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Registered
Join Date: Jan 2005
Posts: 180
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smoke in cabin ?
Hey , guys , after my 1988 coupe 930 is warmed up and I come to a stand still after driving a couple miles , "smoke" eminates thru the dash vents? I have tryed turning every atmospheric control ,in every combination ,to every extreme position and nothing seems to stop the smoking? It is embarrassing to say the least. I have been under back of car and those two ''air-vent'heat-riser' valves that are plumbed to header boxes , are cable-opperated , but by what? I don't know , and I tryed closing them by hand, and they just don't budge? I don't even know where all the ''smoke''originates from? any help/ advice , thanks
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05-11-2008, 01:09 PM
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Make Bruins Great Again
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Is there any color or odor to the smoke?
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-------------------------------------- Joe See Porsche run. Run, Porsche, Run: `87 911 Carrera |
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05-11-2008, 01:17 PM
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Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,576
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check out the fan wiring...fan bearing fails, wiring fires...
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.) |
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05-11-2008, 01:49 PM
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AutoBahned
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push the levers between the seats all the way down -- the heater boxes under the car should then be all the way open
is the car new to you? be sure to get an owners' manual and read it - heater controls are complex on a 911 |
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05-11-2008, 02:13 PM
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Join Date: Jan 2005
Posts: 180
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Thanks , guys, yes , have read owners manual several times on ''controls'', my car does not have '' levers '' down by e-brake? just a radial knob for A/C ,according to manual. The smoke is not electrical , it is indicative of oil, burning off somewhere and irritatingly entering the ''venting''system , and just ''rises'' up thru the dash vents and defroster vents after car is warmed up?
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05-11-2008, 03:16 PM
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Even reading the manual, I don't think you should see smoke, as you do.
Sounds like you've an oil leak (possibly) and it's getting in through the ductwork (as you suggested). Don't quite understand why there's no control for the flappers in your boxes... So,...no oil leaks anywhere under the car? Hopefully someone will chime in here as to the control elements..... Best,
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Recording Engineer, Administrator and Entrepeneur Designer of Fine Studios, Tube Amplifier Guru 1989 Porsche 911 Carrera Coupe 25th Anniversary Special Edition Middle Georgia |
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05-11-2008, 03:26 PM
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Registered
Join Date: Oct 2005
Location: Capistrano Beach, Ca.
Posts: 7,235
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Someone had a similar problem a few weeks ago and the suggestion was there was an oil leak somewhere on the top of the engine, under the fan shroud. This resulted in smoke being blown into the heater ducts by the fan, and no tell-tale oil leaks under the car. Sounds reasonable, but the person with the problem never responded as to the solution.
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L.J. Recovering Porsche-holic Gave up trying to stay clean Stabilized on a Pelican I.V. drip |
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05-11-2008, 06:00 PM
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Max
