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Charcoal vapour canister on '77 CJ7...and its connections

Charcoal vapour canister on '77 CJ7...and its connections

Rdavison39

Jeeper
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Location
Oakville Ontario
Vehicle(s)
1977 CJ7. 304 H. 52,000 original miles.
2010 Wrangler 2Dr
Hi there - i have a vapour canister in my CJ7 and i'm not sure how to make all the connections properly. I have one green tube that i traced that go back to rear of the jeep that just hangs there - i suspect this is for venting the gas tank.

Does anyone have a diagram that shows where all the tubes for the vapour canister are suppose to connect to?

And does anyone have a part number for the filter cloth one uses? This one i think is the original :)

Thx
Ron
 
Last edited:
Wanted to follow up on this question regarding the Charcoal canister and in particular how to hook it up correctly on my 84 CJ7 with an AMC 360 and Holley 4 barrel carb.

I am trying to hook up the lines from the canister to the appropriate ports. I have seen the diagrams for the standard canister hookups but they always refer to the original set up. My questions are:

1. The line that ran from the ported vacuum on the canister to the carburetor, should I "T" that into the timed vacuum port on the Holley carburetor? I currently have the timed vacuum port connected to the D.U.I distributor.

2: Where should I run the line that originally ran to the carburetor bowl vent? I have read that it can be run to the bottom of the air cleaner but wanted to see if that was correct.

Any assistance/guidance that you could provide would be greatly appreciated.

Charcoal Canister 1.webp
 

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