Fan noise after turning engine off..........? - Ford Powerstroke Diesel Forum
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Old 12-10-2012, 05:01 PM
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Fan noise after turning engine off..........?

I have a 2010 SWCC that has been deleted, Spartan tuned and S&B CAI.....for the past few weeks, every time I shut the engine down, I hear something winding down to a slow stop...not sure if it's the fan, the turbo or what? Any ideas what I'm hearing and if it's a problem?

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Old 12-10-2012, 05:30 PM
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The turbo. It takes a while to slow down after going a few thousand rpm
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Old 12-10-2012, 05:33 PM
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agreed sometimes the turbo's spool down and huff a little
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Old 12-10-2012, 08:49 PM
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Does your truck have plow prep ? Might just be the fan slowing down, mine does it in the winters.
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Old 12-11-2012, 09:42 AM
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no plow prep....perhaps it is the turbos. I wonder why I never heard it before?
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Old 12-26-2012, 05:02 AM
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seems like the winding down noise is getting worse. Anyone else know whats going on and should I be worried if this is the turbo spooling down? How can I tell if it is jus the turbo?

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Old 12-30-2012, 01:59 PM
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Mines does it too, it is your turbos spooling down. You probably didnt start to hear it until you did all the MODs to your truck. Open things up a bit and you can hear them more. The noise is much louder when i park in the garage.
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