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Turbo discharge piping sucking shut?

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Old 10-05-2012, 06:50 PM
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Default Turbo discharge piping sucking shut?

For some reason that we can't figure out, the silicone couplers are being sucked shut between the turbo and engine before the turbo finally spools up.

Also the turbo isn't wanting to spin when the engine is idling. The turbo was rebuilt by precision with a new exhaust wheel, bearings and seals in January and has been sitting since then. The turbo is a 76gts.

Anyone have any ideas
Old 10-05-2012, 06:53 PM
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Turbo locking down and causing the engine to pull a high vacuum on the couplers.
Old 10-05-2012, 07:01 PM
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Can you spin the blade freely by hand?

Is their proper oil to it?

Do you notice if the wheels are touching their respective housings?

If you cant spin it by hand, maybe remove both housings and check to see if something is stuck causing to be held up, maybe something got wedged in, or dropped in during rebuild or during re install?
Old 10-05-2012, 07:07 PM
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Unfortunately I'm getting this from my builder and he lives an hour away. He says it spins by hand but there is a tight spot. I'm not sure what oil is being used and if anything is contacting the housing.
Old 10-06-2012, 07:28 AM
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"He says it spins by hand but there is a tight spot."

And, when the exh gas pressure comes up, the tite spot is aggravated to the point it drags the wheel to a crawl.
Old 10-06-2012, 09:22 AM
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LOL, just another absolute fail from PTE, send it back and get a refund, then buy a decent turbo
Old 10-06-2012, 05:34 PM
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Umm..... It's fixed.

Tape was covering the outlet lol. It's all good now.

The cold side was put on for mock up and worked out perfect the first time and was left on.
Old 10-06-2012, 07:17 PM
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Originally Posted by Grr
LOL, just another absolute fail from PTE, send it back and get a refund, then buy a decent turbo
Like a comp......
Old 10-06-2012, 09:09 PM
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Originally Posted by L92 fox
Umm..... It's fixed.

Tape was covering the outlet lol. It's all good now.

The cold side was put on for mock up and worked out perfect the first time and was left on.
lol yea JUNK pte turbo like others said!
Old 10-06-2012, 10:40 PM
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I don't know if I would call the turbo junk. I has 10000+ miles on it with it making well over 700 whp. I got it rebuilt because the wheel had some nicks on it. I think it will hold up just fine.
Old 10-07-2012, 05:41 AM
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Originally Posted by L92 fox
Umm..... It's fixed.

Tape was covering the outlet lol. It's all good now.

The cold side was put on for mock up and worked out perfect the first time and was left on.
And the engine actually ran like that ?
Old 10-07-2012, 07:25 AM
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I did that once also!! Mine was sucking air in the by pass at an idle.

Kurt
Old 10-07-2012, 09:01 AM
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Originally Posted by L92 fox
I don't know if I would call the turbo junk. I has 10000+ miles on it with it making well over 700 whp. I got it rebuilt because the wheel had some nicks on it. I think it will hold up just fine.
i have one i was kidding lol... lately everyone seems to running around here saying precision sucks thats why i said it
Old 10-07-2012, 12:22 PM
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Originally Posted by got-a-ls1
i have one i was kidding lol... lately everyone seems to running around here saying precision sucks thats why i said it
So you jumped on the bandwagon too, lol. . .
Old 10-07-2012, 12:51 PM
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Originally Posted by stevieturbo
And the engine actually ran like that ?
Not very well lol
Old 10-07-2012, 12:53 PM
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Originally Posted by got-a-ls1
i have one i was kidding lol... lately everyone seems to running around here saying precision sucks thats why i said it
Gotcha. It does seem like precision is the hated company of the week.



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