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behind the radio on passagerside theres a connector with several vaccum line on it, check and see if they are all connected, that happened to mine and it turned out one of the lines came off. good luck.
 

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yes, the one that came loose on mine was black I think. There's 4 or 5 small differant colored lines. They operate the vent doors.
 

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Yes. I believe its the yellow one that actuates the defrost door.

There is also a check valve in the engine bay. by the passenger side hood hinge. It there is not vacuum there, the air is routed to the defrost by default.
 

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Start the car and see if that black line has a vacuum on it. If not then go to then engine bay and look were I suggested. Also look on the vacuum tree. there is a port label A/C on it. Thats for the A/C vent controls.
 

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Discussion Starter #11
Really appreciate the help turned out to be a crack on my ac line coming from the firewall on the drivers side. Just went and picked a new hose up from the parts house. Thanks fellas!!!
 
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