Carbon cannister
Discussion
Hi Steve
Petrol tank has started to make popping and banging noises - seriously loud - and when I release the fuel cap, air rushes in some I'm assuming its a vacuum building up because the breather isn't working. The Bible says this is probably because the carbon cannister is shot and needs replacing.
Cheers
Steve
Petrol tank has started to make popping and banging noises - seriously loud - and when I release the fuel cap, air rushes in some I'm assuming its a vacuum building up because the breather isn't working. The Bible says this is probably because the carbon cannister is shot and needs replacing.
Cheers
Steve
It is there to stop any fumes that may escape from the tank vent pipe escaping to atmosphere. Any fumes are captured in the canister and under control of the ECU under particular engine conditions purged into the inlet manifold. It lives behind the cover to which the washer bottle is attached and is surprisingly heavy. In my humble opinion the tank (now your car has passed type approval) is best venting to atmosphere. The canister can then be removed and used as an ornament. Others may have a quite different opinion.
I understand they can get clogged.
I understand they can get clogged.
Still Thinking said:
Hi Steve
Petrol tank has started to make popping and banging noises - seriously loud - and when I release the fuel cap, air rushes in some I'm assuming its a vacuum building up because the breather isn't working. The Bible says this is probably because the carbon cannister is shot and needs replacing.
Cheers
Steve
Have you got a non standard/alloy petrol cap [leven or similar]. They are "too good" a fit and do not let the tank breathe. I understand that this should be the case if the breather/carbon cannister is working properly, but if not, then a simple nick in the rubber on the cap should do the trick, No more tank popping and banging, an no venting when you remove the cap.Petrol tank has started to make popping and banging noises - seriously loud - and when I release the fuel cap, air rushes in some I'm assuming its a vacuum building up because the breather isn't working. The Bible says this is probably because the carbon cannister is shot and needs replacing.
Cheers
Steve
Ah, the famous 'nick' in the rubber seal !!
Still not worked out where the 'nick' goes. I have asked the question before as I too suffer the 'bonging' petrol tank when it gets down to half full. Is it a case of cutting a slight v in the rubber or cutting a gap right through ?
Pictures would be good
Still not worked out where the 'nick' goes. I have asked the question before as I too suffer the 'bonging' petrol tank when it gets down to half full. Is it a case of cutting a slight v in the rubber or cutting a gap right through ?
Pictures would be good

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