1996 Buick Regal air only flowing through floor and defrost vents

Herrenfam

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Hello - I hope I’ve posted this in the right place? If not, please let me know where to go.

I’ve scoured the forums about this topic. The posts I found we’re old and included links I couldn’t access “permission denied”. (It was the old forum)

We’ve checked the fuses, and we tried to find the tiny tube for the vacuum inside the engine area, but we can’t find it. We looked at removing the battery, but there is a shelf below it that we couldn’t see a way of removing or going around.

We found a part that appears to plug into hoses in the engine compartment just dangling. There was also a single 1/2” tubing unplugged from something. It appears that this should plug into something, but we can’t figure out what goes in the other outlets!

If someone would be kind enough to guide us on this ac problem with more information about where this mystery part is, or ways to find that tiny vacuum tube that seems to be the problem a lot of the time. Any suggestions would also be greatly appreciated!

We have basic tools and skills, but we are certainly not mechanically inclined. Our money situation is such that if we can’t fix it ourselves, then we will have to sweat out the desert summers with a driver side window that doesn’t roll down lol)
 

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the problem you describe is typically an air blend door actuator not functioning. Concerning what you are finding under the hood, you will have to post some pictures to get a clearer idea of what you are seeing. It is doubtful that the two are related.
 
the problem you describe is typically an air blend door actuator not functioning. Concerning what you are finding under the hood, you will have to post some pictures to get a clearer idea of what you are seeing. It is doubtful that the two are related.

Thank you for your response. I used the picture upload feature on this page to attach the pictures of the unknown part. Is there a different way to insert photos so they can be seen easier? Thank you again!
 
does you windshield washer work?

Haven’t tried! We live in the desert and it rarely rains. But when my son gets home with the car This evening I’ll check that. Thanks
 
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