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Unread 03-28-2009, 01:24 PM   #1
gettrdone
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Keep or remove charcoal canister?

I had a very bad problem with oil going back into my intake so I installed a breather on the valve cover, I then was going to simply change my air filter when I remembered I had an intake from my previous '04 wrangler. I had to hack it a little to make it work but it saved me a few bucks on buying a new filter. However I now no longer have a bung for the charcoal canister hose. I have since caped it off and have not noticed a fuel smell or any decrease in mileage. Is there any reason other than emissions to keep it? By the way I am in an area that does not have emissions testing, other than to check for a catalytic converter.

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Unread 03-28-2009, 02:19 PM   #2
WellingtonPFunk
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I'd say emissions is a pretty good reason to keep it on.

But when I bought my '88 YJ the previous owner had removed the charcoal canister (along with a bunch of other botched "repairs") and the thing stank up the garage with raw fuel smell when parked overnight. If parked for more than about 2 days I'd start to smell it in the basement next to the garage.
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Unread 03-28-2009, 04:33 PM   #3
bigh20rnr
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Yeah I agree with keeping the charcoal canister even if you get rid of everything else, it seems to keep the fumes down.
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Unread 03-28-2009, 04:36 PM   #4
green89yj
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I don't even think mine is connected but I don't know. Isn't there supposed to be a line that goes back to the tank?
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Unread 03-28-2009, 06:39 PM   #5
speepdaedeesi
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charcoal canister is on the left side when looking at the motor from the front bumper right?

right below the battery?
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Unread 03-28-2009, 06:49 PM   #6
green89yj
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No. I am pretty sure that is a vacuum reservoir. The charcoal canister is on the other side under all the brake stuff. Down by the radiator overflow bottle and the washer fluid reservoir bottle. Near where the ICM is located.
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Unread 03-28-2009, 07:01 PM   #7
Nates93yj
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Quote:
Originally Posted by green89yj View Post
No. I am pretty sure that is a vacuum reservoir. The charcoal canister is on the other side under all the brake stuff. Down by the radiator overflow bottle and the washer fluid reservoir bottle. Near where the ICM is located.
ding ding ding.......we have a winner. right below the brake stuff like said above
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Unread 03-28-2009, 07:23 PM   #8
krd
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i removed my canister, no smell at all.
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Unread 03-28-2009, 09:44 PM   #9
green89yj
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yes. I got one right. : I have been messing with some emissions stuff and I am thinking about ripping a lot of it out. The PO has a bunch of stuff doubled back and corked up with bolts and such.
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Unread 03-29-2009, 12:37 AM   #10
ayerightaye
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Ive had mine out for a couple years now and occasionally will get a wiff. Hasnt affected anything else though
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Unread 03-29-2009, 07:53 AM   #11
buckshot500
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I found the charcoal canister, & the rollover valve need to be properly connected or I get the fumes at the back of the jeep.

Fuel vapors are flammable, mmm-kay?

If you decide to reconnect it all. Then these diagrams might be helpful.



Also the rollover valve & it's related rubber connector are available from the jeep dealer for YJ's.

The white plastic part is the rollover valve p/n j5360058. $10.00 at the dealer. Usually these are just fine & can be re used. The black rubber part is the connector. p/n 53004047 is about $30.00 at the dealer. These are usually dry rotted. There is supposed to be a plastic clip, which holds the metal line to the forward bulkhead of the compartment that it lives in.
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Unread 04-04-2009, 11:04 PM   #12
green89yj
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sweet. thanks man. those diagrams are awesome. I wanna get some of that hooked back up. So the rollover check valve goes to where? and the carb bowl vent is the one just below that right? I have the carter so we might be speaking two different languages here.
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Unread 08-09-2009, 02:27 PM   #13
jesseleikerjeep
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Quote:
Originally Posted by buckshot500 View Post
I found the charcoal canister, & the rollover valve need to be properly connected or I get the fumes at the back of the jeep.

Fuel vapors are flammable, mmm-kay?

If you decide to reconnect it all. Then these diagrams might be helpful.



Also the rollover valve & it's related rubber connector are available from the jeep dealer for YJ's.

The white plastic part is the rollover valve p/n j5360058. $10.00 at the dealer. Usually these are just fine & can be re used. The black rubber part is the connector. p/n 53004047 is about $30.00 at the dealer. These are usually dry rotted. There is supposed to be a plastic clip, which holds the metal line to the forward bulkhead of the compartment that it lives in.
Anyone have a similar diagram/photo combo of the 2.5L so I can figure out my 1991. I know nothing of these motors and want to make sure everything is straight when I start tearing and ripping. Trial and Error is ok, but this is my DD.....
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Unread 08-09-2009, 05:43 PM   #14
DriveTooMuch
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Can we get a diagram on how to clean it too please.
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Unread 08-09-2009, 06:07 PM   #15
tclaremont
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Huh. I am still trying to figure out how to uninstall 200k miles of dirt.
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