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How To Replace Engine Serpentine Belt 4.6L/5.4L V8 04-08 Ford F150

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  1. step : Removing the Air Intake (0:34)
    • Loosen the two hose clamps with a flat blade screwdriver
    • Disconnect the vacuum hose
    • Remove the air intake hose
  2. step : Removing the Serpentine Belt (0:56)
    • Insert the 1/2 inch drive ratchet 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 by pulling off the A/C pulley first
  3. step : Reinstalling the Serpentine Belt (1:49)
    • Familiarize yourself with the route of the serpentine belt
    • Loop the belt around the idler pulley between the tensioner
    • Bring it around the A/C Pulley
    • Bring it down and around the crank pulley
    • Bring it up and around the water pump
    • Bring it around the idler pulley
    • Bring it around the power steering pulley
    • Bring it around the belt tensioner
    • Pull the tensioner clockwise with the 1/2 inch ratchet
    • Pull the belt over the alternator
    • Release the tensioner
    • Bring it around the idler pulley
  4. step : Reinstalling the Air Intake (4:18)
    • Insert the air intake hose into place
    • Connect the vacuum hose
    • Tighten the two hose clamps

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

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 2005 Ford F150 with the 4.6-liter V8 engine. The items you'll need for this is a new serpentine belt from 1AAuto.com, 1/2 inch ratchet, a piece of pipe for some extra leverage, and a flat blade screwdriver.

Using your screwdriver, just loosen up the hose clamp here and right here. Then push the tab on this hose, pull it free, and then pull your air intake hose free. Now your serpentine belt tensioner is located right down here, and, using a 1/2 inch ratchet or breaker bar, you just want to insert it into that square hole on the tensioner. Then using a piece of pipe for some extra leverage, just pull the tensioner back and it will loosen up the belt. You can lift the belt up and off the alternator. Then just carefully let the ratchet back down and then pull it free. Now you can pull your belt up and out.

Reach way down and pull the belt off the A/C compressor pulley first which is way down to the left as you're looking at the front of the engine. Then once it's off of that, go down and pull it off of the crank pulley which is right in the center of the engine. Now when you go to put your belt back on, you want to follow this diagram right here. You can just refer back to this as you're doing this procedure. Mike's also going to explain how to do it.

First step for putting the belt on, make a sharp bend in your new belt, and you want to feed that between your tensioner pulley and the idler pulley and go down that way. I need to help it along a little bit here. As that loop goes down, reach down, and this is your A/C compressor down here. Put the loop down and around your A/C compressor. Now I'm going to take a loop and loop it down, it's going over the tensioner pulley, but I'm going down and around the crank pulley. Then, hopefully, you can see, from the crank pulley, let me make sure it gets onto the crank pulley, and then a little tight up and around the water pump pulley here. Then there's an idler pulley and your power steering pump pulley. I'll leave it off of the alternator for right now.

I'll put it around the power steering pump pulley over here, around this idler pulley. All right, so take my pipe, go as far as I can on the tensioner, and I should be able to lift it up, so I'm going to try and take it off of this idler pulley, get it up on the alternator, pull my tensioner, and then push the belt down. You can see the idler pulley is the last one, push it right down under. Replace your air intake hose. Reconnect this hose and then tighten up those two hose clamps.

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.

Tools needed for replacement:

    Ratchets & Related

  • 1/2 Inch Ratchet
  • A Piece of Pipe (for leverage)

  • Screwdrivers & Related

  • Flat Blade Screwdriver

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