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Old 06-10-2011, 08:25 PM
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Main Serpentine Belt Broke....Easy to Replace?

Hey guys I have a question for yall. On my way home tonight my power steering and brakes went out on me. After getting back to the house I was checking things out and noticed the main belt that runs the alternator, fan, and must run the power steering pump is shredded.

How hard of a job is it to replace this? With all of the oilfield activity around here the next opening to get into the dealership is about 3 weeks out. I cannot afford for my truck to be down that long. Is this something that I can do myself fairly easily?

Thanks in advance everyone!
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Old 06-10-2011, 08:37 PM
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Primary belt tensioner failures on 6.4L trucks are extremely common. Make sure you ask for part number BT-101 at the Ford parts counter to get the correct one, along with your replacement belt. The belt tensioner itself is only one 15mm bolt away from removal with a stubby Gearwrench (after you've cracked the bolt loose with an appropriately sized breaker bar of course). The hardest part of the job is finessing the belt around the fan clutch to get it re-routed properly.
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Old 06-10-2011, 08:46 PM
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So I will need a primary belt tensioner, which is the part # BT-101, and then the replacement belt? Is there a part # on the replacement belt? Thanks for the help!
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Old 06-10-2011, 08:51 PM
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Yes, the primary belt tensioner is what failed, causing your belt to shread to pieces. Yes, the belt tensioner part number from Ford is BT-101. I don't know the belt part number off the top of my head, but it will be a part number that begins with JK8, indicating an eight groove belt, not that it is going to help you much. By the way, the replacement tensioner comes with a rod inserted to keep the tension released. Do not remove the rod until you have the tensioner installed and the belt routed properly. Once everything is installed, you get yourself a set of beefy pliers up there to yank the rod out for the tensioner to apply tension to the belt.
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Old 06-10-2011, 08:55 PM
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I really appreciate all the help! Don't be suprised if ya get a pm from me if I need some guidance in the middle of this but hopefully I can get it done without any troubles! Thanks again!
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Old 06-13-2011, 02:30 PM
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The hardest part of this job will be getting the upper shroud out of the way without breaking it. it looks like it will flex more than it actually does. I get them out by loosening the PS reservior, moving it out of the way and loosening the cold side cac tube at both ends. It takes a lot of patience and a little bit of bending Its actually harder to get it back in than pulling it out. The tensioner itself is very easy


oh yeah, and if you shredded your belt look around all the pulleys for extra pieces, make sure to feel around behind your crank pulley with a pick and dig out any belt that may have gotten wrapped around
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Old 06-13-2011, 08:18 PM
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Thanks sinner, I got it all replaced. Now my only problem is that I have a power steering fluid spraying everywhere.....but what can ya do, I guess some weeks are just better than others.
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Old 06-14-2011, 01:48 PM
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find the ps leak? I've seen a few rubbed through hoses, one was actually routed wrong from the factory, the pressure hose coming off of the pump was overtop of the steering shaft
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Old 06-14-2011, 03:45 PM
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May have but I'm not positive. It looks like it is coming from the hardline out of the bottom of the pump. If the bearings go bad in the pump would fluid leak out from there? It looks like the most of it is coming right out of the pulley for the pump.
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Old 06-14-2011, 08:18 PM
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Quote:
Originally Posted by oiltrash View Post
May have but I'm not positive. It looks like it is coming from the hardline out of the bottom of the pump. If the bearings go bad in the pump would fluid leak out from there? It looks like the most of it is coming right out of the pulley for the pump.
I have replaced one power steering pump on an '08 truck before, for the very leak you describe. You could have had this as a pre-existing leak before the belt and tensioner failure.
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