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How to Remove Serpentine Belt 07-13 Chevy Silverado

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  1. step : Removing the Serpentine Belt (0:34)
    • Familiarize yourself with the route of the serpentine belt
    • Insert a serpentine belt tool into the tensioner
    • Turn the tensioner clockwise to loosen the belt
    • Pull the belt off the alternator
    • Release the tensioner
    • Pull the belt off by hand
  2. step : Reinstalling the Serpentine Belt (2:10)
    • Loop the belt around the pump and alternator
    • Bring it around the power steering pulley
    • Bring it around the A/C Pulley
    • Bring it around the belt tensioner
    • Insert a serpentine belt tool into the tensioner
    • Turn the tensioner clockwise
    • Bring it around the idler pulley

Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years!

What's up, guys? I'm Andy from 1A Auto. Today I'm gonna show you how to remove and reinstall the serpentine belt on this 2008 Chevy Silverado with a 4.3L V-6 engine. If you need parts for your vehicle, click the link in the description and head over to

One thing you want to keep in mind, when you're doing a serpentine belt is which routing the belt is. Before you take it off, it's a good idea to take a picture with your phone. If you don't have any reference of the belt, sometimes there's a key on the vehicle itself. This vehicle does not have it.

We will take this serpentine belt tool, we actually sell this at Slide the tool into the tensioner, right here. And then there's a hose over here that's kind of in your way a little, so pull up on the tensioner. Just going to hold this. Make sure you don't have anything in the path of this. You don't want to slip and let go of this and have it hit you in the face or anything.

So, we'll pull up on this. We're going to pull the belt off of this idler, right here. We will pull it off the alternator. Pull it off the tensioner. Pull it off the crank, the water pump, the power steering pulley, and then off the AC compressor. Then I'll slide this belt over the tool and pull it out. There's the belt.

A good thing to practice when you're doing this is to take the new belt and line it up with the old belt, and make sure they're the same length. We don't have a new belt, so we're just going to reuse the old one.

All right, we're going to remove this tool before we put the belt on. It'll just make it easier to maneuver the belt around to position. So, first we're gonna install the belt on the crank pulley. Slide it over the water pump, and over on the power steering pulley, up around the AC compressor, and over the water pump. We're going to skip the idler, for now, 'cause we'll put that on last. Over to the tensioner.

So now that those are all lined up, I can take the belt tool, slide this in position, and put some tension on the belt. Slide this up, and slide it under the idler pulley. Remove the tool. Then check all the pulleys, and make sure the belt is in position and hasn't jumped off any of the teeth. And that looks pretty good.

Then we can just start it real quick and then shut it off, and just make sure everything is still in position.

Thanks for watching. Visit us at for quality auto parts, fast and free shipping, and the best customer service in the industry.

Tools needed for replacement:

    Specialty Tools

  • Serpentine Belt Removal Tool

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