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

Squeaky belt when cold

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Old Nov 27, 2007 | 05:16 PM
  #1  
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08350
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Squeaky belt when cold

It has started to get cold here in Boston and I've noticed that when I start my truck, the belt will squeal very loud. I took it in for service today and there was a bulletin about this. They are replacing the belt and pulley tomorrow. There was also a bulletin regarding the lights on trucks with the snowplow package, so they had to do a reflash of some sort to the light control module. I'm not sure on the details, but I will update when I pick it up tomorrow.
 
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Old Nov 28, 2007 | 02:34 PM
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My 6.0 did the same thing. New idler pulley, waterpump pulley, and belt solved the problem.
 
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Old Nov 28, 2007 | 05:48 PM
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From: at Work
condensation (water) will do the same thing sometimes too.
 
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Old Nov 28, 2007 | 08:11 PM
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Do you know what the number on the bulletin is?? I had mine to the dealer several months ago and they said they were investigating the problem and they would get back with me, but they never have.......
 
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Old Dec 6, 2007 | 01:22 PM
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In the Shop Now for Cold Start Squeak

I just got off the phone regading my truck being in the shop for this same problem. I don't have a bulletin number, but the service folks said they have an updated bulletin that says the Idler Pully is what has been identified as causing the problem. I had it there before for the same problem and they replaced the Outer Tensioner Pulley but that didn't help anything in case they try the same thing for ya'll.

Josh
 
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Old Dec 6, 2007 | 04:41 PM
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Cold weather belt chirp - 6.4 diesel
The TSB is 07-23-9 dated November 9, 2007
7C3Z-8678-B is idler pulley kit part number
 
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Old Dec 6, 2007 | 06:45 PM
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This is a link to the snowplow TSB on lighting at the fleet website.

http://www.fleet.ford.com/truckbbas/non-html/Q155R1.pdf

The Ford TSB is 07-9-1 dated April 19, 2007
it is for vehicles built before 4/18/07
 
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