Re: charcoal canisters
[Re: IMGTX]
#1209081
04/03/12 02:54 PM
04/03/12 02:54 PM
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Joined: Jan 2003
Posts: 666 Anywhere the British Secret Se...
Moonraker
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mopar
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mopar
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Quote:
They are not for Vapor locking.
They are for Vapor Recovery, emission control.
They may not make the OEM ones but every car made today has them so a replacement can be had.
Mine seems to be clogged so I am probably going to replace it just so the wife can't say my car smells like gas fumes.
yah I know but if i remove it and plug the line it will vapor lock. The only purpose its really serving me now is for this and cosmetic reasons really I could do with one the same diameter to fit in the bracket towards the front of the engine and looked similiar.
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Re: charcoal canisters
[Re: Moonraker]
#1209082
04/03/12 03:00 PM
04/03/12 03:00 PM
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Joined: Apr 2003
Posts: 12,243 Looking for a way out of Middl...
IMGTX
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It shouldn't vapor lock if you plug it. The vented gas cap lets air in but pressure will build up if it is plugged. It may cause a leak. If emissions isn't a problem then I say remove it and vent the tube to the underside of the fender where it won't potentially drip on an exhaust pipe. Even if removed it shouldn't leak because the back of the car has a vapor separator and the liquid fuel should get put back into the tank but better safe than sorry.
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Re: charcoal canisters
[Re: Challenger 1]
#1209085
04/03/12 03:29 PM
04/03/12 03:29 PM
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Joined: Jan 2003
Posts: 666 Anywhere the British Secret Se...
Moonraker
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Quote:
My suggestion would be to keep it, but if you decide not to. Instead of plugging the line, connect it to the engine crankcase with a 3 nipple breather cap on the valve cover is one way to do that.
Yes I would like to keep it. Has anyone else ever "rebuilt" one of these? It seems once you remove the filter on the bottom the charcoal would just fall out. You could replace this with charcoal for aquarium filters and I did find replacement filters for the bottom of the canister. Seems easy or maybe I'm missing something?
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Re: charcoal canisters
[Re: burdar]
#1209086
04/03/12 03:38 PM
04/03/12 03:38 PM
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Posts: 12,243 Looking for a way out of Middl...
IMGTX
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Quote:
It shouldn't have a vented gas cap. The tank should only vent through the vapor line. That line can't be plugged.
Most if not all Mopars with charcoal canisters use vented caps. The vents let air in and prevent vacuum in the tank. Pressure (fumes) are released through the charcoal.
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Re: charcoal canisters
[Re: burdar]
#1209089
04/03/12 04:44 PM
04/03/12 04:44 PM
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Joined: Apr 2003
Posts: 12,243 Looking for a way out of Middl...
IMGTX
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I didn't know about the glued in Charcoal. That is good to know. Mine is spilling charcoal so it is probably non reparable. Thank You. I went round and round getting the right parts for my 70 Challenger's Fuel system. They made at least 3 different filler necks and way too many fuel caps for the Challengers (DAMHIK). Drove me nuts. If you look inside a vented cap you will see a nipple covering a spring loaded valve, on newer cars you may even see the spring. The nipple under the cap is the vent. Here is a picture of a 72-74 Challenger Vented cap and a 70 Challenger non-vented cap for comparison. Hopefully it will help.
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Re: charcoal canisters
[Re: IMGTX]
#1209090
04/03/12 05:03 PM
04/03/12 05:03 PM
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Joined: Feb 2005
Posts: 28,312 Cincinnati, Ohio
Challenger 1
Too Many Posts
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Cincinnati, Ohio
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That's pressure vacuum cap, that's not a vent. Well it is a vent but it won't open until about 1 psi according to my factory service manual. I have one for a 71 and a 74. Both years vent the fuel tank through the line that goes up front, either to the charcol canister72-74? or to the breather on the valve cover like on my 71. 74 71
Last edited by Challenger 1; 04/03/12 05:09 PM.
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Re: charcoal canisters
[Re: Challenger 1]
#1209091
04/03/12 05:14 PM
04/03/12 05:14 PM
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Joined: Apr 2003
Posts: 12,243 Looking for a way out of Middl...
IMGTX
I Live Here
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I Live Here
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Looking for a way out of Middl...
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Quote:
That's pressure vacuum cap, that's not a vent. Well it is a vent but it won't open until about 1 psi according to my factory service manual. I have one for a 71 and a 74. Both years vent the fuel tank through the line that goes up front, either to the charcol canister 72-74? or to the breather on the valve cover like on my 71.
Well I had the operation right but the terminology wrong. My wife complains about that a lot too.
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Re: charcoal canisters
[Re: Commando1]
#1209097
04/04/12 12:50 PM
04/04/12 12:50 PM
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Joined: Jan 2003
Posts: 666 Anywhere the British Secret Se...
Moonraker
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Quote:
Quote:
Anyone still making these?
Lost count how many I have thrown away. The last one just 2 days ago. Throw yours away and drill an 1/8" hole in your gas cap.
Thats just it I dont want to throw it away I would like to keep it in there for a more stock appearance. Guess I will try to clean this one up a little and see if i can "rebuild" it somehow. I found some canisters that look similiar but they dont give dimensions so I have no idea if they fit in the stock bracket or not.
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