2006-2010 Explorer AC Vacuum lines. Where it should be connected?

[Ahmed Ibrahim]

Hi, I had an issue with the AC not blowing the air from the front vents. i found 2 corroded vacuum lines under the hood from passenger side, one is black and the other is gray and i think the black one connected to the vacuum reservoir under the dashboard in the passenger side but the gray one couldn't trace it .

when i went to the mechanic, he replaced both the vacuum lines under the hood, but he used a joint to connect both to the vacuum control valve "Picture 1" . i don't believe that both were connected to the same valve. Please check picture 4
If someone have any idea where the two vacuum lines supposed to be
connected?
Picture 2 is for the two cables under the passenger side dashboard.
i know that the black one should be connected to the valve in picture 1
and i think the gray line should be connect to this part in Picture 2

Please check the picture. and is there any harm if both lines connected to the same valve?

 

[boominXplorer]

The grey line is supposed to go to heater shut off valve (#2). It should be isolated from the black dashboard feed line. Check valve seems correct but you might want to test it, it can cause a hissing noise when accelerating.

 

[Ahmed Ibrahim]

Thanks @boominXplorer

I isolate the two lines as per your advice. i'll try to connect the gray line to the heater shutoff valve but i don't know how long it will take to find a vacuum line that can fit into the valve.

any problem will happened if i just left this line loose until i find the correct part?
and what is the name of the part at the end of the vacuum line " the angle" that make it fixed inside the shutoff valve?

Thanks

 

[boominXplorer]

If you plug the grey line the dashboard should hold vacuum for the vents to operate correctly. You'll just always have heat running through the heater core.