Bought a 2000 Jetta TDI - Page 3 - Fuelly Forums

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Old 03-04-2008, 06:11 AM   #21
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I drove a TDI stick in '98. I had to run out the r's a bit to get it going, but I liked it. We didn't buy it then as we went a different route.
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Old 03-04-2008, 06:54 AM   #22
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The mechanism that moves the variable inlet vanes or nozzles in the turbo (VNT) have a tendency to bind. What actually causes this is still being debated among TDI owners. For whatever reason when a replacement was needed the poster decided to upgrade to a bigger air mover. This is probably a prudent move considering the re-mapped ECU chip and the higher flow injector nozzles already installed (and possibly contributing to an early demise of the OEM turbo).
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Old 03-07-2008, 12:08 AM   #23
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Quote:
Originally Posted by SD26 View Post
Thanks for the update.

So, what were the mods for? Is it a regular wearing out issue, or for a little better overall performance?
The mods were for performance, but I have also improved economy.
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Old 03-07-2008, 12:13 AM   #24
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Quote:
Originally Posted by Lug_Nut View Post
The mechanism that moves the variable inlet vanes or nozzles in the turbo (VNT) have a tendency to bind. What actually causes this is still being debated among TDI owners. For whatever reason when a replacement was needed the poster decided to upgrade to a bigger air mover. This is probably a prudent move considering the re-mapped ECU chip and the higher flow injector nozzles already installed (and possibly contributing to an early demise of the OEM turbo).
Lug nut, I agree that after I had the remapped ecu, a buddy advised me to have a boost guage and a manual boost controller installed. I hadn't and the original turbo went south at 160K, I was not surprised, not happy either.
I am much happier now with my VNT 15/22, economy and performance.
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