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Old 12-22-2014, 10:13 AM
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Charcoal Canister help

HELP- I finally decided to track down the vacuum tubing and I am lost. THe charcoal canister was already hooked up except for what I think is the vacuum line. Looking down at it, the port is the big round thing/port located on the left side. The PCV and fuel returns are already in place.

Where does that vacuum line hook up to ?? Also, my EGR is capped, do I really need it and if so where does that go. There is whats left of some probe/sending unit on the side of the block down low but nothing is connected to it.

Also the heat tube that connects to the front of the air cleaner is not present, and there is a flap thing on the top of the air horn. Does this need to be hooked up.

The CJ seems to run fine as it is so any advice is most welcome.

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Old 12-23-2014, 12:37 AM   #2
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My 74 has a roll over valve inside the rear quarter panel on the drivers side. The vacuum tube will connect to it. It should have a couple tubes hooked from the valve to the fuel tank and one that routes to the front to the canister. Mine is missing the charcoal canister so I cant help with the other connections on the canister. My EGR has been removed and capped so I cant give you much help there. I would guess that if you have to have an emission inspection, everything will have to be there and connected.

https://sites.google.com/site/1974jeepcj5/74-TSM

This link is for a 74 Technical Service Manual. Not sure what year you are working on but Chapter 4A is the emission equipment chapter. Has info and pictures/diagrams that might be of assistance.

Hope this helps.

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Old 12-23-2014, 08:32 AM
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deanp,

THanks for the input. Here in Texas vehicles over 20 yrs only have a safety inspection. So the emissions part is good to go. I'll crawl under there later today have a look see.

Steve
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