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Posted on May 25, 2009
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Heat blows onto my feet all of the time in my '80 corvette.

When selector lever is on cool, heat still blows from vents.

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  • Posted on May 25, 2009
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Joined: May 24, 2009
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On your vette I cant remember if it is vaccuum operated or manual cable but either way get a manual for the car that has a/c heat in it . You either have a vaccuum line that broke or a bad diaphram or a broke cable. I am almost sure its vaccuum but check that first then look at diagram and slowly work your way from the engine to inside car. you can also try to listen for it with the car running. if its a cable operated then look underdash for the blend door and follow the cable to the a/c control on the dash . one of the two. if you cant find a diagram google it. does the controls feel any different now when truning them ?

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98 carolla heater blows cold ,I flushed system replace t stat check flow switch its working. when defrost, heat lever in heat position air blows out ac vent.
The mode selector is bad. IF you look at the plenum (where the fan motor is ) you should see two levers one is hot cold the other is mode. Check them by moving the controls and see if they move.
If the mode lever moves then the door on the inside is broken or something could have fallen in the vents and is blocking it.
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Jul 30, 2012 • 1996 Chevrolet Corvette
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1980 Corvette

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