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Flair Birds [1964-1966] You have a Fourth Generation Bird or just have some questions about them? Then this forum is for you, check it out. |
This is a discussion on Vacuum hoses messed up within the Flair Birds [1964-1966] forums, part of the Thunderbird Model Years category; I am a new owner of a 1966 Tbird convertible. It runs, drives and stops as it should. As I ...
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Vacuum hoses messed up
I am a new owner of a 1966 Tbird convertible. It runs, drives and stops as it should. As I am trying to get various vacuum driven items to work (door locks, parking brake, heat...) I noticed that I have no vacuum in any of the lines. So I traced all the lines and it appears that they loop to each other but none attach to the manifold. I have included pictures of where I believe the vacuum hose should attach to the manifold. (red arrow) If someone can confirm this for me before I do harm. Thanks
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So just so I understand, I should remove the black cap (as depicted in my picture with a red arrow) and that is where the vacuum lines that go through the canisters and firewall, etc connect. I understand the connections and purpose of the canisters and hoses from there on. I have traced them through the firewall, replaced and reconnected what was necessary. I was just not getting any vacuum and discovered that they were not connected to the manifold.
The car actually runs beautifully... Just all the gauges, lights and functions are messed up. Previous owners taking short-cuts. Thanks |
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well thats the only place left for me to hook up the vacuum system. One goes to the brake, one to the PCV system, one dives down deep... maybe to the transmission? Neutral switch? That leaves only the capped port to use for my other vacuum driven functions.
FYI: the line with check valve is actually one of the lines that is looped together. It does not have a connection to the manifold at this time. |
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I forgot about the transmission- yes that gets connected to the manifold port as well, the vacuum modulator.
I believe that the accumulator supplies the cabin vacuum. This is so stuff works after the engine is shut down. This does the E-brake release, the vacuum motors to the rear window vent, AC controls, and the door locks (may be others depending on options). The E-brake release is connected through a valve in the neutral safety switch. |
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so that leaves that capped port as the only one left for connection to the line to the accumulator. I need to open the unconnected loop and attach it to the capped port. Once I get a vacuum then I can get the rest to work.
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By the way all those black phosphate body bolts and screws, that is a factory finish, similar to Parkerizing, developed for firearms back during WW2. It is a porous finish that will last forever as long as they have a tiny amount of oil saturated into the molecule deep finish. Clean them with detergent and a toothbrush, dry them with compressed air then resaturate with WD-40. After a day or so wipe off excess. Do this annually and they will look new.
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It looks like you have a splitter to the rear of your engine under the vac can for the door locks. Is that correct? There should be a line that runs from your brake booster to that brass block on the engine. There should be a line that runs from the brake booster to your transmission. If you only have the single output from the brake booster then one of the lines from the brass block should go to the transmission. From the brass block one line goes to the vac can on the inner fender with a check valve. That line should split and go down and through the bottom of the firewall. From there I think it splits into smaller size pipe and goes to the neutral safety switch and beyond. There should also be a pipe from that brass fitting that runs to the vac can on the firewall for the door locks. There should be a small pipe that runs from the vac can on the fender through a rubber grommet at the top of the firewall. I think that goes to the temp control on the AC.
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Door lock vacuum reg under dash
http://www.tbirdforum.com/forums/att...1&d=1507769452 |
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