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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

"axial run-out" fan clutch

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Old Jan 23, 2020 | 01:54 PM
  #1  
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"axial run-out" fan clutch

Has anyone checked the axial run-out (sorry, I don't know the exact word in English) of the fan blade / fan clutch?
I don't like these results for new parts. The bearings of the water pump are unnecessarily stressed.
I have made an aid so that I can see how the "lamb's tail" wobbles



















tried to film it:



https://www.youtube.com/watch?v=8fgI...ature=youtu.be
 
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Old Jan 23, 2020 | 03:48 PM
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That does have a bit of wiggle to it.
Something else that would be telling would be to run it on the truck with a strobe scope.
 
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Old Jan 24, 2020 | 10:55 AM
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Interesting vid @Hartwig
The bearing in the clutch possible not seated squarely?
I think there is only a single bearing inside
Rotating the clutch one half turn may give different results
 
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Old Jan 25, 2020 | 02:08 PM
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I'm gonna take apart an old fan clutch and report.
 
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Old Jan 25, 2020 | 03:07 PM
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It very well be in "tolerance".
 
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Old Jan 25, 2020 | 04:19 PM
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With it mounted in your vice, grab the clutch and rock it side to side -- you will see movement
what concerns me more is the electrical connector wobbling

I have cut a couple apart, manual and electric, if you have never done it, they are interesting how they work
and how simple
 
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