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Join Date: Jul 2002
Location: Solana Beach, CA
Posts: 309
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Ventilation System - How does it work
How does the vent system work on a 86? I can not seem to get any fresh air flowing through the car. I know that the center vents are only for the A/C system.
I thought that the fresh air should come from the side vents? I hear the blower working (top level on the dash). Where should I start to look for the problem?
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kb mercedes GLK350 2009 boxster s 86 targa |
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01-18-2005, 10:44 PM
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Location: So. Calif.
Posts: 19,910
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If the later cars are like the early cars (pretty much), lowering the windows works better. IMO, the factory created too many tortuous paths for efficient airflow.
If the blower motor is ON and there's little or no airflow, I would suspect a vent door or vent control cable(s). The control levers and cables begin behind the vent control panel and you can access the ductwork from the trunk. Sherwood |
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01-19-2005, 12:18 AM
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Join Date: Apr 2003
Location: Maitland, Florida
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When you have factory AC, the outside air can only be directed at the windshield or at your feet.
Regards, Jerry Kroeger
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82 911SC Targa (05 Boxster S ) gone, but not forgotten 87 Suzuki GSXR-1100 1953 MG TD Mk II |
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01-20-2005, 08:48 AM
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Friend of Warren
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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01-20-2005, 08:52 AM
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I concur with the cable or flap being the culprit. Open the trunk, there is a cardboard panel that will come out easily and expose the blower and controls. You might want an assistant to wiggle the black flap control back and forth and see if it is moving the arm for the flap. If that cable is missing the clip or is off the clip holder, it is a bear to get re-attached. (replaced my master cylinder in the 86 and had to detach the cable).
Good luck.
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Tony G 2000 Boxster S |
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01-20-2005, 10:52 AM
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Rosewood 1983 911 SC Targa | Black 1990 944 S2 | White 1980 BMW R65 | Past: Crystal 1986 944 na Guards Red is for the Unoriginal
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01-20-2005, 11:33 AM
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Join Date: Mar 2004
Location: New Jersey
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Funny you should mention this..There is a wye connector the feeds into the side vents on models with footwell blower. This allows some heated air to help defog the side glass. I'm sure those connectors could find some use in re-plumbing for outside air. Of course, if you have AC I don't know why you would go to all that trouble. I wish there was a way to marry all three systems in older cars to take advantage of all the vents. When you think about it the A/C system is always recircluating the same air because you can't run fresh air directly thru the evaporator.
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Peace, Ron www.ronorlando.net 78SC Targa 3.2 SS, 964 cams, CIS, SSI's,Dansk Own a gun and you can rob a bank , own a bank and you can rob the world. |
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01-20-2005, 12:12 PM
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