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Old 02-15-2010, 02:09 PM
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Turbo Noise ?

Hey all,
I posted a few weeks ago regarding the CCV hose/O-ring that had come out.
At that time I first noticed a distinctive high-pitched squeal or whine, that sounds like it may be from the turbo, not the usual whistle, but more whiney.
I thought it may have been from that CCV hose leaking, but it's still there since the fix. Happens more under hard throttle from a standstill.

Changed oil and filters today, seemed to have helped at first, but after stomping on it today (bye bye Tundra ! ) I noticed it again...not all the time, only on hard launch. With or without water/meth injecting. I know sounds are hard to describe online but :
Has anyone ever experienced this ?
Could this be a bearing ? Can stock turbos be rebuilt ?
Is my wallet about to EXPLODE ?

Any info greatly appreciated. Thanks !
"Gorilla"
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Old 02-15-2010, 03:26 PM
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Maybe a cracked up-pipe? My truck had a cracked up-pipe a little while back and it would make an obnoxious turbo whistle at completely random times. Never had a loss of power or boost though.
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Old 02-15-2010, 03:31 PM
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Up-pipe was changed with EGR delete, looks ok as far as I can see.
Like I said, doesn't sound like an air "whistle", more like a high pitched bell ringing (?) Weird.
Other questions still apply...Can these be re-built if needed ? Bearings ?

Thx
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Old 02-15-2010, 03:35 PM
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i have a high pinch squeeling sort of ringing to, it so high pinch it almost rings in your head when the hoods open, but at idle, somewhat on and off, i believe i need to replace the down pipe becuase my cab smells like exhaust at idle as well so i think its cracked
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Old 04-04-2010, 05:32 AM
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i am having this same noise and it is annoying and is starting to make me wonder if its my turbo bearings. did anyone find the cause of this noise??
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Old 08-10-2010, 10:26 AM
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bump....its not normal turbo spool, but a lil extra whine that starts when you get into the pedal
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Old 08-10-2010, 10:33 AM
shhhhh, can you hear it?

 

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yes they can be rebuilt.i think elite makes a kit or maybe ats,i know i know no one likes ats.if you check garrets site they may have a kit too as it is a garret turbo.
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Old 08-10-2010, 02:59 PM
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The 6.0 Garrett can be rebuilt if the blades have not hit or the oil seal housing is not damaged. The kit with seals, orings and bolts is less then $100. Check here if you wanna see pics. DIY Turbo Rebuild pictures by mil-specrestro - Photobucket
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Old 08-10-2010, 04:54 PM
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Mine just started making a loud screech above 10-15 psi of boost.
I looked today and it looks like my Y-pipe is cracked but this is a medal to medal sound.
If I pull the turbo can the Y-pipe also be changed from the top or do I have to pull the down pipe to do it?
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