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Item Condition:New
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How to Replace Serpentine Belt Tensioner 1999-2008 Chevy Silverado 1500
Created on:
Tools used
Flat Blade Screwdriver
15mm Socket
10mm Socket
Ratchet
3/8 Inch Drive Ratchet
1. Removing the Air Intake Hose
Loosen the two air intake hose clamps with a flat blade screwdriver
Pull the hose back
Pull the intake hose up and out
2. Removing the Radiator Fan Shroud
Remove the two 10mm bolts from the radiator fan shroud
Pry the radiator hose clip off the fan shroud with a flat blade screwdriver
Remove the four plastic clips from the fan shroud
Pull the shroud up and out
3. Removing the Serpentine Belt
Attach a 15mm socket and ratchet to the serpentine belt tensioner
Turn the tensioner clockwise to loosen the belt
Pull the belt off the tensioner
Pull the belt off the other pulleys
4. Removing the A/C Belt Tensioner
Remove the five 15mm bolts from the skid plate
Pull off the skid plate
Attach a 3/8 inch ratchet to the A/C belt tensioner
Pull down on the ratchet to loosen the A/C belt
Pull off the A/C belt
Remove the two 15mm bolts from the A/C belt tensioner
Pull off the A/C belt tensioner
5. Installing the New A/C Belt Tensioner
Put the new A/C belt tensioner into place
Insert the two 15mm bolts into the A/C belt tensioner
Feed the A/C belt into place
Attach the 3/8 inch ratchet to the A/C belt tensioner
Pull the ratchet down to loosen the belt
Release the tensioner
Pull off the ratchet
Lift the skid plate into place
Insert the five 15mm bolts into the skid plate
6. Reinstalling the Serpentine Belt
Familiarize yourself with the belt-routing diagram
Feed the belt around the pulleys, as displayed in the diagram
Attach a 15mm socket and ratchet to the serpentine belt tensioner
Turn the tensioner clockwise to loosen the belt
Check that the belt is routed correctly
Pull the belt over the tensioner pulley
Release the tensioner
Remove the ratchet
7. Reinstalling the Fan Shroud
Push the fan shroud into place
Insert the four plastic clips into the fan shroud
Clip the radiator hose to the fan shroud
Insert the two 10mm bolts into the fan shroud
8. Reinstalling the Air Intake Hose
Put the air intake hose into place
Tighten the two intake hose clamps with a flat blade screwdriver
Clip the smaller hose to the intake hose
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 A/C serpentine belt tensioner on this 2002 Chevy Suburban with a 5.3 liter V8 engine. It's the same part and similar process on these Suburbans from 2000 to 2008. The items you'll need for this are a new A/C belt tensioner from 1AAuto.com, 10mm and 15mm socket and ratchet, flat blade screw driver, and a 3/8 inch ratchet.
Start off by loosening these two hose clamps using your flat blade screw driver. We'll just fast forward as Don does this. Now just pry this clip out and then pull the hose back. You may need a flat blade screwdriver to help you pry it free and then pull forward and lift it up and out.
Next, remove these two 10mm bolts and we'll fast forward as Don does that. Then pry the clip on this hose out of the fan shroud, and 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. Then just pull that hose back and lift the shroud straight up and out.
Right here is your tensioner. Just put the 15mm socket and ratchet on it and push down on the ratchet. This will release the tension on the belt, and you can pull the belt from the pulleys. You want to just reach down, pull it off all the pulleys, and the belt will be free. You can just pull it up and out.
Underneath the front bumper, you'll see this plate and you need to remove these five 15mm bolts. We'll fast forward as Don removes those. Behind the plate, is your A/C belt tensioner and you just use a 3/8 inch ratchet. Just pull down on the tensioner and then pull your A/C belt free. It pulls right off. Right here is your A/C belt tensioner. Sorry for the shaky camera, but you can see it's held in with two 15mm bolts and we'll just fast forward as Don removes those. Then the A/C tensioner will just pull right off.
On the left is the old A/C belt tensioner. On the right is the new one from 1A Auto. You can see they're identical and they'll fit exactly the same. Put your new A/C belt tensioner into place and replace those two 15mm bolts. We'll just fast forward as Don tightens those up. Feed your new A/C belt back up into place and for now, you're really just preliminarily getting it into place, and then, use your ratchet on the tensioner. Now make sure the belt is on all the pulleys and that it's on all the way. Once the belt is in the right position on each of the pulleys, carefully release the tension on the tensioner and pull your ratchet free. Put the skid plate back up into place and replace those five 15mm bolts and tighten them up.
Now, located at the front of your truck, you'll see this serpentine belt diagram. You want to follow this when you're putting your belt back on and really it's hard to show us doing it, so you're going to have to refer to that, but it's pretty simple to follow. Everything is where it needs to be and you can see he starts with the lower pulleys. He just starts feeding the belt down and around each of them following that diagram. We'll fast forward as he does the majority of this. Once you've got it on all but one pulley, push back down on the tensioner and double check. Make sure your belt is on all the pulleys properly and that it's not just half on some of them. Then just get it into position. 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 10mm bolts. Now take this air intake hose and push it back down into place on the air intake box and then onto 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.
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Perfect Fit
Samuel
January 13, 2019
I bought this kit immediately after I purchased a used Avalanche. The truck did not have any problems with as it was a one time owner predominantly highway driven vehicle.
I intended to change just the belt alone, unaware that they were sold in a kit with the pulley. Once I removed the old belt I noticed that the pulley showed some serious wear.
Thanks to 1A auto selling both as a kit for a really affordable price.
Charles
August 7, 2021
1234
Preventative maintenance of an overlooked component
Matthew
October 8, 2021
This kit was perfect. Did not need the belt removal tool on a 2001 tahoe with 5.3l engine.
Everything fit just fine and replaced the squeaky worn out parts like new.
Very easy job that took longer to get the truck up on stands than even replace the parts.
Definitely worth the peace of mind not having the airconditioner belt or tensioner grenade after 20 years and possibly take out the main serpentine belt.
No problems!
Matthew
December 5, 2022
No more knocking at start speed! tensioner is hard to get at with a ratchet
Works!
Edward
October 26, 2023
So far so good.
Customer Q&A
Do you have bolts for sale to mount this a/c belt tensioner? Thank you. take care.September 26, 2021
David V
10
Currently, we do not carry this part for your vehicle. We're always updating our inventory so please check back soon!
September 27, 2021
Cristina P
Customer service
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