hi yes u need to remoeve the cover witha slide hammer. or another wat is to use a m8 bolt witha smaller one behind but make sure u dont snap it or u in loadsa trouble! the nut will then be revield for all to see!!!
the temp stat should be put inside the top hose for the fan to work properly just cable tied on is a bit gash if you ask me it wont get the right reading and eventually bang pop lots of smoke
another tip always use genuine landrover forks as after market ones fail even when new they are generally a lot thinner than land rove ones prsonnally changed 23 this year alone !