turbo grinding noise - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 05-04-2009, 05:08 PM Thread Starter
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turbo grinding noise

so the other day i was running a 1/4 mile (ran a 14.5 BTW) when i let up at the end i heard this slight grinding and kinda whistling noise, didnt think much of it. the next day it starts to get much worse and can heard it all the time even up to speed on the high way when im only boasting a few lbs. I seem to still have good boast PSI but the spool up seems a little slower. took the intake off and wheel looks good not too much play, the down pipe side looks good too. wondering if it could be a stuck vein of what the deal is if any body have this before, and also when you spin the intake wheel by hand how long should it coast for? thanks to anybody thats got an idea.

~2004 F-350
~5 In turbo back exhuast
~BTS trany
~SCT livewire with custom tunes
~ ARP head studs
~AFE intake coming soon
zsnider777 is offline  
post #2 of 4 Old 05-16-2009, 10:18 AM Thread Starter
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Thanks for all the help guys.... it was greatly appreciated

~2004 F-350
~5 In turbo back exhuast
~BTS trany
~SCT livewire with custom tunes
~ ARP head studs
~AFE intake coming soon
zsnider777 is offline  
post #3 of 4 Old 05-21-2009, 08:03 PM
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I have an 03 thats does the same thing and everybody told me it was normal and it was air tryiing to get back out of the turbo when you let off.
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post #4 of 4 Old 06-17-2009, 05:23 PM Thread Starter
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get a second opion...... my turned out to me be shot bearings had to have it rebuilt.

~2004 F-350
~5 In turbo back exhuast
~BTS trany
~SCT livewire with custom tunes
~ ARP head studs
~AFE intake coming soon
zsnider777 is offline  
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