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A930Rocket A930Rocket is offline
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Join Date: Oct 2003
Location: Mount Pleasant, South Carolina
Posts: 7,360
They need to stay in the open postion to let the heat out. Closing the heater box vents allows the hot air to flow into the passenger cabin. Check for the small spring on each that keeps them open.

Originally Posted by mooney265 View Post
I was wondering what that "inverted" rubber joystick was up there by the rear view mirror! I thought It had something to do w/Temp-Sensing. Either that, or a microphone for wireless phone system [1979-vintage]! Ha!!

I'm going to raise the car and see if the boxes are closing 100%. Maybe one is staying open, BECAUSE - I'm getting hot air out of the LEFT defrost duct and not the right one...??? Maybe start by looking at the left one...
Old 11-03-2008, 05:38 PM
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