Posted 14 May 2020 - 08:24 PM
Week 4 of bringing the mini back to life - have completely pulled the fuel system apart from filter to petrol tank,the tank had a lot of moisture and rusty water in it with no fuel so I pulled it all apart and cleaned it out let it sit for a couple of days plus removed the rust welded fuel filter assembly apart and built my own little system just to get the system to tick over now after sitting for a week there is a smell of fuel in the boot of the car now none of my lines seem to be leaking or weeping but can notice some semi sort of wetness beneath the tank but I’m unsure if that’s just leaked fuel from filling the tank with a petrol can a week ago when cleaning the tank there was a flaky bit of rust about the size of a 50p price floating around in the bottom of the tank which i couldn’t get out the question I have is, are there any protruding areas inside the tank that can flake off and cause a leak ?
Might be time for a new tank !
Posted 14 May 2020 - 08:56 PM
Posted 14 May 2020 - 09:18 PM
I think id take the petrol tank out of the car and have a good look at it, if in doubt, change it.
Kit352, i dont think the car is on LPG?
Posted 14 May 2020 - 09:46 PM
In hindsight I should have filled the tank before putting it in to check for leaks - I’m a bit baffled as to what the chunk of floating rusted metal is inside still
Posted 14 May 2020 - 10:38 PM
Posted 15 May 2020 - 08:50 AM
Posted 15 May 2020 - 09:16 AM
You'll probably find the bottom seam of the tank is weeping. I had the same thing, even though there were no actual drips the seam was very slightly damp and the car stank of petrol. Fitted a good second hand one in the end.
Posted 15 May 2020 - 03:29 PM
Have you connected the small bore plastic/rubber tank breather pipe to the top of the tank which then exits through a grommet in the boot floor to the outside air? If missing or split this pipe causes petrol fumes in the boot and interior of the car.
Edited by mab01uk, 15 May 2020 - 03:32 PM.
Posted 15 May 2020 - 05:31 PM
Just ripped the tank out and can confirm it was the seam around the base weeping
Over night noticed where I had wiped,was once again wet
Annoying as the tank looks mint inside and out but the seam is leaking
Second hand unit purchased and going to wait for that to arrive
Posted 16 May 2020 - 03:23 PM
So have bought a second hand tank with sender and pump included
Worse case I’ll have a spare sender and pump left over in the future in case it breaks
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