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Help Identifying Factory Vac Lines

mistermeena

By mistermeena,
in General Maintenance

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mistermeena Enthusiast

mistermeena

Posted
Posted

Hi all I'm trying to sort out some wayward vac lines in my engine bay. I've just bought the car and it has two bov's fitted, the factory one and a blitz one, and I'm trying to delete the blitz one and get the car through a roadworthy. From what I've read on here the factory one should suit my needs so I'll probably just leave the blitz one off. This is my first skyline, and in fact first turbo car so I'm flying blind a little here.

The blitz bov has a line attached which runs back to the intake mani collector, to a fitting identified in the manual as "to canister". The factory bov appears to be correctly connected as far as I can tell.

From the top of the throttle body there is a hose which is terminated with a bolt (visible under the Nissan logo in first pic) - although the fitting on the throttle body is visible in the manual, it's not identified for some reason so I'm wondering where this goes?

Lastly there is a random metal line (second pic) next to the radiator which is not blocked or connected to anything. I tried to follow it and I THINK it runs along the rail and across the firewall then possibly down under the car. Can anyone identify this for me? Could this be the mysterious "to canister" line?

Thanks.

post-133052-0-46196500-1393927669_thumb.jpg post-133052-0-64275200-1393927643_thumb.jpg

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ARTZ Grand Master

ARTZ

Posted
Posted

the blocked pipe from the TB and the metal line are both for your charcoal canister which has obviously been removed...the line going to your blitz BOV is also meant to go to charcoal canister, just block it off with a bolt.....it an also be used for a boost controller if you run one...

Also check your stock BOV hasn't been blocked off with a metal plate or something

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mistermeena Enthusiast

mistermeena

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ok thanks mate. Where would the charcoal canister normally be located - up front near that open metal line? Any idea if its absence (or having blocked vac lines) is likely to be a problem for a roadworthy inspection?

As for checking the stock bov, do I just check where the whole unit mounts to the flange as well as under the larger hose that runs back to inlet?

One other random question that's bugging me: the radiator fan spins full-time - is this normal or shouldn't it be switched on temp? I read some threads saying they can seize up but mine still spins freely by hand when the engine is off

Got a Pulsar Grand Master

Got a Pulsar

Posted
Posted

Charcoal canister should be mounted up front next to the metal pipe and will be a roadworthy issue.

See in the Green Circle.

post-78856-0-97666000-1393935055_thumb.jpg

Unbolt the BOV from the flange, there should be a gasket with a hole in it.
If there's no hole it's blocked.

Radiator fan always spins and if you can turn it by hand easily it's not seized.

ARTZ Grand Master

ARTZ

Posted
Posted

yeah its located right where the metal line is...depends on who does RWC ..i got mine passed without one but looking at all that brown crud on your radiator its looking like its pretty messy mate...best way to get past any RWC is first of all have a clean car..And yes that includes your engine and undercarriage

Just take the 2 bolts off the stock BOV..there might be a flat plate blocking it off...if not good...

Fan will always spin...it just loads up at temp but it will always spin...

mistermeena Enthusiast

mistermeena

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Yeah planning to clean it up its just red dust from up here. This is actually after I hosed it once the stuff was everywhere under the car

My rwc guy isn't too picky, but if there's obviously something missing - like a bunch of vac lines with bolts in them - he might send me home. If I cant find a canister locally I might just try to slip it past him :)

Thanks heaps for help guys. Hopefully on the road SOON

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