silver280zx Posted September 1, 2008 Share Posted September 1, 2008 I have searched around and cannot find anything about this problem. Ok, I have a january 1979 s130 2 seater manual car, so it can be a little different from other s130's, but I found a disconnected vaccum nipple on the bottom part of my throttle body, and wondered what it was, and what vaccum line is supposed to connect to it. Is it the Throttle valve switch? Quote Link to comment Share on other sites More sharing options...
Hyuri Posted September 2, 2008 Share Posted September 2, 2008 Looks like that's supposed to connect through the TVV then BPT on its way to the EGR valve. Not sure though; I'm not too good at reading the FSM pictures without the real deal to compare with. Quote Link to comment Share on other sites More sharing options...
silver280zx Posted September 2, 2008 Author Share Posted September 2, 2008 Ya, Ill try to get a picture of it up somehow. Is there supposed to be a vaccum hose connecting it to the throttle dampener? Quote Link to comment Share on other sites More sharing options...
silver280zx Posted September 2, 2008 Author Share Posted September 2, 2008 Ok, here we go, I circled the nipple in red. Thanks. Quote Link to comment Share on other sites More sharing options...
Hyuri Posted September 4, 2008 Share Posted September 4, 2008 I'd download a copy of the '79 FSM from XenonS130 and check out sections EC, EF, and ET. Page ET-10 would probably be the best starting point, as it has the vacuum diagrams. OTOH, if that's your manifold pictured, it may not as the manual only shows 2 small vacuum fittings on the throttle body and that TB seems to have 3. One should go through a tee to the distributor advance and the carbon canister, the other should go through the TVV etc. assuming it's a North American car. A Canadian model would have another tee in place of the BPT, the third side of which would lead to the air regulator at/near the connection for the FICD actuator. If any of those devices are missing, you're on your own: the emissions devices were almost completely different by '83, and I have a California model to boot. Quote Link to comment Share on other sites More sharing options...
silver280zx Posted September 4, 2008 Author Share Posted September 4, 2008 The only one i am really wondering about is the one i circled, and yes it is a US model, but the weird thing is that its a Jaunuary 79 model, and i have encountered differences in wireing, so vaccum lines i could see being different as well. thanks -Tyler- Quote Link to comment Share on other sites More sharing options...
silver280zx Posted October 4, 2008 Author Share Posted October 4, 2008 So i looked at the diagrams and traced both lines, 24 and 25 and they went to where they were supposed to go accept for 24 which went from the carbon cannister to a T and went to the distributer and to a vaccum line on the brake booster. Is the vaccum line on the brake booster supposed to connect to the nipple on the throttlebody? Quote Link to comment Share on other sites More sharing options...
silver280zx Posted November 5, 2008 Author Share Posted November 5, 2008 So after playing around with the throttle body and vaccum diagrams, I still am not sure what to do. On other cars, i dont see a secondary vaccum line going from a t at the brake booster hose to the T at the distributer. In the diagram, it shows the carbon canister, the vaccum advance, and the throttle chamber nipple the only ones t'ed together. Does anyone just have a picture of their stock setup at the throttle chamber? Quote Link to comment Share on other sites More sharing options...
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