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turbo bark?

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Old Feb 16, 2012 | 11:56 PM
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turbo bark?
Why does my turbo bark or shutter? What will cause it? It does it on the shifts and when i let off the throttle when I'm on it.
 
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Old Feb 17, 2012 | 12:22 AM
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It is from all the boost that suddenly has no place to go when you let off the throttle. It's normal and nothing to worry about.
 
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Old Feb 17, 2012 | 01:08 AM
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but even with a 38R?
 
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Old Feb 17, 2012 | 01:55 AM
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Its called turbo stall. It happens when the pressures on either side of the turbo suddenly change when boost demand drops such as a shift or letting off the throttle.

Turbo Stall - F250 7.3 Powerstroke - YouTube
 
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Old Feb 17, 2012 | 07:50 AM
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Mine does it with 38r and the larger 1.15 A/R exhaust housing also. It is less pronounced during normal driving and hardly noticable. Or, I've just become accustomed to it.
 
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Old Feb 17, 2012 | 08:06 AM
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I never noticed this with my TN BB turbo.
 
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Old Feb 17, 2012 | 08:11 AM
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Originally Posted by miller_feed
I never noticed this with my TN BB turbo.
That's because you're special, Rick! Odd man out with your TN turbo.
 
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Old Feb 17, 2012 | 08:21 AM
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Originally Posted by mueckster
That's because you're special, Rick! Odd man out with your TN turbo.
Do you mean? Old man with your BAD AZZ TN turbo.
 
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Old Feb 17, 2012 | 08:56 AM
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Originally Posted by miller_feed
Do you mean? Old man with your BAD AZZ TN turbo.
That'll work, too!
 
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Old Feb 17, 2012 | 09:08 AM
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Saying its nothing to worry about is a bit of a stretch.

It can snap the shaft, but its very rare.

There is not much you can do about it however.
 
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Old Feb 17, 2012 | 11:07 AM
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That doesn't sound good on the turbo!
 
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Old Feb 17, 2012 | 12:11 PM
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Originally Posted by CSIPSD
Saying its nothing to worry about is a bit of a stretch.

It can snap the shaft, but its very rare.

There is not much you can do about it however.
Therefore, it is nothing to worry about.
 
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Old Feb 17, 2012 | 01:37 PM
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Yep it doesent sound good at all,it's like the boost is spinning the blades backwards. Is it hard on the blades and could it bend it or how about the bearings?
 
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Old Feb 17, 2012 | 02:46 PM
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Originally Posted by kawcrasher
Therefore, it is nothing to worry about.
.........................
 
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Old Feb 18, 2012 | 02:50 AM
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Chris was it doing it before ? If not,you should check your turbo!
 
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