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What causes white smoke from the tailpipe?

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Old 11-20-2006, 08:27 PM   #1
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Default What causes white smoke from the tailpipe?

I'm asking this because I have read on here that a few people had this happen and after changing out a leaking valve cover gasket it went away. Now, I have this problem and it only blows white smoke when I am on it hard. So, after investigation I found a leaking valve cover gasket and the oil is getting to the plugs. After talking to a buddy who knows jsut about everything about cars and turbos, he says that won't cause it to blow white smoke and it sounds like blown turbo seals. The turbo works just fine, but I guess the seals can still be bad. The head gasket seems to be fine, no coolant in the oil...no oil in the coolant. I just hope it isn't a turbo on its way out..damn it. The turbo is 10 years old and the car has been chipped for 10 years on the original turbo...so possibly I am hoping for a miracle at this point. Anyone with some knowledge about this want to school me on this white smoke cause or causes. Thank you, insight is appreciated.
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Old 11-20-2006, 08:38 PM   #2
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Default lean condition, dumping fuel

but usually coolant = white smoke

but it could just be the turbo
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Old 11-20-2006, 08:40 PM   #3
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Default Yes, we know you're car is 10 years old. You've said a million fvcking times.

I'm surprised with all your "supreme knowledge" that you don't already know the answer because you've had your car FOR 10 YEARS. My car will be 9 this March, woppie fvcking do.

Unless you are having other serious engine problems, there's only one other major component that causes white smoke.
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Old 11-20-2006, 08:51 PM   #4
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Whoa Nate, easy there killer. lol have a drink, relax. lol
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Old 11-20-2006, 09:13 PM   #5
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Default The mention of time was related to the possible symptom of a blown turbo.

Look, the only reason I brought up time was because it just may be a hint into the possibility of this being a blown turbo after all. I figured someone may ask, how old is the turbo? Yes, I've owned this car 10 years, who cares! I really don't care that your car is 9 years old and you haven't had it all that long yourself. When is the last time I ripped on you or responded to your posts negatively? I don't think I deserve such disrespect. I was asking for helpful insight, not an immature comment from a dirt bag new gen. AudiB5 owner who acts too big for his britches. The world would be a better place without you in it, especially AudiWorld. Die my friend....just die.
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Old 11-20-2006, 09:21 PM   #6
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how old is ur car?
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Old 11-20-2006, 09:59 PM   #7
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2 weeks?
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Old 11-20-2006, 10:53 PM   #8
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Default I highly disagree.

Nate is one of the most helpful guys on here hands down. Yes there are some that he does not get along with, but we are human afterall. Not everybody gets along, Nate is just not shy about letting people/you know that he does not like you.

Check the coolant fitting on your turbo in the meantime.
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Old 11-21-2006, 03:04 AM   #9
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wtf...
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Old 11-21-2006, 05:42 AM   #10
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Default Serious answer inside!

IMO, it's probably the turbo.

Pull the compressor inlet hose and unbolt the cat to see if there is any shaft play or if it is wet inside (would be most worried about oil on turbine side, is somewhat normal on compressor side)

Has your oil level gone down any?

Everyone says oil = blue smoke and coolant = white smoke but I found that to not be the case in my situation. Maybe it has something to do with Synthetic vs Dino.

Never lost a drop of coolant, but lost qts of oil and it was all white smoke.

As far as "seals" in the turbo, theres only one RUBBER seal, from the CHRA to the compressor housing, that probably wouldn't cause this white smoke though. The one that I'd be worried about is the metal split ring seal on the turbine shaft/wheel. If that goes bad it will cause oil to get into the exhaust. Mine was bad and didn't notice any oil loss, it only takes a tiny bit of oil to make alot of smoke.

What does the smoke coming from the exhaust smell like?

Any soot on your back bumper? I could write **** with my finger on mine it was so thick.
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Old 11-21-2006, 05:47 AM   #11
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Default Sadly, i have to disagree with you

should be:

"Nate was one of the most helpful guys on here hands down. "

half of the **** (NOT ALL, he still helps every now and then) he writes now days makes me think Mica is over there posting on his account.
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Old 11-21-2006, 07:16 AM   #12
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Default One of my cars turned 50 this year.

Just sayin.
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Old 11-21-2006, 07:42 AM   #13
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Default still got that van?

that thing was sick. we all got these nice audi's yet we were driving around in that thing. fun stuff :P
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Old 11-21-2006, 08:44 AM   #14
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Yup, but it is only 24.
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Old 11-21-2006, 09:57 AM   #15
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Whoa - hurry up and take your medecine!
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Old 11-21-2006, 10:57 AM   #16
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Default I agree with your disagreement.

Nate sounds like a miserable troll. Most of the **** that guy posts is unnecessary, unhelpful, and makes me want to find where he lives in Iowa or whatever and kick his ***.
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Old 11-21-2006, 12:26 PM   #17
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Default I disgree with your agreement.

That was fun. Where is Kris? Shouldn't he be OTing this?
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Old 11-21-2006, 02:47 PM   #18
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You forgot to remove your Blunt from the intake?
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Old 11-22-2006, 10:46 AM   #19
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haha
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=2003 Sportec A4 Avant --Known as the Wicked Wagon --2.0 stroker --Sportec cams --Motorsport stroker crank --Mahle pistons --Motorsport rods --Custom Sportec Intake Manifold from Skoda WRC --Head port/valve job --Custom FMIC from Porsche 993 turbo --O34 custom intake w/ heat shield --Gt2871r --O34 Exhaust Manifold --O34 Downpipe --Sportec Exhaust by Autosport Werks --Sportec secondary injector controller --O34 EFI IIc Standalone system w/ converted drive by cable throttle body --91oct and 100oct custom tunes by Javad @ O34 --Custom 2pc 380mm Sportec Front Brakes with RS6 rears --Sachs Clutch/LWFW --Custom Valved Koni/eibach --Sportec sways (28mm/22mm Front/Rear) --Fiber Images Hood -- powdercoated custom Sparco rollbar --Sportec Body Kit --Sparco Milanos w/ Schroth harnesses -- Sportec pedals, shifter, ebrake --AIM Dash display - Sportec Mono 10 19"

=2004 S4 avant sport --APR catback --18" Ronal
=2003 RS6- sport exhaust --APR chipped (SOLD)
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