white smoke caused from turbo?
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This is a discussion on white smoke caused from turbo? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I have white smoke coming from my exhaust every now and then. I took it to the dealership and they ...

  1. #1
    Supporting Member yamaha_rider619's Avatar
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    white smoke caused from turbo?

    I have white smoke coming from my exhaust every now and then. I took it to the dealership and they think it is just water in the exhaust/engine. I don't think this is the case, could be wrong, but is there a way my turbo could cause this? Maybe oil/coolant burning in the turbo? I did a compression test and got 130 on all 4 cylinders with the engine cold. The dealership also did the compression test and the only thing they could come up with is water in the engine/exhaust.

    I just started trying to let my car idle 1-2min before turning it off, like a turbo timer and i have not seen any smoke sense. Any ideas?
    Josh
    2003 Subaru Wrx Vf39'd
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    Registered User teflon_jones's Avatar
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    Does it only happen at start-up? If it happens when the car is warm it's not water. Is it pure white, or does it have any tinge of black/blue color to it?
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
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    Supporting Member yamaha_rider619's Avatar
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    only at start-up. I know its white, i cant say pure white because it is here and then gone in a matter of seconds. But i would say just white.
    Josh
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    The Default One SeattleJeremy's Avatar
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    If it only does it when the engine is cold, then the shut down procedure shouldn't have anything to do with this issue.

    What part of Colorado are you in?
    Maybe we can help you find a Subaru specific shop (not the dealer) that is able to find and fix all the problems with your car.

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    Supporting Member yamaha_rider619's Avatar
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    I would agree, but when i let the car idle before shutting it down, when i start it in the morning there is no smoke.

    I live in littleton, few miles south of denver.
    Josh
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  7. #6
    The Default One SeattleJeremy's Avatar
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    I don't have any personal experience with either of these shops, but they've both been in the business of fixing Subarus for around 30 years.

    http://www.subapros.com/ - Wheat Ridge
    http://www.superrupair.com/ - Boulder

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    Supporting Member yamaha_rider619's Avatar
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    I was just thinking about contacting subapros, but the other one sucks. Been there from recommendations people gave me.

    I just am confused because if it was a head gasket, wouldn't it smoke all the time, or i would lose coolant? Or if it was oil, i would lose a significant amount of oil?
    Josh
    2003 Subaru Wrx Vf39'd
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    I would think burning oil would have a noticable smell with the smoke. (like an old lawn mower) Depending on the temperature up there, I would just say its water vapor. If you park your car outside, the moisture will accumulate in the exhaust and condense. I put off a lot of vapor in the morning in Houston cause the humidity is so high.

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    Supporting Member yamaha_rider619's Avatar
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    Colorado is normal a dry heat, but lately its more humid with the rain.

    I believed it was water vapor in the exhaust until a few days ago. I started the car in the morning, drove around to do a few places then came home. Started the car a couple hours later, then got the smoke again. That is why i went back to the shut down procedure.
    Josh
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    UnBanned Sinister's Avatar
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    I contest that it's either the CHRA or Headgasket.
    Kevin
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    Supporting Member yamaha_rider619's Avatar
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    Quote Originally Posted by Sinister View Post
    I contest that it's either the CHRA or Headgasket.
    Whats CHRA, center housing rotating assembly??
    Last edited by yamaha_rider619; 07-06-2010 at 02:35 PM.
    Josh
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    UnBanned Sinister's Avatar
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    Quote Originally Posted by yamaha_rider619 View Post
    Whats CHRA
    The core of the turbo. It's where all the coolant flows through in the turbo to keep it cool, and the oil flows to lubricate the journal bearings in your td04

    Kevin
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  14. #13
    Supporting Member yamaha_rider619's Avatar
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    is there an easy way to check this?
    Josh
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    Registered User armindk's Avatar
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    If you did a compression check and it was fine then it is probably the CHRA. Is there a sweet smell when the smoke comes out?

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    Supporting Member yamaha_rider619's Avatar
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    Honestly it's hard to tell, I'm catless.

    Would I still get decent boost if it were going out?
    Last edited by yamaha_rider619; 07-07-2010 at 07:13 AM.
    Josh
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

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