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Guest Message by DevFuse

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big white smoke plumes!?

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3 replies to this topic

#1 shanonsf


    USMB is life!

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  • san francisco, ca

Posted 04 December 2004 - 11:29 PM

hey all,

recently had a big plume of white smoke when starting the car a couple of times recently,very embarrasing, and would go away after warming up.
smoke comes from under hood and tailpipe-

i look under the hood and some grease had been burnning on the CAT, cleaned it up and seem to do the trick. But if that'sd it , how did it get into the tailpipe and puke out the back?

I've got a Weber on a EA81 and runs fantastic, has it gone outta tune a bit? is this a cold weather occurance? White plume smells of water....

could it be a clutch cabl adjustment, is the the clutch/cable?

any input appreciated.

82 GLW 'Snowhite'....manipulated

#2 subiemech85



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  • down by the river

Posted 04 December 2004 - 11:44 PM

sounds like you have two separate issues

white smoke may be due to climatic conditions, humidity, driving through water, cold air and engine temp

the grease may be a cv axle boot is bad, typical :drunk:

the clutch cable, either it works or it doesn't :cool:

#3 idosubaru


    Elite Master of the Subaru

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Posted 05 December 2004 - 12:03 AM

white smoke can also mean coolant leakage somewhere. you would experience a gradual coolant loss though. is your coolant level staying constant? sometimes at the onset of minor leaks, coolant can seep into the combustion chamber after you turn the motor off, then when you start it up it will blow the coolant out the exhaust. have someone start the car while you're standing at the exhaust tip and see if any coolant blows out right after start up. then after a few strokes all the coolant is gone out the the motor.

remove your oil cap and check for white film underneath.

if it only happens right at start up, it shouldn't be grease, oil or ATF since the exhaust isn't hot yet.

does it continue to smoke at all after warming up?

#4 TheSubaruJunkie



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Posted 05 December 2004 - 12:51 AM

Check your carb gaskets shannon. The Hitachi has a section that attatches to the manifold where coolant runs from the manifold to the carb. The weber has no such port, so you need to make sure its blocked off good or else coolant will leak into the intake, it would cause the problem you describe.


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