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Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years.
In this video, we are going to be removing and replacing a throttle body in a 2009 Chevy Suburban. If you need this part or other parts for your vehicle, click the link in the description, and head over to 1AAuto.com.
We're going to remove this cover. Just grab underneath. Pull up. Then you're going to pull out. You're going to have to wiggle it a little bit, and it'll come right out. That's where it's secured down, and there's clips that hold that in. Next, we're going to remove this snorkel. We have a worm clamp right here. We're going to use an 8 millimeter socket and extension. Loosen that up. Then over here, there's a worm clamp right here. Do the same. We're going to take a trim tool. Over here where the hose is secured, we're going to separate that. We're going to remove this hose that goes to the upper valve cover. Pull that out, and we're going to lift up right here and pull towards the front of the vehicle. Then pull this off the air box. Pull that out of your way.
We're going to disconnect the connector on our throttle body. We're just going to push down on the tab right here and pull the connector out. Set that aside. Then we're going to use a 10 millimeter socket, an extension, and a ratchet. We'll take these top two nuts off. Take that one off. Then we'll pull this one off. Then there's two 10 millimeters bolts on the bottom. Take those out. Pull that out. We'll pull this one out. Pull that one out. Then you can grab the throttle body with two hands and pull it forward.
This is our old throttle body. This is our new throttle body from 1AAuto.com. As you can see, the configuration is the same. The holes are in the same locations. The throttle blades are the same. The connectors are the same, as you can see. The back is the same. This one's significantly dirty than this one. You want to make sure that you do not drop this. These are engineered with precision machining. Even just a little drop can mess it up. Another thing to keep in mind, you never want to loosen up those screws on the plate, because that has already been calibrated. You want to leave that alone. Get yours at 1AAuto.com. You'll be ready to rock and roll.
It is recommended that you replace the throttle body gasket when doing this, although ours looks like it's in good shape. You can check and see if it's been squished. Our gasket is still raised up, so we're going to reuse our gasket. Just wipe it down.
We're going to install our throttle body. Slide it over the studs. Take our two 10 millimeter bolts, and start those down below. Install the 10 millimeter nuts. All right, now we're going to torque these bolts and nuts down to 89 inch pounds. We're going to reconnect our electrical connector until it clicks in.
Next, we'll install the intake snorkel. Slide it down. I'm going to slide it over the throttle body right here, and watch this rubber grommet over here. We're going to pull up on it. Always slide it back, so that's in, and it's in right here. Next, we're going to come over here. Pull this onto the air box like that. Over here, a little retainer for the hose. Slide that in there like that. Then on the back side, this hose that connects to the upper valve cover, pop that in. Now I'll take my 8 millimeter socket, extension, and a ratchet. Tighten up this worm clamp right here. Not too tight, just a little bit snug. Then same on this one, snug it up. That's good. We're going to slide it underneath the hoses over here, the heater hoses, and then slide it back. Then once it's back all the way, these little rubber grommets in here that line up with that ball and socket, and push down.
Now we're going to start the engine and let it idle for three minutes. Next, we're going to shut the vehicle off and let it sit for one minute. Now we're going to start the engine up again. We're going to let it run for three more minutes. At this point, our engine's been running for three minutes the second time around. Our idle appears to be where it should be.
The next step is to drive this vehicle at 44 miles per hour for multiple accelerations and decelerations. At that point, if you have any check engine light come on and there's any idle concerns, you are to clear the codes and restart the process again. This idle relearn procedure is something you want to do anytime you replace the throttle body or you clean the throttle body.
Before you take the vehicle out for a ride, you just want to check the accelerator. Make sure it is responding when you press it and let up. Drive it around in a parking lot for a little bit before, and then take it on the road, 44 miles an hour.
Okay, so I drove around in the parking lot just to make sure the throttle seems to be responding properly. Now I'm going to take it out on the road and drive 44 miles an hour, accelerating and decelerating for a while. It should calibrate everything okay. Now we're getting on the highway. We're going to go above 44 miles an hour for a while. Accelerates and appears to decelerate good.
All right, we just got back from our road test above 44 miles an hour, accelerating, decelerating. As you can see, our idle is right where it's supposed to be. It's right above 500 RPM. What I can do is just check the accelerator. Seems to be accelerating property and decelerating. At this point, our idle is good, and there's no further actions. If we did get a check engine light with an idle code, what you would want to do is clear the code and start the procedure from the beginning. At that point, you'd be all set.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
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Now that we've popped the hood, we're going to get this off of here. Pull it up and slide it right out of the way. The next thing we want to do before we disconnect anything electrical is disconnect the negative battery terminal. Make sure you move it so it's very clear from the battery and there's no way it can make another connection. Now, we're just going to grab onto this, pull it right straight out of there, and set it aside. The next thing we're going to have to do is take off our air intake here. You're going to see an 8-millimeter right there or you can use a flat-head. We're going to loosen this up so that the clamp will come loose and we can take the hose off of this. That's loose enough. You don't need to completely disassemble it. We're just going to try to work it off of there. Now, if you follow this up, you're going to find the area where this connects onto the throttle body. Loosen this clamp as well. Nice and loose. I'm going to carefully try to draw this away from there. Okay. Lift up on this area right here. Pull that away nice and easy. If you were to look under here, you're going to see what's holding us up now. Right along there. I'm just gonna use a little forkey tool and pull out that push clip. Right under here. Okay. Pull this off of there. Remove this.
The next thing we're going to do is use a nice small pocket screwdriver. This little gray clip right here is a lock. So, I'm gonna come right down from the top, put it in, twist, that pulls away. And then right in between the two gray areas, there's a little push area. Push this down and draw this off. Take a peek, make sure you don't see any funny colors. The next thing we're going to do is use a 10-millimeter. We'll remove the two top nuts and the two lower bolts. Carefully grab onto this, give it a nice wiggle, and draw it away. Now that we have that off, we're going to get this gasket out of here. Be careful for the plastic. You don't want to chisel it up or cause any damage. There's the gasket. You're going to want to replace this.
Before we go ahead and put in our new gasket, make sure you wipe down the area where the mating surface is going to be. You don't want any dirt or debris in there. That looks great. Take your new gasket. We're going to carefully put it inside the groove all the way around. Once you've compared your new throttle body to your old one and you're sure you've got the same corresponding part, we're going to continue with the install. just gonna take this and slide it right on there nice and easy. Everything should line up perfectly. Go ahead and start in the nuts. And then, of course, start in those bolts. Once everything started, we'll go ahead and snug them up and we'll torque them to manufacturer specifications.
Now that they're all started, we're just going to carefully bottom them out. We don't need very much pressure here because the torque spec form is only 89 inch-pounds. All right. Let's torque them to 89 inch-pounds.
Torqued. Let's go ahead and plug this in. Listen for a click, give it a tug, lock it in. Let's get this back in. I'm gonna come in through the top like this. I'm going to line up this piton with that right there. Okay. Carefully slide this in. Okay. It's close. Bring that back up. Try again. This grommet just moves around. Should slide right in. Okay. That feels good. Make sure your intake hose is completely up against the throttle body and as far as it can go. If it's hanging off diagonal or crooked, you're not going to get a good seal and there's possibility that you could suck dirty air into your intake system. Okay. We're sure that this is nice and tight. Let's go ahead and snug up the clamp. Okay. Just a little bit of pressure there. Perfect. Do the same to the other clamp. It's completely on. Seated perfectly. Tighten up the clamp. Let's go ahead and get this back in there. Give it a wiggle. Make sure it can not fall down. If it can, you need to make sure you secure this so it can't wobble around. We'll come right over here. Go ahead and press that in. Listen for the click, give it a nice, easy tug, make sure it does not fall out. Let's get this cover back on here. That's just going to slide in over the top of the engine all the way back as far as it can go. And then we've got our little piton under here. It's going to line up with that dongle there and then another one here in there. Bring this down carefully. Loving bonk. Make sure it's secured.
The next thing we're gonna do is reconnect our negative battery terminal. Slide that all the way down onto the battery, make sure you're making a good connection, and then tighten it up. Okay. Little bit of pressure there. That feels good. I'm going to grab that cord. Make sure that the battery terminals are nice and secure. I'm even going to check this positive. That's beautiful.
So, now that we've completed the installation procedure for the throttle body, we're going to continue on by doing the relearn procedure and you can do that two ways. You can do it the physical way right now that we're going to do or you can do it with a scanner. But the scan tool is going to cost you a couple bucks, this way is free. Here we go. So, what we're going to do is we're going to start up the vehicle, we're going to let it idle for three minutes. Once it's idled for three minutes, we're going to turn it off for one minute. Let it sit for a little while and then we're going to restart it for another three minutes and watch that idle. What you're going to notice is the idle is going to go, if you were to look at your tachometer here, this is what's going to tell you how fast the engine's spinning inside, the revolutions per minute. Okay. Let's turn this on so you can see. There we are. So, this is your tachometer here. What we're gonna do is we're gonna start it up, you're going to see a jump right up and then it's going to come down and it should be sitting just below that 1. That's 1000 RPMs or revolutions per minute. We need it to come down two lines below to approximately 800 to 700. So, now, we'll run the vehicle for three minutes and we're gonna let this come idling down. Okay. So, that idle just came down. It's sitting at approximately 600 to 700 there. We're going to turn off the vehicle, let it sit for one minute, and then we're going to run it again for another three. Okay. So, that minute's up. Let's go ahead and start it back up, run it for another three. Watch that tachometer right here and make sure that your idle drops down. Other things that you want to pay attention to is to look to make sure you're not getting a check engine light. If you have a check engine light, turn off your vehicle and check those codes to make sure there's nothing going on that shouldn't be. So, now that this has been running for another three minutes, we're going to go ahead and turn it off and let it sit for a little while. While it's sitting, I'm just going to go out and double-check to make sure everything's nice and tight the way that it should be. We'll close the hood. And then we're going to gear up for a nice road test.
So, now that we know that the throttle body's working perfectly and we have no check engine light, the next thing that we're going to want to do, you're going to take it for a nice road test and try to keep it going at a nice, steady pace, approximately 44 miles per hour.
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