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Post by dhb5610 on May 13, 2021 15:16:52 GMT
Hello All
Ive got a P5B saloon and there is a smell of petrol more prominent in the boot area we checked everywhere and can find no sign of a leak anywhere. Any help or advice would be helpful please.
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Post by lagain on May 13, 2021 16:28:22 GMT
It could be a pin hole in the tank, caused by rust from inside the tank, which one of our members had. Perhaps have less than half a tank of petrol to rule out problems at the top and check the pipes in the boot area.
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Post by dhb5610 on May 13, 2021 18:10:51 GMT
It smells all the time full or empty we've checked round everywhere and can't find a leak anywhere. Short of going round with a lit match I'm at a lose. It's not the original tank it's was new from Wadhams or Dave Green as I recall. The original tank was taken out and repaired and as a last resort I'm thinking of getting it refitted
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Post by p5andrew on May 13, 2021 20:30:13 GMT
I know you were joking, but a lit match is definitely NOT the way to go!
Seriously though, assuming all unions are tight, the pipes are all sound and the tank is OK, I would try replacing the cork gasket between the tank sender unit/fuel outlet plate on top of the tank. The cork can become denatured after a long period and begin to leak. Even the smallest of flaws in the seal will produce a strong petrol smell in the boot. Replacement gaskets are readily available from the usual sources and are inexpensive. While you have it all apart, I would make sure the gauze filter to the bottom of the unit is clean.
Another common cause of problems is the short lengths of rubber hose which link the tank inlet to the filler unit. The pipes can become hard with age and if really bad can split.
I once had the dreadful experience of seeing an elderly couple burnt alive when their Austin 1100 became a fireball just as they were leaving our petrol station forecourt after filling up. Later examination by fire experts showed that this was the result of a longstanding minor petrol leak which suddenly became more major. Petrol is tricky stuff and not worth the risk.
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Post by dhb5610 on May 13, 2021 21:04:35 GMT
Thank you for your help I have suspected the inlet pipe as the cause for a while and will get a new one fitted as I said the tank is new and not the original one which had to be sent away for repair I don't want to change the tank unless it's absolutely necessary
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Post by Phil Nottingham on May 13, 2021 21:37:27 GMT
The filler cap seal may be perished which allows petrol to spill - it should drain out through through the rubber tube which may also be leaky or dislodged but in any event fumes will still leak into the boot and the cars. It may well be the rubber and nylon hose joints and unions and these are easiest to check first and next the gauge
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