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Wings Update June 2010 Updates June 06, 2010 Left Wing Tank redo Proseal and install tank sensor.... - 3.0 hrs After everything I read about leaking tanks I decided to undo the tank I did and redo with just Proseal. I needed to remove the tank sensor to install the aircraft extras fuel system anyway so I actually had 2 reasons to redo it. First I removed all of the screws and pryed the fuel sending unit. I removed the rubber seal and cleaned off the old proseal. I used a die grider with a scotchbrite pad to make the removal clean and complete. Next I removed the larger insert which had the cork seal. This was even harder but I was finally able to do it. Same deal with cleaning off the old proseal and cork gasket. It really looks like this would not leak but after a year I guess the cork starts to leak so glad I am doing it now. Next I drilled the hole for the new sensor and installed with proseal. Then I installed the main tank plate and then the float sensor. I replaced the old screws with hex head allen screws per the VAF suggestions. This website was built to document my work in compliance with the FAA requirements needed to certify my aircraft. My experiences and comments are by no means to be considered as instructions on how to build any aircraft.