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fuel tank splitting (how can i bybass canister?)
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Author:  zook95 [ Sat May 21, 2011 5:22 am ]
Post subject:  fuel tank splitting (how can i bybass canister?)

hey guys just another problem on the zook,
i was wondering why the zook was using so much fuel so i had a look and once again my fuel tank has split this is the second time,
to me i think this is a vacume, is this true?
and would this be related to my stalling problem?
cheers in advance

Author:  mnemonix [ Sat May 21, 2011 5:49 am ]
Post subject:  Re: fuel tank splitting

Check your fuel tank breather isn't blocked. It runs from the top of the tank through to the charcoal canister in the engine bay.

I've had a tank split because of this.

The 2 obvious signs were the tank visibly getting sucked in at times after driving, and a rush of vacuum when i'd open the fuel cap at the servo.

Author:  zook95 [ Sat May 21, 2011 5:56 am ]
Post subject:  Re: fuel tank splitting

yeh it used to sound like opening a shaked bottle of coke when i used to take the fuel cap of so i drilled a hole in the cap and since then it doesnt do it cheers mate i will have a look at that breather

Author:  stockman [ Sat May 21, 2011 6:00 am ]
Post subject:  Re: fuel tank splitting

I thought it was normal to suck in air when you take the fuel cap off.
Every car that I have owned has.

Author:  ajsr [ Sat May 21, 2011 7:58 am ]
Post subject:  Re: fuel tank splitting

a properly designed tank should have 0 to very slight positive pressure.
depending on breather type.

Author:  boostedbrick [ Sat May 21, 2011 8:08 am ]
Post subject:  Re: fuel tank splitting

I would be worried if i had any sort of vacum in a fuel tank. The sound you hear when you open the cap is fuel vapor escaping. Thats why there is only so much useable space in a tank, as fuel expands as it heats..

I would be checking breathers and charcoal canister lines if there's a vacum.

Author:  skyman [ Sat May 21, 2011 8:11 am ]
Post subject:  Re: fuel tank splitting

A vacuum will also starve your engine for fuel, it is fairly common problem here. we don;t get many over pressure problems, but to me if the tank splits I would think it would be because of positive pressure, not a vacuum?

Author:  zook95 [ Sat May 21, 2011 11:33 am ]
Post subject:  Re: fuel tank splitting

skyman wrote:
A vacuum will also starve your engine for fuel, it is fairly common problem here. we don;t get many over pressure problems, but to me if the tank splits I would think it would be because of positive pressure, not a vacuum?

so how you said it starves the engine what will this cause because maybe all this leads back to my stalling and idling problem could this be why?

Author:  shakes [ Sat May 21, 2011 11:34 am ]
Post subject:  Re: fuel tank splitting

might not be why, but it might be making a minor problem worse.

Author:  zook95 [ Sat May 21, 2011 11:52 am ]
Post subject:  Re: fuel tank splitting

shakes wrote:
might not be why, but it might be making a minor problem worse.

thats true im going to have a look at the breather tommorow and clean it all up,

Author:  zook95 [ Thu Jun 02, 2011 12:19 am ]
Post subject:  Re: fuel tank splitting (how can i bybass canister?)

hey guys got my new tank in and cleaned out lines but for now i want to bypass(unplug) my fuel tank lines from the canister will this make my car run worse? or will it make my tank splitting problem better as i think my carbon canister is blocked???
cheers luke

Author:  Ben_Sierra [ Thu Jun 02, 2011 12:53 am ]
Post subject:  Re: fuel tank splitting (how can i bybass canister?)

I don't have a charcoal canister, and mine runs fine :helloo:

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