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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

squealing belt

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Old Aug 8, 2009 | 06:17 AM
  #1  
celjel's Avatar
celjel
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From: Ripley NY
squealing belt

08 job 3 f-350 lariat cc, lwb, 14000 miles.Has anyone else had a problem with the fan belt squealing on start up after the truck has been sitting in the sun for a few hours. Its also only if the A/C has been on and is still on. It doesn't do it when its cool out but when its hot like it has been here in AZ it squeals something awful when first started.
I will have it checked out when I take it in for the 15k service but thought I would see if this is a common problem on the newer models.
 
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Old Aug 8, 2009 | 09:03 PM
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Mine did it last week twice in the same day but that was the first and last time mine has done it. Maybe it is an Az thing? Let us know what they tell you.
 
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Old Aug 8, 2009 | 09:07 PM
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Leonandlisa
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I just had my truck in for service on the intercooler and my service advisor told me there is a service bulletin on the chirping belt, they replaced one of the pullies on my truck.

Leon
 
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Old Aug 9, 2009 | 08:02 AM
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Thanks for the info, I'll let everyone know what they tell me after I take it in for service.
 
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Old Aug 11, 2009 | 09:57 AM
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Mine did the same thing....Took it to Ford dealer and they replaced the "idle pulley"....No more sqeaks...The dealer knew of my problem and knows that there is a problem so they should be able to get it fixed quickly.
 
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Old Aug 11, 2009 | 09:15 PM
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Mine does it too. Drives me crazy!
 
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Old Aug 17, 2009 | 08:23 PM
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squeeek

They replaced the idle pulley on mine and it was as good as new.
 
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Old Aug 24, 2009 | 03:17 PM
  #8  
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celjel
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I just got the truck back from service and they replaced the belt on it. The TSB # is
09-9-8. I guess I'll have to wait and see if it starts doing it again.
 
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Old Aug 24, 2009 | 03:58 PM
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no chirping here..but i did notice that the serpintine belt is starting to groove on the flat side, going to get them to look at and hopefully have changed out.

koboss
 
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Old Sep 6, 2009 | 08:14 AM
  #10  
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Well 2 weeks later and the damn belt is squealing again after it sits in the sun. I guess they will have to look further on it when it goes in for the 20k oil change.
 
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Old Sep 6, 2009 | 12:23 PM
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They had mine in twice, belt first time and belt and pulley second time.
 
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Old Sep 6, 2009 | 01:36 PM
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it is the idler pully that needs replaced. They always try the cheapest fix first it would seems.
 
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