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Eurovan 1995

 

Working on the air conditioner on my 1995 Eurovan. I discovered that I wasn’t getting adequate flow from my air conditioner. The air was very low.. taking off the panels below the dashboard I discovered that the blender door for heat is mechanically controlled, but the blender door for the air conditioner is vacuum controlled.
I am trying to determine two things ……Where does the vacuum line come through the firewall from the engine to the dashboard? I can’t find it.
And secondly, how does one test if the vacuum system is sealed and working?
Any help would be appreciated
thank you

Domokos
 

Arev you sure the blender door haven't lost all their foam covering? I believe one can see where the vacuum diaphragm is on the blender box, can it be traced from there? May have to drop the dash to see.
 

I can move the blender door by hand by actuating the solenoid. The switch doesn’t actuate the solenoid so I’m fairly certain that there is no vacuum coming to it. It is such a rats nest under there that I can’t see where it goes through the firewall. I think my best bet is to try to figure out if there is a vacuum there at all and any suggestions??
I had a 20 second fire in the engine compartment that melted some of the vacuum lines. I think I’ve replaced them all.
But not sure !?

Domokos Hadnagy


On Sun, Sep 8, 2024 at 5:34?PM George Parrino via <geoverde=[email protected]> wrote:
Arev you sure the blender door haven't lost all their foam covering? I believe one can see where the vacuum diaphragm is on the blender box, can it be traced from there? May have to drop the dash to see.
 

I think you’re right I was hoping not to have to drop the dash.

Domokos Hadnagy


On Sun, Sep 8, 2024 at 6:02?PM Domokos Hadnagy via <domokos.hadnagy=[email protected]> wrote:
I can move the blender door by hand by actuating the solenoid. The switch doesn’t actuate the solenoid so I’m fairly certain that there is no vacuum coming to it. It is such a rats nest under there that I can’t see where it goes through the firewall. I think my best bet is to try to figure out if there is a vacuum there at all and any suggestions??
I had a 20 second fire in the engine compartment that melted some of the vacuum lines. I think I’ve replaced them all.
But not sure !?

Domokos Hadnagy


On Sun, Sep 8, 2024 at 5:34?PM George Parrino via <geoverde=[email protected]> wrote:
Arev you sure the blender door haven't lost all their foam covering? I believe one can see where the vacuum diaphragm is on the blender box, can it be traced from there? May have to drop the dash to see.
 

I believe the vacuum goes through the firewall at the same location as the heater hoses. On mine there is a barb connector that the vacuum hoses connect on either side of the firewall.
Good luck?
 

If you do, please document it for everyone. My heater core is shot, and I'm considering dropping my dash.
?
I have seen a video where a guy repaired his blender door without dropping it.? Not helpful for me, but if that is your issue, you could try that... tho with the fire, you may want to take a look around.
 

Will do

Domokos Hadnagy


On Mon, Sep 9, 2024 at 10:00?AM Droppin bombs via <duckdive=[email protected]> wrote:
If you do, please document it for everyone. My heater core is shot, and I'm considering dropping my dash.
?
I have seen a video where a guy repaired his blender door without dropping it.? Not helpful for me, but if that is your issue, you could try that... tho with the fire, you may want to take a look around.

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