240D algae part 6 – How I ruined my W123 fuel tank
In the last part, I used a fuel tank sealing product to seal my W123 fuel tank. This seemed to go quite well, but it turns out I had made a fatal mistake. Once I had coated the inside of the tank, I very carefully cleaned the openings for the sender unit and strainer. I made sure the threads were clear of any sealant. ...