1996 Chevrolet Express 1500 Van with Air Conditioning with 124 Amp Alternator Option 3 Piece Serpentine Drive Belt Component Kit TRQ BPA27089

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In this video, we're going to be working with our 1996 GMC Sierra K1500 5.7-liter V8. We're going to show you how to remove and replace the idler pulley on your serpentine belt.

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Here are the items you'll need for this repair: 13mm socket, ratchet, socket extension, torque wrench

Be sure your vehicle has a belt path diagram somewhere on the cowl or under the hood before removing the belt. If it's missing or unclear, be sure to draw it somewhere under the hood or take a good picture. Put the 3/8 drive of a ratchet into the square on your serpentine belt tensioner and turn it counterclockwise to release tension. Then simply pull the belt off of any one of the pulleys, slowly release the tension from the tensioner. Remove your ratchet, and take the belt off of the pulleys.

Your idler pulley is located at the top center of the engine at the front, right between your alternator and your A/C if your vehicle came equipped. Use a 13mm socket and ratchet to remove the 13mm bolt in the center of the pulley. Remove the pulley from the vehicle.

Now our pulley is still in okay shape, so rather than waste a new part, we're going to reinstall it, but installing your new part will be exactly the same. Simply line up the bolt, which is captured inside of the pulley so it doesn't come out. We'll bring that in as far as we can by hand and then tighten it down with our 13mm socket and ratchet before torqueing. Torque this bolt to 37 foot pounds. Make sure that it rolls smoothly and freely.

Hook the serpentine belt around the crank pulley or harmonic balancer from the passenger side. Be sure that it seats fully into the grooves of the pulley and doesn't lay over the edge on either side. Wrap the driver's side of the belt around the water pump, under the power steering pump on the other side, and up and over the AC compressor. I already have the left side wrapped around the tensioner here just because that's where it falls. Then, from over the AC compressor under the idler pulley, reinstall the ratchet into the tensioner. Turn the ratchet counterclockwise to release the tension, and install your belt over the alternator. Take a second just to look around and make sure that your belt is seated and routed properly before releasing the tension and removing your ratchet.

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Hi, I'm Mike Green from 1A Auto. In this video, we are going to show to how to replace a serpentine belt tensioner and an idler pulley on a Vortec 5700 equipped 99 Suburban. This process is basically the same for a lot of GM, V6, and V8 applications. Vortec 4300, 5000, 5700, these engines were used in many trucks from '96 to '98, vans, full size SUVs as well as the S-Series, S10, S15 Blazer and Jimmy.


The procedure is pretty simple. The only tools you'll need are 3/8 inch drive ratchet handle, a 13mm wrench, a 15mm wrench, and a small flat-bladed screwdriver. Okay, get started by finding your belt routing diagram, usually located near the radiator. This will help you taking the belt off and putting it back on. Unhook the battery, and then use your 3/8 drive ratchet handle. There is the hole in the belt tensioner that you'll put the handle into. You push down to release the tensioner on the belt, as I'm doing here, and then pull the belt from the idler pulley like that, and then your belt is free.

Then we can get right into to removing the idler pulley. It is a 13mm bolt. Just takes a little pressure. You see me loosen it here, and then pull the bolt the rest of the way and the idler pulley comes right off. Now you need to transfer that spacer on to the new idler pulley. The spacer is held on by a little locking washer. Basically what I'm doing here is I'm using a small screw driver and you can wrench below my hand. I actually have the wrench on the opposite end of the bolt. I'm using a small screw driver to pry up the little teeth on that little lock washer. That'll allow me to start being able to spin it and get it off. (Then my wonderful hair getting in the way a little bit there. No need to see that.)

You can see it. As I get a few more of the teeth loosened up, I can start spinning it a little bit, and then from there I will just spin it off with my fingers. Then pull that spacer off. Then next shot will be, I got the spacer on to the new idler pulley and I'm just twisting that little lock washer back on to hold it in place. Now I'll take that and screw on the idler pulley a little bit. Then I'll use a 13mm wrench to tighten up. I don't think I will show it in this video, but sure enough I'll tighten up. I will be tightening it up probably 20 or 25 foot pounds.

Now go on to the serpentine belt tensioner, which requires a 15 mm wrench and same thing; one bolt, loosen it up, and then unscrew it. I'm going to show you all of that and pull it right out. Bolt comes right out. Take your new tensioner and make sure you've got the right thing. Actually you can see I spin it and shake it a little bit. You can see some of the play causing it to make some extra noise. Just compare the new tensioner, make sure it is the right thing. Small, minor differences but in general it's the right, correct thing and install the new tensioner. One bolt, press it in there, get it started, and tighten it up. I did tighten it up, trust me.

Now, there is the new tensioner installed. Now what we are going to do, before we replace or put the belt back on, we are just going to through it. I'm just kind of spinning it through and just checking the outside surface, just to make there is no breaks, cracks in it or anything. I just go through the whole length of it and kind of pull it through. You see in a second I flip it over and on the other side, on the groove side; you may see some cracks and stuff. That is not a big deal as long as the outside is in good shape. Okay, now using the diagram, I have put the belt into place. I've got my wrench on the tensioner. I push the belt down into the idler pulley, and then I take some tension off and push the belt down on. After this, just make sure you check all the pulleys. Make sure everything is on their good. Then we connect the battery and you are all set.

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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 serpentine belt on this 2003 GMC Sonoma. It has the 4.3-liter. It's a pretty easy operation, you need a 3/8 drive ratchet handle as well as a 13mm socket.

Look at the top of the alternator. Right down here is your tensioner. I've got a 3/8 drive ratchet handle. There is a 3/8 square hole in the tensioner. Take your handle, push down. That takes the tension off the belt, and put the belt off. Slowly let your tensioner back, remove your handle. To proceed with removing the tensioner and reinstalling it, you don't have to take the belt off all the way, but I am going to show you how to take it off, and then also how to put it back on, just in case it comes off a couple pulleys or something. This just gives you some guidance on getting it back together if you need it.

Okay, here's our belt routing diagram. Always want to make sure you have this before you take the belt off, and then I can remove the belt. So, your tensioner right here, it's got a 13mm bolt right on the front, so I'm putting a ratchet and socket on it, and it's pretty tight to loosen. I'll speed it up here as I remove that bolt, and, as you can see, after you get it loose with the wrench, you can switch over to your hand and thread it out by hand. The tensioner will come right out.

Get your tensioner from 1AAuto, bolt goes through there. This pin on the tensioner. If you look down where it mounts, you can see the hole and then this smaller hole where that pin lines up into. Just drop the bolt through, put the bolt in. Make sure that tab goes into the indentation and start the bolt in. Speed it up again as I thread the bolt in mostly by hand, and then I'll switch over to my ratchet and socket to tighten it up. You probably want to tighten this to belt 25 to 30 foot-pounds.

Now, back to our belt routing diagram. What I'm going to do is take a loop and put it down around the crankshaft first, then come up and down around our power steering, up to our AC, and then over. What I'll do is I'll leave it off this idler pulley here so it'll just go right above that, and then we'll pull the tensioner over, and put it down onto that idler pulley. Then I take a loop and I'll put it right down through here, and then just kind of take my hand, put it up onto the crankshaft pulley, and then it's coming around the water pump here, and now I'm reaching down here and putting a loop down, and around the power steering pump which is down here on the right side as you're looking at the engine. Pretty tough to get your arm down in there. Then it comes up around to the AC compressor, and across the alternator. I think it came off my crankshaft, so I'm going to put my arm down in there and make sure it's down and around the crankshaft.

So, basically now, I have it routed around my tensioner there. It's not around this idler pulley yet. It's on my AC pulley, it's down there on my power steering pulley, and also down and around the crankshaft pulley. A little hard to see way down there. So, I take my 3/8 ratchet handle, put it into my tensioner again, push my tensioner down, and then take this and put it right down. I'll have to pull it a little bit because it's going to need to tighten it up around all the pulleys.

As I was trying to do this, I realized that it actually had come off the crankshaft pulley a little bit, so I'm reaching down in there, and I'm making sure it's on that crankshaft pulley correctly. So now I push that under there, and let it off. Okay, it's now under the idler pulley, around my tensioner, down and around my power steering pulley, up and around. The only thing I can't really show you is the crankshaft. You can see it down there, and maybe a little bit right down there. It's all in there correctly, though.

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.

Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.

Hi, I'm Don 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 idler pulley on this 2002 Chevy Suburban. It's the same part and process on these Suburbans from 2000 to 2008. The items you'll need for this are a new idler puller from 1Aauto.com, a 10 and 15 mm socket and ratchet, and a flat blade screw driver.

Start off by loosening these two hose clamps, using your flat blade screw driver. We'll just fast forward as Don does this. Just pry this clip out and then pull the hose back. You may need a flat blade screwdriver to help you pry it free. Then pull forward and lift it up and out.

Next, remove these two 10mm bolts, and we'll fast forward as Don does that. Pry the clip on this hose out of the fan shroud. Then remove these four clips around your shroud. To remove these clips, you just pry up the center and then pull the clip out. We'll fast forward as Don does this to the other three. Now, just pull that hose back and lift the shroud straight up and out.

Using a 15 mm socket and ratchet, just put it here on the tensioner. Push down on the tensioner and pull the belt up and over the idler puller. Then, carefully release then tension on the tensioner and loosen this 15 millimeter bolt. We'll just fast forward as Don loosens that. Once you loosen that enough it will just pull free with the pulley. Now, to separate the bolt from the pulley, you just need to pry off this ring and then pull the bolt out.

On the left is the old idler puller. On the right is the new one from 1A Auto. You can see they're identical, and they'll fit exactly the same. Put the bolt back into the idler pulley and then slide that nut down, and then that ring. Make sure that ring's pushed all the way back down in and that you bend those tabs back down if they got popped up when you pried it off. Then, push the pulley back into place with the bolt and just start hand tightening it. Once you've got it started you can use your ratchet to tighten it up the rest of the way. Now, push back down on the tensioner and push the belt back underneath the idler pulley. Then carefully release the tension on the tensioner and pull the ratchet free.

Now, to replace the shroud just push it back down into place. Then replace those four clips. Just push them back down into place and push the center down to lock them. Push the hose back into place and then replace those two 10 mm bolts.

Now, take this air intake hose and push it back down into place on the air intake box, and then, on to the engine. Then just tighten up those two hose clamps. Then just re-clip that hose to the air intake hose, and you're all set.

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.

Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.

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

In this video, we're going to show you how to replace the serpentine belt tensioner on this 1996 Chevy Tahoe with the 5.7-liter V8 engine. It's the same part and similar process on a large variety of GM vehicles, and it fits the Tahoes from 1996 to 2000. The items you'll need for this include a new serpentine belt tensioner from 1AAuto.com, a 10mm, 13mm, and 17mm socket and ratchet with an extension, and a 3/8 inch ratchet.

First, we need to just remove this cable. Just push back on that tab and pull the harness up and out. Next, you want to remove the series of 10mm bolts that line this panel. We'll just fast-forward as Don removes each of those. Now, lift that shroud up and off.

Now, using your 3/8 inch ratchet, just push it into that square hole, and then when you push down on it, it will loosen up the tension on the belt allowing you to pull it free. Just start off by pulling off the alternator. Then, carefully let the ratchet up and pull it out. Then remove your belt the rest of the way and pull it over that fan.

Now, using a 13 mm socket and ratchet, you just want to remove this bolt that secures the tensioner, and we'll fast-forward as Don removes that. Now, the tensioner will just pull right off.

On the left is the old serpentine belt tensioner; on the right is the new one from 1A Auto. You can see they're identical, and they're going to mount exactly the same. Now, you want to line up this tab into the slot right here, push your tensioner back into place, and replace that 13mm bolt.

Now, to put the serpentine belt back on, you're going to want to use this belt routing diagram, and if you don't have A/C you follow the dash line. If you do, then you're going to follow the solid line. You just want to follow this and put your belts on in this order. It's kind of hard to show Don doing it, so we're just going to fast-forward as he fits it over each of the pulleys.

All that's left is your alternator. Put that 3/8 inch ratchet back into your tensioner. Push down and put the belt up onto the alternator, and then carefully release the ratchet and pull it out. Now, fit that shroud back down into place and make sure all of your holes are lining up. We'll just fast-forward as Don replaces that series of 10mm bolts. Now, just push that harness back into that clip and push it down into place.

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.