Removed my UIM for the first time. Keep solenoids or not?
 

I recently installed a manual boost controller and blocked off the wastegate actuator and turbo precontrol actuator bleeder lines that run to the solenoids.

Today I removed the UIM for the first time and am trying to tidy things up in there. Following the clubrx.org VFAQ, I removed a pair of solenoids from the UIM pictured here:

http://www.clubrx.org/media%5CHowToP...5CDSC02850.JPG

I am assuming these are the wastegate and prespool solenoids and if that's the case is there any reason I shouldn't just remove them for good instead of putting them back? There are 4 vaccum lines, 2 for each solenoid. I figure 2 of them head down to the hard pipes near the actuators but I don't know what the other 2 are for. Suggestions?

I also capped off the AWS pipe while I was in there. I plan to leave the AWS electrically disconnected as well. I don't have any blockoff plates at this time. Is it alright just to remove the pipe that goes to the tbody elbow (installing a GReddy anyway) and cap it off? Seems that most people are using blockoff plates.

Thanks!

If you are running the stock ECU (or rechipped stock ECU), you will get a CEL by disconnecting the solenoids:

http://fd3s.net/engine_codes.html

Whether or not it will throw the car into limp mode; I don't think you want to find out.

Do you have an after market ECU ? If you remove the solenoids and do not put in the correct resistors the stock ECU will give codes and go into limp mode . The left sol is turbo precontrol the right one with the white paint is wastsgate control

Ah that answers that, thanks guys!

Tonight's fun
 

Okay I've worked a bit more on changing out the vaccum lines, cleaning the ISC, flipping around the TPS to clear my greddy oil filter housing, etc. A few new questions I hope you guys can help me with:

1) I've identified the 4 check valves that I'm going to replace. They're all green/white. However, there's something that looks like a check valve that runs from the UIM to the MAP sensor. What's this and should I replace it?

https://www.rx7club.com/attachment.p...d=181436&stc=1


2) I wasn't paying very close attention when I removed the vacuum lines from the rear of the UIM -- assumed they'd all be the same. Oops. One of these three apparently runs the double throttle actuator on the UIM. I *assume* it's the one with the check valve but I've been wrong before. Any help here?

https://www.rx7club.com/attachment.p...d=181437&stc=1


3) All vacuum lines and ports are accounted for except this guy. Nothing appears to be hooked up to it and it doesn't have the characteristic "clean spot" you get when a hose was removed, indicating it hasn't been used previously. Safe to ignore this?

https://www.rx7club.com/attachment.p...d=181438&stc=1

Thanks guys, you've been a tremendous help so far. I'm almost done with this and then I'll shut up and stop asking questions for a long time, deal?

The first pic is the filter that leads into the map sensor, not a check valve.
The third pic looks like the hard line that's only used on automatics, safe to ignore on a manual FD.

as for the 3 pipes in the 2nd picture---> The pipe on the right with no one way valve runs the double throttle,,,, the middle and left one both go to the inlet manifold vacuume nipples.

Do a search for the vacuum hose diagram. I dont have it with me or I'd post it for you. It shows you exactly where all the vacuum hoses connect to. This is also in the factory service manual.