Carbon Canister removal

[Bazza-NZ]

Hey

I'm looking at removing the carbon canister completely to install my oil catch can there, as I've heard that the carbon canister ant necessary and i'm running out of room in the engine bay..

what do i do with the pipes connecting to it?

Cheers

[nt_a_foz]

Remove them as well the run down the side of engine bay down the gearbox tunnel the over the back for the gearbox..

I removed all this from mine the other day ...

[PhatRS]

Just make sure the fuel tank vent that normally goes to is rerouted under the car or into a chassis rail or your car will stink of gas all the time. Or you can block it and drill a hole in your filler cap, but stuff may fall in there......maybe.

[Guest]

Or poke the hose behind the windscreen washer bottle

[Guest boostin]

The hose runs from by the fuel filter through under the manifold to the cannister, then back up to the throttle. Just take it straight from the filter area to the throttle. Make sure you keep the 1 way valve though. Stops boost ending up in the fuel tank.

[4ORGD]

can anyone explain this abit better how do i remove my charcol cannister tank and where would the vaccum hose off the throttle body go.any chance of the car catching fire as iv heard?

[Guest loren]

I just removed the canister (and all it's crap) and the two valve, so now the output of the rollover valve goes directly to the purge control solenoid valve. So the vapour still get's burnt off in the manifold

when off throttle. You don't need the two way valve to stop boost getting to the fuel tank, as the

purge control solenoid only opens off throttle. Your car is older so maybe different?

[4ORGD]

yeh its a 89 rs.can anyone tell me what the 3 vaccum ports coming off the intake manifold are and where should they go,and also whats the one coming off the top of the throttle body.i know the left port on the intake manifold is the for the bov,fpr but i dont know what the others are for

[kamineko]

going on memory

3 on top are FPR / BOV / MAP (which goes to a solenoid first, this switches the MAP sensor between manifold/atmospheric pressure)

one of top of throttle body is for the fuel vapour from the charcoal canister - during closed throttle, the throttle butterfly valve blocks it off. the diameter of the hole is smaller than the width of the throttle flap.

from version 3 onwards, that mechanical setup is replaced by the purge solenoid, controlled by the ecu.

[QRAF]

if you don't block off the pipes is that bad? i removed the canister as i installed a zerosports intake after my afm and left the pipe that went into just hanging underneath should i block them up?

[Stoffa]

you should block off the one that goes to the purge solenoid and throttle body, it has a small chance of sucking crap into your inlet manifold.

The other one has the 2 way valve so it will let fuel vapour out or fresh air into the tank when it needs to.

Mine was stuffed into the chassis rail

[smokn4]

i just TEE'd the 2 together then run a hose from the TEE piece to the chassis rail....

anyone know if thats algd or do i need to block 1 off??? its a V1 wrx