2002 7.3 L - Ford Powerstroke Diesel Forum
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Old 04-09-2010, 08:57 AM
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2002 7.3 L

Hey, I have a problem with my serp belt. After about 3-5000 miles of putting a new belt on the new belt will actually start squeaking again. I have changed the idler pulley, tensioner, and alt pulleys. I'm lost now what the heck is eating these belts. This is about the third belt now causing the same problem and no one knows y well I'm turing to you fellas to help me out.

Chris
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Old 04-09-2010, 09:17 AM
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Sounds like it may be out of line.
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Old 04-09-2010, 09:24 AM
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Yep, probably out of line. How many miles are on your truck? I had the same problem you are having and it turned out to be a bad water pump. The bearing in the pump was so worn when the belt tension was on it would make the pulley crooked and make the belt squeek. A new belt and some belt dressing helped, but the squeak came back every time until I replace the pump.
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Old 04-09-2010, 09:25 AM
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How do I figure this out? Where would it be out of line? Its the same time frame too every oil change it will start doing it. And I'm not getting oil on the belt either. The other thing is I have had this engine pulled a couple of times due to oil leaks if that helps out any.
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Old 04-09-2010, 09:29 AM
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Hoy, I think you might have something here. Funny thing is my pump is actually leaking a little out of the outlet neck bolt on the bottom of the pump. Wow I bet your right my pump is going bad and causing these belts to wear out wicked fast. Should I change the water pump pulley too or no? I have the pump and t stat all I need is the pulley holder to use that huge wrench that I just bought lol.
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Old 04-09-2010, 10:09 AM
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The pulley should be fine. But " when in doubt change it out" as they say.
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Old 04-09-2010, 08:30 PM
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I need two tools right? The big wrench and the pulley holder or would a strap wrench suffice? And the truck has 102,000 miles on it.

Chris

Last edited by hondaracer315; 04-10-2010 at 05:05 AM.
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Old 04-13-2010, 08:19 AM
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Yeah, you'll need those two tools to get the fan clutch off the water pump. If you have a mechanic buddy and access to air, see if he has an air hammer and fan clutch removal tool for it. It will make the job ALOT easier. It's amazing how tight those clutches are on the water pump.
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Old 04-14-2010, 04:44 AM
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Hoytster, which way does that nut turn? If I'm leaning over the truck so I mean I'm looking at the truck looking at the engine from the front of the truck which way does it turn? If I screw this up I'm royally screwed. So if I'm leaning over on the front grille looking down at the nut which way will I be turning that nut?

Chris
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Old 04-14-2010, 11:08 AM
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It's opposite the rotation of the fan. If you need to, crank the truck and see which way the fan turns and turn the nut opposite of that. I would tell you the rotation but I'm having a brain fart right now and can't remember!
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