AE82 4AGE intake vacuum lines correct placement

[Al]

Fitted up stock airbox to my NZ GT today. It came with a shiny pipe and K&N pod, good for the booBAA TVIS, looked shit though.

How are the vacuum lines supposed to be hooked up? I just mounted the solenoid onto the airbox and kept the lines the same as when the car had the pod, however I've got a picture of another NZ GT that has them mounted differently. What happens to the two spare ports?

My engine bay



Possibly how it's supposed to be?



What do these do?

[GDII]

This might help.
Vacuum piping
http://jp-carparts.com/toyota/partlist. ... 3&fig=1708
Air box
http://jp-carparts.com/toyota/partlist. ... 3&fig=1703
EDIT:Heating and other things
http://jp-carparts.com/toyota/partlist. ... 1&fig=8717

[Frogo]

Haha that would be my car

You need the idle up solenoid to take air before the throttle body, so cut one of those vacuum lines shorter and connect to the other side of the airbox. Not sure what the other ports do (probably an emission thing), so just block them off. The solenoid operates when the headlights, rear demister or brakes lights are in use, giving you a few more rpms to account for the extra load.

[Al]

Sweet thanks.

My car has had PS retro fitted. The FXGT that I raided parts from had a fat vacuum hose going from the larger black port on the airbox to something on the firewall, the TB was missing so couldn't see where it's vacuum lines went.

[Al]

So swapped in a shorter line on the solenoid to take a feed pre TB. Low and behold, idle went up from 600-700 with the fans, lights, stereo, demister etc on to ~900rpm. When the fan kicks in it creeps up to 1000rpm. Boom.

Had a look at the P/S pump, it has a valve on it, with two fittings with no vacuum hoses attached. Will investigate more about where to put these.

[Frogo]

This should point you in the right direction http://forums.club4ag.com/zerothread?id=56627

[GDII]

The first link I posted has the W/PS vacuum lines shown. This should help too haha.

[Al]

Nice. Mines still got the little valve for non-PS cars installed. Next weekends job.