On 10 Mar, 14:31, wrote:
Seat is becoming slack & no longer self closes. Pan seems to be all in
one with cistern on top of back. How do I get to the bolts holding
the seat to tighten them. Will I have to pull the pan away from the
wall?

I have a (recently fitted) similar pan with soft close seat attached
by "blind bolts" from top only - the hinge of the seat has a cover
released via small screws - then the tops of the blind bolts are
visible

hope it helps
jim