Vacuum Hose Routing for CA18DET swaps

[NeedCAforS13]

Since many of you got motorsets and didn’t get to see how everything was routed in the clip, it can be hard to find where all the vacuum hoses go! I will post how mine are run, and anyone who wants to add how they ran their vacuum lines can do the same!

There are roughly 12 hoses on the stock vacuum system. 1 above the turbo,1 on the wastegate, 4 under the intake manifold (Grouped together),1 small one at the back of the intake, one large one on the side of the intake manifold between the #1 and #2 intake runners,1 large one at the rear of the intake (brake booster),1 under the throttle body, and then 2 one the metal plate with the ignitor.

A key note on my set up is the removal of intake manifold butterfly valves and that I’m running an SR turbo. Therefore I don’t use the solenoid on the ignitor chip (it controls the butterfly valves I believe, or maybe it’s the factory boost controller…) My SR turbo also lacks the nipple on the side that the CA turbo has. I also removed the 4 tubes under the manifold that were grouped together, and just ran vacuum lines from the sources. All those tubes did was connect the fpr, charcoal canister, and butterfly valves together and wrap them around the intake manifold. It can be removed for simplicity of installation.

I capped the vacuum line under my throttle body. I ran my wastegate signal and BOV signal (with a T) from the large nipple on the side of the intake manifold. If I was running a CA turbo, I would get my wastegate signal from the nipple ON the turbo, and use the manifold nipple for the BOV alone. The large nipple on the back of the manifold is for the brake booster. The small one on the back of the manifold is going to my FPR and boost gauge (and to my butterfly valves if I still had them). I removed my charcoal canister, so there are no lines going to it. AND THAT’S IT! Simple as can be

Feel free to add how you guys run your vacuum lines!

**Biosehnsucht, please post up the information on wiring that you had in the current FAQ in here It was really good info, and we are re-doing the FAQ section and don’t want any of it to be lost**

-Sean

[sdtouge]

i remeber 2 under the throotle body (i just looped them together and 2 on the back of the intake manifold. maybe i have it wrong though.

[niscort]

This may help



If there is a great need/desire I can translate it and redo the text

[biosehnsucht]

English one with the JDM butterflies (and their US equivalent part #'s) doctored in..