How to Replace Serpentine Belt 2003-11 Ford F250 Super Duty Truck

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Hi, I'm Mike Green. I'm one of the owners of 1A Auto. I want to help you save time and money repairing or maintaining your vehicle. I'm going to use my 20-plus years experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1AAuto.com. The right parts installed correctly: that's going to save you time and money. Thank you and enjoy the video.

In this video I'm going to show you have to remove and put back on a new serpentine belt on this 2003 F-250 Super Duty. This truck has the 5.4 liter. The procedure is basically the same for the 5.4 as well as the 6.8 liter. The only tool you'll need is a ½ inch ratchet and you will also want a piece of pipe or a breaker bar for some extra leverage and a stool. In the video you will hear something squeaking every once in a while, that's my stool slipping so just be careful as you're leaning over the engine bay.

Very important, find your belt routing diagram. On this truck, it's on the driver's side, right near the radiator. It looks like this. This is a very important piece of information. This helps you get the belt routed correctly. It can be somewhat confusing if you don't have a diagram. If this has been painted over or missing, I would actually draw a diagram just by hand just so you have it. It helps. Here is your tensioner right here. Take a 1/2 in ratchet and insert it there. Now force your ratchet clockwise to loosen the belt and take it off the alternator. Push down on the ratchet, grab the belt and we slowly let your tension back. Take the belt off. It does down around your compressor here.

Take your new belt from 1AAuto and you want to make a nice tight loop and you're going to stuff it down in between where your tensioner and idler are. You are going to reach underneath, grab that loop and pull it through. I know you can't really see this, but I'm just pulling it through and putting it around my A/C compressor pulley. Keep a loop down and around the crank shaft. Go back here around the crank shaft. I come up and move the alternator forward right now and put it down and around your power steering pulley way over here. What you do is put a little loop between your idler pulley and tensioner. Get that down around the A/C. Then put your loop around the crank shaft, then pull the loop up and then around the power steering pulley and then you're on everything except the alternator.

Closer up, you can see the belt is way down around the A/C compressor, around the tensioner there and around the water pump and then down around the power steering pump over here. I can pull it up some. You can see I've gotten my ratchet in there. Take a piece of pipe to give me extra leverage to make this job really easy. Before I pull on that, I'm going to pull my belt up. You want to just make sure to feel down around the A/C pulley and the crank pulley and the power steering pulley. Everything feels like it's on there correctly. Bring my ratchet up. Use the pipe, take the tension off, put the belt on and then slowly . I don't like the way it's looking on my tensioner here so I'll pull it up a little bit. Slowly release that. Take the pipe off and take the ratchet off.

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