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carbon canister

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Old Mar 18, 2004 | 11:02 PM
  #1  
1fast91rs's Avatar
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From: windsor locks,ct
Car: 1991 RS
Engine: 305 LO3(TBI)
Transmission: TH-700R4
carbon canister

i have removed the air system and want to remove the charcol canister but i see that there is a couple connectors plugged into it plus there is some vaccum line attached to it so i was wondering if i unplug the harness and the vaccum lines can i just cap the lines and unplug the connector and will i be fine?
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Old Mar 19, 2004 | 04:46 AM
  #2  
ede's Avatar
ede
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From: Jackson County
it's part of the fuel system, you need to leave it alone.
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Old Mar 19, 2004 | 09:31 AM
  #3  
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From: Bloomingdale,IL
Car: 91 RS
Engine: 305 Tbi (L03)
Transmission: 700r4
Its not gonna get you anymore power either so theres really no reason to do it. Unless you like pouring fuel out of your tank onto the ground. Then go ahead and tear the thing out.
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Old Mar 19, 2004 | 11:33 AM
  #4  
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From: windsor locks,ct
Car: 1991 RS
Engine: 305 LO3(TBI)
Transmission: TH-700R4
so there is not way for me to get rid of it?i just wanted to clean up the engine bay alittle and what does the canister do for the fuel tank i thought it was for emissions?
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Old Mar 19, 2004 | 11:36 AM
  #5  
ede's Avatar
ede
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From: Jackson County
basically it's the vent
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Old Mar 19, 2004 | 12:06 PM
  #6  
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
if you really want more detail, do a search, but heres the jist:


when you suck the fuel from the tank, it needs a vent to let air back it to displace the fuel.

also when the tank gets warmer, the gas(air) inside expans and needs a place to go

if it was just a regular vent, your gas would evaporate out.

the canister lets air in and out but makes the fuel vapor remain in the tank.
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Old Mar 19, 2004 | 12:16 PM
  #7  
Stekman's Avatar
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Yup if you do a search, you will see that there are ways to hide it and simply re-route the lines.
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Old Mar 19, 2004 | 01:18 PM
  #8  
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From: Maryland; USA
just relocate out of the way.
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Old Mar 19, 2004 | 03:19 PM
  #9  
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are you talking about the canister in the front right of our engine bay.. b/c if so i took mine out and ui havent had a fuel leak or problem? is there somehting i should know?
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Old Mar 19, 2004 | 04:32 PM
  #10  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by red85berlinetta
are you talking about the canister in the front right of our engine bay.. b/c if so i took mine out and ui havent had a fuel leak or problem? is there somehting i should know?
You will be fine but you will lose some fuel vapors out into the air.
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Old Mar 20, 2004 | 01:53 AM
  #11  
1fast91rs's Avatar
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From: windsor locks,ct
Car: 1991 RS
Engine: 305 LO3(TBI)
Transmission: TH-700R4
yes i am but i am wondering what all has to be removed and what i have to do with the unhooked hoses and harness plug?
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Old Mar 20, 2004 | 12:51 PM
  #12  
red85berlinetta's Avatar
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well how much fuel do you think im loseing?
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Old Mar 21, 2004 | 08:53 AM
  #13  
dankhound's Avatar
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From: Bloomingdale,IL
Car: 91 RS
Engine: 305 Tbi (L03)
Transmission: 700r4
Its hard to measure as a volume because its vapors. I didnt mean youd literally be dumping fuel on the ground.
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Old Mar 21, 2004 | 09:06 AM
  #14  
red85berlinetta's Avatar
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o well looks like ill be going out there today and puttin it back on there b/c i measured my MPG the other day and i was only getting around 8mpg so somthing isnt right
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Old Mar 24, 2004 | 11:31 AM
  #15  
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
i took mine off, there was no electrical connectors on mine, maybe cause the computers gone? all i did was put a small inline filter on the end of the hose that goes to the gas tank so nothing will get into my tank. i havent seen any problems so far. If all the fuel was dumping out in vapor form, wouldn't it do the same with the canister on just go into it?
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Old Mar 24, 2004 | 11:42 PM
  #16  
1BadGTA's Avatar
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From: Grand Forks ND
Car: 1989 Trans Am GTA
Engine: 5.7 Liter
Transmission: 700R4
You can do without it. Mine had to go after I installed the cold air kit. There wasn't any room for it. The only concern you should have is the line that connects to the canister that emits fuel vapor. I bought a small fuel filter that fit perfectly and inserted right into the tube (which is facing upword) which will makes things a lot safer, and absorbs the gas fumes you'd otherwise smell. The car runs perfect without it. That is what I would recommend...
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Old Mar 25, 2004 | 02:00 AM
  #17  
1fast91rs's Avatar
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From: windsor locks,ct
Car: 1991 RS
Engine: 305 LO3(TBI)
Transmission: TH-700R4
which line do i have to install the filter on?
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Old Mar 25, 2004 | 05:49 AM
  #18  
Ryknow86's Avatar
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
its the line that goes back next to the steering column and along the side towards the gas tank.
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Old Mar 25, 2004 | 07:08 AM
  #19  
1fast91rs's Avatar
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From: windsor locks,ct
Car: 1991 RS
Engine: 305 LO3(TBI)
Transmission: TH-700R4
any pics?
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Old Mar 25, 2004 | 11:02 AM
  #20  
Ryknow86's Avatar
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
i could have some pics up when i find my digi cam, but for now the rubber line should run between the wheel well and the steering column, under the brake booster, then down the side all the way to the tank. on my car, right about at the firewall it became a steel line. ill try to post a pic if i can find out where my digital camera went...
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Old Mar 25, 2004 | 01:37 PM
  #21  
1BadGTA's Avatar
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From: Grand Forks ND
Car: 1989 Trans Am GTA
Engine: 5.7 Liter
Transmission: 700R4
It's the tube emitting the gas fumes in the front right side(passenger side), next to the air cleaner. It is probably your best alternative. The fuel filter I used is very small. Sometimes when I'd get done driving the car I could hear the gas 'gurgling' in that line and I could smell gas fumes, so plugging the tube with a fuel filter made things a lot safer and took care of the vapors. Before, I would just unscrew the gas cap to relieve the pressure.
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Old Mar 25, 2004 | 05:52 PM
  #22  
Ryknow86's Avatar
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
i thought the tubes near the air filter were connected to the canister not the tank???
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