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Screech on shut down

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Old Jan 24, 2021 | 12:38 PM
  #1  
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Screech on shut down

Hi all. Never thought about this too much until now. Trying to nip things in the butt before it's too late. Truck starts and stops okay but been noticing a very loud screech sound immediately as the engine stops, kind of like a fan belt sound. I can't imagine the serpentine belt making this kind of sound. Don't know if I should be too worried. I think it's something I've just gotten use too. This happen to any of you? Any thoughts? Thanks.
 
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Old Jan 24, 2021 | 02:46 PM
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Could it possibly be the ceramic bearings in the turbo going bad? Maybe open the hood and have someone shut off the engine as you try to isolate the location of the screech?
 
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Old Jan 24, 2021 | 03:28 PM
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Yes, going to check it out Monday.
 
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Old Jan 25, 2021 | 09:43 AM
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yes...could be turbo bearings

also..from my 6,4 days...some of us where having shut down screeches which turned out to be the turbo vanes/actuator
 
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Old Jan 26, 2021 | 09:42 PM
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Mine has done the same thing for as long as I can remember. Always thought it was the belt, but will try to isolate the noise tomorrow.
 
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