For the second time in a year, my fuel tank has 'imploded' due to vacuum pressure. I have ~50L capacity remaining, but the sending unit was again smashed to bity bits. I thought, after replacing the last one, that I had solved the problem. I made sure all the hoses were clear and swapped the filler cap. Oh well, better luck next time.

Anyhow, two questions:

1) How is the system kept at a reasonable pressure? Is it the filler cap or something else?

2) Anyone have a line on a good tank or sending unit? I would need it shipped to 55605.

Thanks for reading,

Dave