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Quick Turbo Cleaning Question

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Old Oct 24, 2010 | 10:13 PM
  #16  
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smokersteve
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From: CA Sacramento
What would cause them to actuate father than they should?
 
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Old Oct 24, 2010 | 10:19 PM
  #17  
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Originally Posted by cheezit
pretty much what happened.
Damn! Is it a bad sensor that throws the veins into the fins or some kind of debris?

Here's a before cleaning pic of mine with the veins in enough to be touching the fins. (ignore the Butterfinger wrappers they're not mine ha)
 
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Old Oct 24, 2010 | 11:04 PM
  #18  
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From: Circle City
from the pic the unison ring looks busted/cracked right where they usually fail.
 
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Old Oct 24, 2010 | 11:52 PM
  #19  
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Originally Posted by Benchwrench
from the pic the unison ring looks busted/cracked right where they usually fail.
Here's an after pic, I don't think it even needed cleaning but I had it out of the truck anyways so... There are no cracks, pitting, or any galling. All in all it looks really good. I gave it a coating of anti-seize and then wiped off all I could get off. Where do they usually crack, I've never seen a cracked/bad one.
 
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Old Oct 25, 2010 | 09:01 AM
  #20  
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From: Circle City
when looking at your unison ring picture (at the 9 o'clock position) where there is no vane, cracks are near the inside edge at the narrowest point. From the picture it looks like there is a crack. in the latest picture above the flash is too bright to see the same area (6:30 position).
 
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Old Oct 25, 2010 | 12:41 PM
  #21  
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Originally Posted by Benchwrench
when looking at your unison ring picture (at the 9 o'clock position) where there is no vane, cracks are near the inside edge at the narrowest point. From the picture it looks like there is a crack. in the latest picture above the flash is too bright to see the same area (6:30 position).
Oh, interesting, must be some serious stress and/or heat cycles going on inside a turbo
thanks Bench.
 
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Old Oct 25, 2010 | 06:53 PM
  #22  
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Originally Posted by High Binder
Damn! Is it a bad sensor that throws the veins into the fins or some kind of debris?


its caused by unison ring and vain wear
 
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