2008 Nissan Sentra Fuel door spring and white pin fell out

[tommyziegler2003]

On my Nissan Sentra 2008, I opened my gas tank from the inside with the release button. The white pin with spring fell out and the fuel door and will no longer close without it. I do not know how to put it back in. It does not appear to be broken, it just looks like it fell out. Does anyone know how to fix this? Thanks. Here is a video of what it is doing: youtube.com/watch?v=ksT9BmYCL6U

[benissimo]

Check out BL-151 in the 2008 sentra FSM. You can find it by clicking service manuals at the top of this page. Never messed with this before, but that page looks pretty comprehensive as far as the fuel door goes