Hi can anybody help please. We bought an 03 reg peugeot 307sw at the weekend and have taken one of the middle row seats out on drivers side but now when we try to put it back in it wont lock down at the back. The metal pins with springs on were quite stiff so we put wd40 on which has made them move a little more but they simply wont lock into the holes in the floor. The seats basiclly bounce back up when you push the seats down. We have tried applying pressure but the pins dont seem to go into the holes. Any help would be greatly appreciated.