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Cracks in turbo housing internals
http://www.gt4dc.co.uk/forum/viewtopic.php?f=13&t=7524
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Author:  NoGT4 [ Sat Dec 05, 2015 9:14 pm ]
Post subject:  Cracks in turbo housing internals

Just put my old turbo housing through the parts washer after stripping it down, and found cracks internally.

See pics

ImageImage

Is this common, or a cause of potential failure?




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Author:  TrackToyFour [ Sat Dec 05, 2015 10:41 pm ]
Post subject:  Re: Cracks in turbo housing internals

I've heard reports of the TTE inconel turbine housing failing in spectacular (and expensive) fashion. I guess if your turbo has seen high boost and/or experienced some sort of thermal shock then it could result in cracking?

As a matter of interest, what was your intention with this turbo by stripping it? They're not exactly the sort of component you can rebuild yourself!

Author:  NoGT4 [ Sun Dec 06, 2015 12:07 pm ]
Post subject:  Re: Cracks in turbo housing internals

Just planning to get it rebuilt so thought I'd strip it down and clean the casting.

There is about 8 cracks in total, and if a piece comes off all bets are off.

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Author:  TrackToyFour [ Sun Dec 06, 2015 4:10 pm ]
Post subject:  Re: Cracks in turbo housing internals

Sounds like it's only fit for the skip Phil. I think JP has a secret stash of turbos if you need a rebuild candidate :twisted:

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