TwinTurbo.NET: Nissan 300ZX forum - AIV Delete Assistance
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Subject AIV Delete Assistance
     
Posted by ooofoo on April 07, 2010 at 10:39 PM
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Message For the past couple of days I've been trying to clean up my
engine bay and get rid of some unneeded lines wherever
appropriate. Since I've had the car, there has been an
annoying vacuum leak that I presumed was coming from the
EGR valve malfunctioning. In any case, I had the battery out
the the car the other day to install a battery tray that I
acquired from another member. I was just doing some general
inspections and discovered that there were two electrical
connectors not hooked up from the stock boost solenoids. No
biggie, but I also discovered a vacuum hose hiding in the rats
nests of vacuum lines and cables not hooked up to anything,
the source of my vacuum leak.

This line came off of the bottom hard nipple (I know) that runs
along the plenum on the passenger side. At this point, I
decided to do some long overdue cleanup. I figure I've got a
JWT ECU and test pipes, no reason for the AIV system to be
hooked up. Long story short:

I've removed the driver side AIV unit from the wheel wells and
pulled the hose through. I then proceeded to connect the
boost sensor on the drivers side to the nipple on the plenum
per Robo's writeup. Problem is, I don't believe my vacuum
lines were connected correctly to begin with, as some things
just don't match up with Robo's write up. I do have an EBC
installed, which may complicate things more than I expected.
In any case, all vacuum lines from the AIV solenoid are
disconnected. There are TWO long vacuum hoses coming from
the passenger fender area. I know one is for AIV and does
not need to be reconnected, what about the other. PRVR?
What is this golf tee trick that people talk about? I've read
about it but I still don't understand exactly which line to cap
off.

Also, if someone who has deleted AIV could kindly post (or
email) a detailed picture of the EGR solenoid and related
vacuum lines I would greatly
appreciate it.

As always, thank you in advance.

     
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