help needed quick, which way for let vacuums!

[alan b]

hey putting an let corsa back together someone else took apart and cant figure out the vacuums around the inlet and throttle body, heres a pic of one(not mine its keiths!) can anyone tell me which it for what? cheers.
http://img.photobucket.com/albums/v37/keithrobinson/Nova%20Rebuild%202006-2007/100_3525.jpg

[belmont turbo]

http://i22.photobucket.com/albums/b325/justinwilloughby/vacpipes.jpg

[djbrowney]

hi there i am coverting am xe to a let so not really had to deal with the vacumes and sensors on the let what is no3 !

[djbrowney]

i mean no2 not no3 lol

[Lee H]

Fuel tank vent valve. No need to run the vacuums for it as its not needed but has to remain plugged in on a LET otherwise ECU light stays on.

[alan b]

ah nice one that diagram is perfect!

[djbrowney]

can i use my throttle body from my xe one or do i need to find an let one, noticed the brether which would go from my throttle body to the rover cover dosent on the let, it goes somewhere else !

[alan b]

can any one tell me what number 4 is on the above diagram? it doesn't seem to be on my turbo? is it important?