ok so my compressor and cooling system is working perfect. however when you turn on the A/C the blend door that shuts to stop sucking fresh air in from the cowl doesnt close.. anyone who knows the specifics on this blend door please let me know.. what vacuum lines it uses and where the servo for it is so i dont wind up pulling the whole dash.. also my heat only comes out on the floor??? im pretty sure it used to come out the eye level vents.. however i do have a rather bad memory.. any help is much appreciated
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and also if you know about the heater core valve located in the engine bay.. vacuum applied is it open or closed? because heat or a/c on its got vacuum thank you

The door is over on the right side of the dash next to the ecm. When you follow the vac line there, I believe it is the orange one. That door should only open when the ac is in Max