Hellfire
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| posted on 17/7/12 at 11:38 AM |
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Fuel Vapour
Since fitting a boot box a few years ago, we have long had a problem with the smell of fuel on opening the boot lid. We suspected that the cause of
this could be the fuel filler tube not being the correct specification for the job. The rubber fuel filler tube (approx 6" in length) is exposed
when the boot is opened and we thought this was where the smell was coming from.
We replaced the original tube with some filler tube from Dax but the problem still persists and the boot stinks of fuel. We've checked the tank
for signs of leakage around the pump, sender units, breather pipe and welded seems but it appears to be fine. We've also replaced the hose from
the pump to the fuel line but the smell is still present.
Any suggestions or ideas of how we can determine exactly where the smell is coming from?
Phil
 
Finished Boot
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cloudy
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| posted on 17/7/12 at 12:46 PM |
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Sure it's not just vapour from your breather being absorbed the carpet?
James
www.warnercars.com
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ReMan
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| posted on 17/7/12 at 01:04 PM |
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This old chestnut?
http://www.locostbuilders.co.uk/viewthread.php?tid=164503
www.plusnine.co.uk
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contaminated
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| posted on 17/7/12 at 03:19 PM |
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hmmm, I had this problem a while back. The issue became most evident when soon after filling up with fuel a raised cat's eye destroyed my sump
as I overtook a bike and the sparks ignited vapour at the back of the car causing a fire ball to chase me down the road (destroying the paint to the
rear of the car, my lights, number plate, neck hair and pants). While the car was being resprayed we fitted all new hoses and a one way valve on the
breather. Not happened since!
Tiger Super Six Independent
www.southernkitcars.com
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Hellfire
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| posted on 17/7/12 at 05:30 PM |
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We have a one way valve on the breather which is vented externally, so that isn't the problem. The braided fuel hose that we removed after seven
years, showed no sign of internal degradation, so I doubt that's the problem either. The smell seems to be coming through the 50mm dia fuel
filler tube somehow but the tube is nitrile lined and as it's from Dax, it should be suitable for purpose????
eBay Item This is the stuff we have fitted. Not sure if it's up to the job though. 
Phil
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contaminated
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| posted on 17/7/12 at 05:42 PM |
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quote:
Originally posted by Hellfire
We have a one way valve on the breather which is vented externally, so that isn't the problem. The braided fuel hose that we removed after seven
years, showed no sign of internal degradation, so I doubt that's the problem either. The smell seems to be coming through the 50mm dia fuel
filler tube somehow but the tube is nitrile lined and as it's from Dax, it should be suitable for purpose????
eBay Item This is the stuff we have fitted. Not sure if it's up to the job though.
Phil
On that basis I'g go with one of the comments above. I think the carpet is compounding the issue. I suspect they all have a bit of a petrol
odour, the carpet is making it linger? I'm not sure I know anyone with a carpetted boot in a kit.
Tiger Super Six Independent
www.southernkitcars.com
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Hellfire
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| posted on 17/7/12 at 08:52 PM |
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We want to cure the cause of the problem. I'm sure there are other kits which have carpetted boots that don't smell of fuel. Might try
manufacturing the tube from aluminium with as little rubber as possible unless someone knows of a filler hose that doesn't let vapour
through.....
Phil
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