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Re: [GMCnet] smog/vent? [message #74450 is a reply to message #74408] Sat, 20 February 2010 09:57 Go to previous messageGo to previous message
Terry Skinner is currently offline  Terry Skinner   United States
Messages: 379
Registered: January 2004
Karma:
Senior Member
Yep, the PO had these two systems connected together. With all the
info you guys sent I now have the systems seperated and the tanks are
ready to go up. <VBG> This is a good handling GMC and looking forward
being on the road again. Places to go, people to see, things to do.
Thanks............Terry

On Fri, Feb 19, 2010 at 8:23 PM, Ken Burton <n9cv@comcast.net> wrote:
>
>
> Terry,
> I'm NOT looking at any documentation but here is what I remember.  Mounted on the top of each tank is a vent fitting.  It is all by it's self and not part of the pick up assembly that you removed to get to the socks.  The two fittings (one from each tank) are hooked by a hose to a TEE just sitting somewhere on top of the tanks.  It is probably on top of the rear tank.  From that "tee" another hose runs to a the fuel separater mounted in the left wheel well.  A second hose from the fuel separater runs along the frame rail to the front charcoal canister.  If you have a California coach like mine there will be two fuel canisters plumbed in series.
>
> One note on that separater.  It is a floating ball check valve that is suppose to shut off if liquid gasoline enters to prevent liquid from entering the line to the charcoal canister.   So connecting the correct line to the each port of the separator is  important there.
>
> I hope this is the info that you wanted.
>
> Ken B.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
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--
Terry Skinner
253-686-2624
Roy. Washington
'76 GMC
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