Question regarding stuck vanes - Ford Powerstroke Diesel Forum
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Old 06-07-2011, 09:25 PM
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Question regarding stuck vanes

Someone I talked to today said that stuck vanes can cause a no-start condition. Is that possible? I would not have thought that stuck vanes could cause your engine not to start. Maybe this person didn't know what they were talking about, but I sure would like to be sure.

Thanks,
Time2Live
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Old 06-08-2011, 09:42 AM
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I'm pretty sure mine were frozen in place just based by the carbon/soot shadow i saw when i busted it apart but mine started fine.

I'm still learning the intricacies of this motor but someone here will have the answer.
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Old 06-08-2011, 10:15 AM
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As far as at start I don't see the turbo vanes having any effect (benefitial or adverse alike) primarily due to the air pressure generated at startup / idle not being significant enough to cause any adverse affects. You'd most notice the issue at higher RPMs, WOT and acceleration due to higher RPMs = faster spooling turbo + turbo vane articulation = higher, or lower pressures given what position the vanes are stuck in.

In short, your turbo vanes not articulating should have no effect on starting your truck.
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Old 06-08-2011, 12:15 PM
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Quote:
Originally Posted by Acidsniper View Post
As far as at start I don't see the turbo vanes having any effect (benefitial or adverse alike) primarily due to the air pressure generated at startup / idle not being significant enough to cause any adverse affects. You'd most notice the issue at higher RPMs, WOT and acceleration due to higher RPMs = faster spooling turbo + turbo vane articulation = higher, or lower pressures given what position the vanes are stuck in.

In short, your turbo vanes not articulating should have no effect on starting your truck.
Yep seen lots of stuck vanes never have seen them cause a no start
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Old 06-08-2011, 08:03 PM
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Thanks for confirming what I had thought . Sometimes the obvious is not so obvious. I didn't think stuck vanes could cause a no-start, but I started wondering if this guy knew something that I didn't.

Thanks again,
Time2Live
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