A/C Controller Vacuum Line Question
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Mountain Pass
Joined: Jan 2021
Posts: 167
Likes: 10
From: North Of Dallas
A/C Controller Vacuum Line Question
Does anyone know what colored lines do what on the back of the A/C Controller? On a 1981 F-150 with factory A/C
All i have determined is black and white is the vac from motor
All i have determined is black and white is the vac from motor
Thread Starter
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Mountain Pass
Joined: Jan 2021
Posts: 167
Likes: 10
From: North Of Dallas
Thanks, I just got all that together. do you know where I could get new vents. I only had air coming out the far passenger side vent and turns out there is a rat nest in the vent system. The vents are breaking when removing them. i may need new ones if not I'm bout to break out the super glue
FTE Legend
Joined: Nov 2015
Posts: 30,876
Likes: 4,116
From: Angier, NC
Dave thinks for that as I need to go back over my system to find if all is ok and why when on MAX AC pulling hills it goes to defrost.
I do have a new vacuum check valve but may also need a larger vacuum tank?
Aaron,
If someone can get the part numbers you might be able to find new ones but I would thing use is the only way to go here.
Any factory AC 80 - 86 truck (100 / 150 / 250 / 350) should work.
I dont know if the 87 - 90's would work as the dash has a different shape.
As for fixing what you have I dont think SG will cut it as I dont think it will stick to the duct plastic.
I would get https://www.plastex.net/ as it is made to fix plastic. I have used it and the repair was stronger than the part when the part fell out of my hands
and had to fix it again.
Or I would get a plastic welder kit. https://go.harborfreight.com/?s=plas...Submit+search=
I dont have a plastic welder .... yet but would be nice to have one when needed for other projects.
Dave ----
I do have a new vacuum check valve but may also need a larger vacuum tank?
Aaron,
If someone can get the part numbers you might be able to find new ones but I would thing use is the only way to go here.
Any factory AC 80 - 86 truck (100 / 150 / 250 / 350) should work.
I dont know if the 87 - 90's would work as the dash has a different shape.
As for fixing what you have I dont think SG will cut it as I dont think it will stick to the duct plastic.
I would get https://www.plastex.net/ as it is made to fix plastic. I have used it and the repair was stronger than the part when the part fell out of my hands
and had to fix it again.Or I would get a plastic welder kit. https://go.harborfreight.com/?s=plas...Submit+search=
I dont have a plastic welder .... yet but would be nice to have one when needed for other projects.
Dave ----
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