04 WRX putting out smoke
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This is a discussion on 04 WRX putting out smoke within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; hey guys, i was wondering if anyone could help me with a problem that seems to be getting progressively worse ...

  1. #1
    Registered User nashvegas51's Avatar
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    04 WRX putting out smoke

    hey guys, i was wondering if anyone could help me with a problem that seems to be getting progressively worse on my baby. I've owned the car for just over a year, and i've been noticing a problem. My car has occassionaly been putting out clouds of white smoke under any form of acceleration. It first happened about 2 months after i'd bought the car....then a few months after....now it seems to happen once every other day (if not every day). the car has near 80K miles (all highway) and has had regular oil changes at least every 3K. It will happen at random and lasts up to 10 miles before stopping. It will happen whether or not i let the car warm up and with no consistency as to how long the car has been running, the temperature outside, or whether the A\C is on. I at first was attributing it to bad gas but now i'm second guessing? i have a v2. accessport and the car usually runs beautifully. any help would be greatly appreciated!

    thanks and sorry for the rambling!

    -Tom

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    Registered User nashvegas51's Avatar
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    no clues?

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    Registered User 4cyturbowrx's Avatar
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    I would check for wet spots on the ground. I would check fluid levels. Is your turbo bosting all the way? Might want to check all hoses? Maybe a compresion check is needed? It could be anything.

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    Admiral Ackbar the 1st mycologist's Avatar
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    Sounds like you are burning coolant. Next time it does it see if it smells sweet. Possibly a headgasket blowing out. You can stomp on it up a hill then pull over and see if there are bubbles in the radiator (careful not to burn yourself). It could also be oil - but usually that is bluer. Did you over fill it?
    "From a little spark may burst a mighty flame." - Dante
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    Registered User nashvegas51's Avatar
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    funny you mention those things......i was just actually outside checking. The oil is perfect, no loss, not overfilled. the radiator's not bubbling....but i checked the coolant filler resevoir and it's almost empty so i'm keeping my fingers crossed. a good friend of mine (and an amazing mechanic) is taking a look at it tomorrow. when it's not smoking it runs perfect so i hope it's just a small leak somewhere in the coolant system. I'll post what i find out tomorrow!

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    Admiral Ackbar the 1st mycologist's Avatar
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    You can try the subaru "coolant conditioner" it is basically like a stop-leak type crap. Researching for our used Outback I found that Subaru doesn't have a great track record with head gaskets for a while.
    "From a little spark may burst a mighty flame." - Dante
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    Registered User 4cyturbowrx's Avatar
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    I had an issue with the coolant line that went in to the turbo, all it need was one of those screw type fittings. Not the one that comes stock. It would leak on the turbo. What MODS do you have done? If you have a downpipe check the drain line thats sits right above the down pipe It will leak water when you are running your AC.

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    Registered User nashvegas51's Avatar
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    thanks for everything so far guys....i'll be checking all of those things tomorrow in the shop. the only performance mod i have is an accessport. i'm really hoping it's just a problem somewhere in the coolant system....not a head gasket. i feel like if it were a head gasket it would be smoking alot more of the time that i am driving

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    Admiral Ackbar the 1st mycologist's Avatar
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    Could also be turbo seals. I think if oil goes straight into the exhaust it will vaporize white. Also, coolant runs through there too.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

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    Registered User T.J.'s Avatar
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    Quote Originally Posted by mycologist View Post
    Could also be turbo seals. I think if oil goes straight into the exhaust it will vaporize white. Also, coolant runs through there too.
    That is what I was thinking. It seems like some small amount of fluid is getting burnt out of the exhaust or turbo. My car was doing this on occasion a couple of years ago but it seems to have stopped before I could trouble shoot it. Same symptoms, but I haven't seen it in a long time.

    Good luck, and keep us posted on how it turns out nashvegas. Hopefully it turns out to be an easy fix (or an excuse to upgrade your turbo).

    Later, T.J.
    200,000 mile club.

    Old Irish adage: "Do not resent growing old. Many are denied the privilege."

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    Registered User nashvegas51's Avatar
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    Alright back to stage 1. We checked every line on the whole damn coolant system....we ran some pressure through the whole system and no bites. this is turning out to be the weirdest thing ever. I didn't have the tools to pull my turbo or heads to check things internally today. Quick question, could this white smoke be an early sign of my turbo goin out? it may sound rediculous, but i'm new to the turbo world and i'm givin everything a shot.

  13. #12
    Admiral Ackbar the 1st mycologist's Avatar
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    Quote Originally Posted by nashvegas51 View Post
    Alright back to stage 1. We checked every line on the whole damn coolant system....we ran some pressure through the whole system and no bites. this is turning out to be the weirdest thing ever. I didn't have the tools to pull my turbo or heads to check things internally today. Quick question, could this white smoke be an early sign of my turbo goin out? it may sound rediculous, but i'm new to the turbo world and i'm givin everything a shot.
    See the previous two posts.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

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    Registered User nashvegas51's Avatar
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    if i had to replace the turbo seals how much would that run me? as much as i'd love to just upgrade i can't really afford it right now.

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    Registered User 4cyturbowrx's Avatar
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    It might be your turbo seal like stated above. It would be cheaper to just pick up a used one. Who is checking your car out with you. Is he a liscens mechanic?

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    Registered User nashvegas51's Avatar
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    yes, the man who was helping me yesterday has been a liscensed mechanic for 20 years and drives a 700 plus wheel hp mustang cobra that he built himself. he's a genious with cars. unfortunately, he doesnt know too much about turbo cars or subarus (more of an american muscle car guy) so he recommended a few subaru specialists in the area

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