Replaces
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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 are going to show you, we're going to show you how to replace a spark plug in this 2002 GMC Sierra 2500 HD. It's pretty much the same process with most V-8 engines. And the only tools you're going to need for this vehicle is 5/8-inch-deep socket or a spark-plug socket and a ratchet, and you're also going to need a gap tool.
Okay, so because this is a V-8 engine, it has eight spark plugs. There's four on this side and four on the other side, and in this video, we are just going to show you how to change one of them, but it is pretty much the same process for all eight. Okay so, using your gap tool, you just want to make the gap on the spark plug the proper size. In this vehicle, it is .06. You just want to use the pegs on this pry out the gap on the spark plug until you get it so that there's just a little bit of resistance as it slides on to the proper size. And there it is.
Okay, so you just want to reach down to the spark plug you're changing and disconnect the spark plug wire, and then using your 5/8-inch-deep socket or a spark-plug socket and a ratchet, you just want to twist that out. And then just remove that spark plug. Okay, and then what you want to do to replace it is just put that spark plug right into the socket, feed it down into the hole and just twist it until it's threaded on there. Once it's threaded, you just want to use your ratchet and tighten up that spark plug the rest of way. Generally, you want to tighten them to about 20 to 25 foot pounds. Then remove your socket and put the spark plug wire in place and just repeat that process for the other seven spark plugs.
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These are where your spark plugs are on this 2009 Chevy Suburban. It's the rearmost one of the driver's side. We have four in each side. One, two, three, four. We go over to the passenger's side. This one is a little bit trickier to get to. It's in the way, way back. We've got back there, one here, one here, and one here. It'll be just enough room to get it. We're going to show you how to replace one on the driver's side front. This procedure is going to be the same for all of them. It just might take a little more maneuvering to get to the other side.
I'm going to give this a little turn, and then you don't want to pull on the wire. All you've got to do is work it off of the electrode and of the spark plug. It's usually on there pretty tight. I should also mention that you should do this when the engine is cold because we're right next to the exhaust manifold. Just put this to the side. You should do these one at a time.
Spark plug is down here in the head. I'm just going to take some compressed air. Just blow around the spark plug. If you don't have that, it's okay. Just be careful. Maybe take a brush. You just don't want anything falling down into the cylinder when you open up the spark plug hold. These spark plugs are going to take a five-eighths socket. You want to get a spark plug socket. This is a regular five-eighths socket. If you put a spark plug in here, it's real, real loose, and you can turn it while you're trying to install it. The spark plug is going to fall out.
A spark plug specific socket has a rubber insert to grab on to the foursome part of the spark plug so when you put it in here, it seats. You can go to install it. It's not going to fall out and the same when you're using it to remove old spark plugs. You can lift them out of the engine and they won't fall down. We're going to use a three-eighths drive and my five-eighths spark plug socket. It should be on there.
Take my ratchet. You're going to remove it. These are only torqued to eleven foot-pounds, so it shouldn't take much effort to get them out. Once it starts to get loose, you can remove the ratchet. We just use our fingers to spin it out. As you remove it, the spark plug socket is going to hold it in place so if you need to move it around, you're not going to drop it.
So you can see this is our old spark plug and this is our new one from 1AAuto.com. Their threads are the same length. A single electrode. These are going to work great and give you nice performance on your vehicle.
Take our new spark plug and put it into our spark plug socket. Carefully place it into a spark plug opening. Sometimes if you go backwards, it helps you find the threads and then you can spin it forward to go in. It should go in very, very easily. If it feels like it's cross-threading, you should stop and make sure that it's going in nice and straight. Okay. Now that you've got it hand-tight, we're going to torque it to eleven foot-pounds.
The spark plug torque can reinstall our spark plug boot. Just push it on as hard as you can and just check that it's seated.
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