-millimeter. Now I'm going to come from the other side with my air gun here or use whatever you want to remove this, but spin it out. Go ahead and put our nut on there just a little bit so we don't damage the threads and then give it a couple of loving bonks. That's moving right along. Take it right out. Something that we want to pay attention to before we go too much further is the orientation of this piece right here.
If you were to look at it, you're going to see it would run directly along here, and it's going to line up with one of the studs. It doesn't matter which one, just make sure it does line up when you come time to install. Now it's going to be time to go ahead and try to get this off of here. Something to pay attention to is the fact that we're going to have to hit it with a hammer. We're going to be trying to drive it off of the strut itself. As it starts coming off, there's also the possibility that it could come flying off and potentially hurt you.
Obviously, nobody wants you to get hurt. So I just want to mention, be careful for where this goes when it comes off. Grab your hammer or whatever you might have and go ahead and give it a couple of bonks. You might happen to notice that it just doesn't want to come off of there. If that's the case, go ahead and hit it with some more penetrant. Once you have a good amount of penetrant in there, go ahead and use a nice chisel or a punch, whatever you have that's going to be able to spread these ears a little bit.
As we spread these, something to pay attention to is you don't want to keep spreading them until the point where they start to crack or get brittle. You definitely don't want to damage this piece in any way. As I just spreaded those ears, what I saw was this started to let go. I'm going to give it a little wiggle. This is great. Just try to work that penetrant in there. So we got our new strut here. One of the first things we need to do to get this into the vehicle is, of course, get that bottom piece on there. To do that we're going to put a nice piece of wood on the floor, and we're going to turn this upside down.
I'm going to rest it just like this. Pay attention to where those studs are. Okay? Because that was important. I mentioned it before. When we go to install this, we want this arm that's coming out going in a straight line. You can see there's a dot, a dot, a stud. Try to make it a nice straight line. If you put it like this, obviously, it's going to cause an issue when it comes time to install. So we'll get it as close as possible. Now that we've got that nice and covered, let's go ahead and get this lined up straight as possible here. Oh, it looks pretty great.
Give it a couple of loving bonks. Now, as I'm doing this, you can tell the reason why I wanted to use wood on the bottom there. We've got all those studs coming down, and the last thing I want to do is mess anything up. As we bring this down, you're going to want to keep going until it bottoms out on this ridge right here. Looks like it's pretty much there. Double-check it all the way around just to make sure it's completely seated. So now let's take our unit. We're going to slide it right in, get it up into those, and then slide it on this stud down here.
Everything should line up perfectly. If it doesn't, and for some reason, you can't get it in here or you can't line up the top, obviously, the issue is right here. You just didn't line it up properly. I usually like to put a tiny bit of threadlocker on this right here, and then we'll get the nut on. We'll bottom it out. Let's go ahead and torque this to 81 foot-pounds as well. It's going to be time to put in the lower bolt for the strut here. Goes through from the inside or towards the inside of the vehicle here and then going out. Let's go ahead and bottom this out, and then we'll torque it to manufacturer's specifications.
Now we're going to torque this to 81 foot-pounds. There we are. Let's take our two upper mounting nuts. We'll get those on. We'll bottom them out, and then we'll torque them to manufacturer's specifications as well. Torque these to 33 foot-pounds. It's always a great idea to double-check everything that you removed and replaced. Just make sure everything's secure and good to go. Once you've done that, let's go ahead and get the wheel up on here. Bring the vehicle down so the tire's just barely touching the ground so it can't spin. And then torque the wheels in a criss-cross manner to 103 foot-pounds.
Now it's going to be time to get our center cover on here. If you were to turn it around, you might see something that looks a lot like a valve stem. Line it up with your valve stem, and then go ahead and pop it on there.
Tools used
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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 a front hub on this 2003 GMC Envoy XL. The items that you'll need for this is a new hub from 1AAuto.com, a 17mm, 18mm, 19mm and 35mm socket and ratchet, a piece of pipe for extra leverage, 18mm wrench, flat blade screwdriver, torque wrench, hammer, and jack and jack stands.
Start off by prying off your hub cap. Then just loosen up this 35mm nut. Now loosen the lug nuts in a crossing pattern. We'll just fast-forward as Mike does this. Once you've loosened them, just jack the vehicle up, and then remove the lug nuts the rest of the way. Now the wheel will pull off.
Now, you want to remove these two 17mm bolts, and you can see Mike's using an 18mm wrench to hold the nut on the inside. That'll just make it easier to remove that bolt. Now, using a flat blade screwdriver, just pry out on the caliper. Then you can just set that aside.
Now pry out your brake pads. Now, you want to remove these two 18mm bolts. We'll just fast-forward as Mike does that, and you can see he's using a piece of pipe for some extra leverage to help break those bolts free. Remove the bolts the rest of the way, and then the caliper bracket comes off. Now, you need to remove your rotor, and hopefully you can just use a hammer, tap on the rotor a little bit, and it will come off. Our vehicle has some corrosion, so we end up using the alternate method.
If you have trouble getting the rotor off, it actually has press holes. You would get a bolt that's the proper size, I believe this an M12 bolt, and you use two bolts, thread them into those holes, and as you tighten them up, they press against the hub and push the rotor off. Once you've removed the rotor, if you haven't already, remove the center hub nut the rest of the way. Give the axle a good firm hit with a hammer, and once you see it's moving, then you know it's free.
Next, you want to disconnect these clips along this harness. To do that, you just flip those open with a flat blade screwdriver, or you can just pry them out. First, pull the harness connection out from the car, and then push the tab and disconnect the harness. We'll just fast-forward as Mike pries out those clips. Just note, that we did just unclip the harness that is connected to the upper control arm and left it in place. Now, just remove these three 18mm bolts that hold in the hub.
First, we're just going to spray the other side with some penetrating oil to help remove them. We'll fast-forward as Mike removes these. It does help to turn the wheels so you have better access to whichever one you're working on at whatever time. Now, using a hammer, just hit the back of the hub to loosen it, and then just slide it off the axle, making sure your harness is pulled through. Then just hammer that backing plate off the hub and pull your harness up and out of the plate.
On the left is the old hub; on the right is the new one from 1A Auto. You can see they're identical, and they'll fit exactly the same. Take your backing plate and feed the harness of your new hub through it. Then put the backing plate into place on the wheel knuckle. You want to make sure that the harness is going up through that top part of the plate. Once you have that lined up, push the hub back onto the axle and into place.
Once it's in place take a bolt and just twist in to hold the plate and hub to the wheel knuckle. Then just replace the other two bolts, and tighten all three of them up. Now, torque each of these to 90 foot-pounds. We left some clips in the body of the car, so you just remove the ones you don't need from your new harness, and the ones you do need just leave on there and push into place on the wheel knuckle. We'll just fast-forward as Mike re-clips the harness all the way along.
Then reconnect the harness. You want to make sure these holes line up in between the two holes that are on the hub, and then you just slide your rotor back into place, and replace a lug nut to hold it into place. You want to check these slides on your caliper bracket, and make sure they're greased up. If they're not, just apply some brake grease to them. Then fit the bracket into place and then just start twisting your bolts by hand and then tighten them up. Torque each of these to 110 foot-pounds. Then just replace your brake pads, and if there's no grease on the ends, just apply some brake grease.
Now, push your caliper back down into place and replace those two 17mm bolts. We'll fast-forward as Mike does that and tightens those up. Now torque each of those to 40 foot-pounds. Replace the hub nut. Remove the lug nut that you put on there to hold the rotor in place.
Put your wheel in place. Then replace each of the lug nuts and tighten them preliminarily. If you're working with air tools, you can tighten up the center nut preliminarily or you can wait and do this on the ground. Now torque each of these to 100 foot-pounds in a crossing pattern. Then torque the hub nut to 103 foot pounds. Then replace your hub cap.
After you've done any work on the brakes, you want to just pump the brake pedal until it firms up. Then you want to do a stopping test from five miles per hour and then 10 miles per hour.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
