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Forced Induction Turbos/Superchargers

crack on turbo??

   
Old 10-05-2013, 08:45 PM
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crack on turbo??
So, just got done removing my old k04 to install my ZFR, and this is what i find.

Name: Picture1005131739_1.jpg Views: 140 Size: 38.3 KB

what could have caused this? Is it just something that just happened, or could it be something with my car that I can do to avoid it so it doesn't happen on my ZFR.
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Old 10-05-2013, 08:52 PM
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Pretty sure its a common-ish thing on the KO4s just thermal stress
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Old 10-05-2013, 08:53 PM
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Common
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Old 10-05-2013, 09:04 PM
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okay cool. thanks guys for the quick response.
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Old 10-06-2013, 02:53 PM
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Normal as the others have said, there's a TSB on it: SB-09-06-93-002
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Old 10-13-2013, 12:13 AM
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does that crack cause a boost leak?
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Old 10-13-2013, 12:15 AM
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Originally Posted by AARON-SS-TC
does that crack cause a boost leak?
No, that's on the exhaust side
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Old 10-13-2013, 12:56 AM
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That diverter in the exhaust stream basically splits the air up to aid in spool times. As said above it's on the exhaust side so no boost leak.
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