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  #1  
Old 05-11-2019, 04:26 PM
mgmann mgmann is offline
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Join Date: Jun 12, 2007
Location: Helena Montana
Posts: 86
Another charcoal canister question

The lines leading to my charcoal canister in my 88 GW are rotting out big time. There’s no way I can get at the ones that run down behind the engine and I don’t even know if the lines that are in place are going where they should.

That being said, I live in a state with no emissions requirements and I’ve also read all the posts that talk about getting a gas smell if you remove the canister.

What if I were to remove the canister, plug the lines and replace the stock gas cap with a vented one. Would that work or would I be opening another can of worms?
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  #2  
Old 05-11-2019, 05:15 PM
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Tripwire Tripwire is offline
hey,does anyone here know how to.......
 
Join Date: Jul 30, 2000
Location: WA State
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i removed mine, did not even plug them, only very occasionally do i have a slight gas smell

steve
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86 GrandWag. Howell fuel Injected 360. MSD Ignition + Dizzy. 727/229 swap BJ's 2" Lift and 31's

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  #3  
Old 05-11-2019, 06:10 PM
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acct21 acct21 is offline
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You have to vent the tank. If you can live with the smell, just vent the cap. The lines behind the engine are hard lines; you can reach them with the rubber lines from the engine bay. The ones from the tank can't really be done without dropping the tank.
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Old 05-11-2019, 09:54 PM
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ZackN920 ZackN920 is offline
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Location: Stephenson County, IL
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to add to the above about the tank...
If ya think about it, the soft lines on the tank should be replaced too due to age. I'd keep it and replace the lines. If ya wait, you could (eventually)develop a fuel leak like my 87 dodge has up at the top of the tank. Pulling it this week to replace the soft lines on it.

Mine under the hood are getting real deteriorated looking too. Plenty of cracks if the lines are squeezed or bent with my hands. It wont be easy, but I'm pretty sure I can replace them while laying on the engine. Its not easy working on stuff back there, but it can be done. I'll do that when I do valve cover gaskets (because I'll have to get it all out of the way anyways...)
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AMC 360, TF727, NP229, 3.31gears, 2" lift
Rancho 44044, Rusty's 2" AAL, TFI
...still kinda rusty

The other's
1987 Lincoln Town Car "Signature Series" 5.0, AOD unknown gears (new quicky project)
1987 Dodge Dakota LE 3.9,A999TF,3.90gears(DD)
1994 GMC 'Burban L05-5.7,4L60E,3.73gears(DD)
2001 Jeep Cherokee Sport 4.0,AW4,3.73gears(thinkin of selling)
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  #5  
Old 05-12-2019, 06:52 PM
johnsonic johnsonic is offline
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Join Date: Mar 12, 2015
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Both of the Wagoneers I've had came with the canister detached and the rubber hose just venting to the engine compartment. I did smell a tiny bit of gas on the last one, but this one not so much.

There's probably a better / safer place to vent gas fumes than the engine compartment though.
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360
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Magnum Roller Rockers
Wiseco -21cc Forged Pistons
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1987 GW deceased
...but the parts live on
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  #6  
Old 05-12-2019, 08:37 PM
mgmann mgmann is offline
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Join Date: Jun 12, 2007
Location: Helena Montana
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I'm real close to trying this.....

I'm getting real tired of dealing with all those leaky vacuum lines and think I'm going to remove the canister and everything that goes with it.


Has anyone tried using an older style vented cap rather than having the lines vent into the engine compartment?
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  #7  
Old 05-12-2019, 08:42 PM
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babywag babywag is offline
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Lot more work to remove it all than just replace the hoses.

If you yank it the carb bowl, PCV, and distributor vacuum is all routed to canister.
Be sure to adjust the hose routing accordingly.
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'88 GW (aka Babywag) and '90 GW (aka JUNKbucket) both fuel injected
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  #8  
Old 05-13-2019, 09:47 AM
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acct21 acct21 is offline
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Tony's right -- it isn't that difficult to replace the lines, and they serve a good purpose. I had an insane fuel leak from the vents plugging on top of my tank -- replaced them, along with 100% of the soft lines from the tank to the hard lines, and from the hard lines to the canister. Now everything works just like it's supposed to, and I don't have to smell gas in my garage.
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  #9  
Old 05-15-2019, 10:23 AM
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tgreese tgreese is offline
 
Join Date: May 29, 2003
Location: Medford MA USA
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Quote:
Originally Posted by acct21
Tony's right -- it isn't that difficult to replace the lines, and they serve a good purpose. I had an insane fuel leak from the vents plugging on top of my tank -- replaced them, along with 100% of the soft lines from the tank to the hard lines, and from the hard lines to the canister. Now everything works just like it's supposed to, and I don't have to smell gas in my garage.
+1 for Tony and Acct21. Just fix it. Not difficult.
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Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS, hubcaps.
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