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Go Back   TDIClub Forums > VW TDI Discussion Areas > TDI Power Enhancements

TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old June 9th, 2019, 15:42   #16
beckster
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So interestingly enough, we got the turbo out this afternoon and the impellers seem to be in ok condition and don't have any play. Considering the turbo has about 200k on it, it's probably not a bad idea to rebuild it at this point. Is there something else we could be missing that would cause oil to come out the tailpipe and go into the intercooler? Maybe just the seals blew out? Thoughts?
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Old June 9th, 2019, 16:02   #17
Yourbuddysatin
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Probably bad seal
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Old June 9th, 2019, 16:52   #18
IndigoBlueWagon
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No seals in a VNT-17. The impeller floats on a cushion of oil, and equal pressure on both sides of the center of the shaft keep the oil flowing through the turbo. When the turbo loses pressure on one side it'll push oil to the low pressure side. In this case it sounds like that's the turbine (hot) side, which is why oil came out the tailpipe. If the shaft isn't broken you may have galling of the shaft from oil contamination.
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Old June 9th, 2019, 18:26   #19
Yourbuddysatin
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Ahhh that’s good to know indigo!
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Old June 12th, 2019, 11:38   #20
VWdrummer
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Quote:
Originally Posted by KERMA View Post
Gratz on 200k miles of service out of a "lowly" VNT17. Now build it better stronger faster than before. 17 plus
please contact info@kermatdi.com or 877-537-6283 and mention your personal details and this thread.
I second this, the S7 turbo they sell is excellent too. Previously, I ran a vnt17 and am now running an S7 and I couldn't be happier.
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