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Old 11-27-2011, 09:38 PM
doublesrtroker
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6.4 belt change

if i put soap on it the squeak stops so i figured it was idler pulley so i changed that without taking the belt off. it did not stop so i guess i need a new belt as the tensioner pulley appeared to be ok . how hard is it to diy??? and if it is a shop job what should i expect to pay ?? only 50k on the truck one would think the belt would last longer but time to open wallet from what i hear 4.5 hr and 89 for the belt this sound correct ???? any recommendation on belt brand ???
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Old 11-27-2011, 10:15 PM
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Re: 6.4 belt change

If it is a pulley, Ford just replaced my tensioner and idler pulley under the 100k powerstroke warranty
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Old 11-28-2011, 12:29 AM
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Re: 6.4 belt change

It's about a 30min job to change the main belt. To change ac belt, a few hours.
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Old 11-28-2011, 12:54 AM
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Re: 6.4 belt change

50K is about right before the belt ribs have worn enough on a misaligned drive. If the squeak or chirp stops after running some soap on the belt ribs, you've isolated that misalignment is your issue. Its in the belt path and unless the misalignment is obvious, they are not easy to troubleshoot and its often easier to just change the belt when it gets pissed. Tolerance stack affects all of the brackets, pulley/accessory location, etc.

Swap the belt and it should stop but will come back within 50K miles. Belts last far longer than that (we have heavy truck accy drives that last 250K), but unless the alignment issues can be found, it is what it is.

Our guys in our replacement group at Gates are always putting new stuff on the web so perhaps there's something there.
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