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Smoke from under the turbo housing??

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Old 06-05-05, 03:37 PM
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Smoke from under the turbo housing??

I think I may have blown the motor in my car I havn't had any time to try and look at it yet so I'm not 100% it's gone but it sounds pretty bad. Anyhow, I ran some Marvel directlu into the upper intake manifold while the car was running to see what what elsi I could mess up and i noticed a large amount of smoke billowing from some place under the turbos. The motor was hot at the time so I didn't and have not yet looked at what it may be but I'm thinking there shouldn't be smoke from that area????
Anyone have any direction on what I may be looking for when I do get under there?
Thanks
Old 06-05-05, 05:49 PM
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oil or coolant is burning.
Old 06-05-05, 06:00 PM
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Might have a small leak comming from oil lines on the turbo...
Old 06-05-05, 06:08 PM
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Originally Posted by SAiamNE
Might have a small leak comming from oil lines on the turbo...
That would be my guess. If you have oil smoke coming out of the exhaust too you may have a clogged oil drain line. Not likely though if your running stock turbos and hard drain lines.
Old 06-05-05, 08:28 PM
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Sorry guys, let me be more clear in what I'm saying.
With the car running (stumbling sputtering trying to die) There is no smoke that I can see. As I add the Marvel oil into the motor via a tube into the upper intake manifold while the motor is running THEN I get the smoke. It's as though there is some kind of exaust leak in the motor or turbo housing. Once the crap is burned off the smoke goes away. So there is something venting exaust gases from under the turbo.......somewhere.
Old 06-05-05, 09:14 PM
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Sounds like you have really bad turbine housing or manifold cracking past the gasket...
Old 06-05-05, 09:27 PM
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Originally Posted by rynberg
Sounds like you have really bad turbine housing or manifold cracking past the gasket...
That's pretty much along the line of what I was thinking though I havn't gotten under there yet. Is there any way this could be causing a poor idle? I would guess that if it was on the intake side it could cause some strange things to happen as it would cause a loss in manifold pressure??????
Old 06-05-05, 09:54 PM
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Oil in the turbo manifold will smoke

Originally Posted by Donovan
Anyhow, I ran some Marvel directlu into the upper intake manifold while the car was running to see what what elsi I could mess up and i noticed a large amount of smoke billowing from some place under the turbos. The motor was hot at the time so I didn't and have not yet looked at what it may be but I'm thinking there shouldn't be smoke from that area????
Anyone have any direction on what I may be looking for when I do get under there?
Thanks
Maybe when you were running the marvel directly into the UIM it got into the turbo housing without being completely burnt in the combustion chamber. With that much oil inthe turbo area you may have found a gasket that's no longer sealing properly. I'd look for a place that looks like exhaust has been escaping and (now perhaps some oil leakage) from the marvel oil run.
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