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| OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS |
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14-06-2006, 05:21 PM
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#1 | ||
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Regular Member
Join Date: Nov 2005
Location: Melbourne, Vic
Posts: 448
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Yo,
I got a new ISC today as my old one (pictured below) crapped itself but the only problem is that its missing the hollow brass conector that fits into the pipe which goes to the rocker cover. The car operates fine (better than before) but i just wan't to know what this does and if it is essential to have it connected. I could just drill a new hole into the ISC and use the old Brass fitting but i would have to tap a thread in too and the CBF factor plays a role in this matter. I think this hose just sucks fumes out of the rocker cover but i'm not 100% on it. Me thinks maybe this is only for LPG since the new ISC comes without a predrilled and tapped hole???  Cheers men. |
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15-06-2006, 12:35 PM
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#2 | ||
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Regular Member
Join Date: Nov 2005
Location: Melbourne, Vic
Posts: 448
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15-06-2006, 12:48 PM
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#3 | ||
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Oops, I slipped....
Join Date: Dec 2004
Location: Adelaide, SA
Posts: 1,861
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It's part of the PCV (Pressurised Crankcase Ventilation) system. The engine basically needs it to stop the crankcase pressure building up, otherwise you'll start blowing seals and leaking oil.
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1995 EF Fairmont 5.0 Heritage Green - BTR with TCI 2500 stall - Ported E7's - Pacemaker Tri-Y's - 3" Mandrel-bent Lukey Exhaust 1984 XE S-Pack 250 Sno White - LPG - Single Rail - 2.5" Exhaust "Just because you don't understand something, does not make it wrong" |
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15-06-2006, 03:37 PM
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#4 | ||
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Regular Member
Join Date: Nov 2005
Location: Melbourne, Vic
Posts: 448
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Well it all makes sense now, it's because i have LPG that it's coming through there instead of where the black cap is. I guess i will just have to drill a new hole and tap a thread. Thanks.
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15-06-2006, 03:56 PM
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#5 | ||
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Regular Member
Join Date: Jul 2005
Location: narre warren vic
Posts: 415
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I havew a ef late 95 model and it doesnt have that the pcv goes into the manifold direct ? you could use it as an excuse to install a catch can and not worry about modifying your brand new unit.
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15-06-2006, 04:09 PM
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#6 | ||
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FF.Com.Au Hardcore
Join Date: Aug 2005
Location: Northern Tablelands
Posts: 940
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positive crancase ventilation system which recycles crankcase vapours back into the cylinders,it stops blow by until the engine is so old nothing works.
and nothing goes through that black cap,i think it's a vent of some kind,don't touch it.
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2000 AU Wagon Last edited by naughtyfalcon; 15-06-2006 at 04:27 PM. |
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10-07-2006, 05:22 PM
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#7 | ||
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Regular Member
Join Date: Nov 2005
Location: Melbourne, Vic
Posts: 448
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Old thread now i know but just for some closure the reason it WAS going to the ISC is because i have a gas system fitted and it was more for convinience if backfires occur. I change the sparks/leads regularly so backfires will hopefully stay away. I saved myself the pain of drilling a new hole (in a brand new $120 ISC+1 mistake= costly) and just attatched the pipe to the normal location below the intake manifold with a nice strong hose clamp ;) thanks guys.
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Isc
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