Fuel and Ignition Fuel Pumps and Systems, Ignition and Spark Systems

Help with hooking up Evap fuel vapor canister.

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Old 06-10-2008 | 01:24 AM
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crazypurgatory's Avatar
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Question Help with hooking up Evap fuel vapor canister.

On my 1997 Camaro Z28 I had to replace my fuel pump and my fuel vapor canister lines came off.
I found this on Shoebox's page http://shbox.com/1/evap_system.jpg
But I can't tell how the lines hook up
I need to find out where all the lines go I believe there are "three"?
Thanks for any help you can give me.
Old 06-10-2008 | 07:28 AM
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Did you scroll down on that pic to see the canister and the three lines labeled?
Old 06-10-2008 | 10:49 AM
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oops OK so one goes to the tank and one goes to the line.
I guess the third line goes up to the engine.
Thanks,
Old 06-12-2008 | 10:52 AM
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OK let me see if I got these lines right.
The purge tube gets connected to the metal line next to the fuel return.
The Tank tube with the valve on it gets connected to the tank.
And the air tube gets connected to nothing open to the air?
It looks like it's time to buy a service manual.
Thanks,

Last edited by crazypurgatory; 06-12-2008 at 11:00 AM.
Old 06-12-2008 | 07:26 PM
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There is a vent line under the car, attached to the differential at one of the brake pipe clamps. It might go to that, but it's hard to tell where anything goes under there for lack of space.
Old 06-12-2008 | 09:01 PM
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Originally Posted by shoebox
There is a vent line under the car, attached to the differential at one of the brake pipe clamps. It might go to that, but it's hard to tell where anything goes under there for lack of space.
Yea I see that one.
From what I can tell the middle one stays open becauase thats where it pulls air through that port.
Thanks,
Chris G.
Old 06-14-2008 | 01:04 PM
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I have no idea where this line goes to.
http://www.flickr.com/photos/crazypu...49252/sizes/l/
One line comes off the canister and goes down by the return line.
One line comes off the tank and gets connect to the canister with the valve on it.
There is one thats on the gas tank that has a plastic bell on it that stays on the tank.
But I have this third hose I have know idea where it goes it must go on the fresh air port on the canister but where do I run it over the top of the tank?
If I do that it will get pinched off when I put the tank in.
The only thing I can think of is putting it on the rail of the tank where all the other lines are at but I just don't know.
I don't want problems after I put the tank up and have to pull it down.
thanks,

Last edited by crazypurgatory; 06-14-2008 at 01:14 PM.
Old 06-16-2008 | 03:59 PM
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Question

Is there nobody that has my answer?
Old 07-16-2008 | 07:31 PM
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There is room for those lines, but it is very tight. The lines run up one of the depressions in the tank over to the filler area. I accidentally pinched one of them last time I had the fuel tank out and had to wiggle it into the right groove on the tank to keep it from happening again. A bit of tape helped out.
Old 07-16-2008 | 07:42 PM
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Originally Posted by nov194
There is room for those lines, but it is very tight. The lines run up one of the depressions in the tank over to the filler area. I accidentally pinched one of them last time I had the fuel tank out and had to wiggle it into the right groove on the tank to keep it from happening again. A bit of tape helped out.
Thanks I just left it some where on top of the tank or on the side rail of the tank.
In any case I can pull the line out so it's not pinched.
I figured it just sits there.
Old 07-17-2008 | 12:11 AM
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Yeah, there is a line that just goes knowwhere from the sending unit, it just goes along the rail to open air, i'm sure its just a vent tube, the pixture you showed looks like it.
Old 07-17-2008 | 10:02 PM
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Good info in this thread.
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