I have the s type seats that date from the early 1990's. They are the ones with the adjustable velcro pads. The under thigh part of the passenger seat seems to have slid forward, but not off (due to a strap that now seems to be under tension). The piece that has slid forward seems to be attached via rods, which are R clipped into tubes from the seat base and are still sound and in place, but the tubes that come from the main seat base don't appear to have moved either.
Has anyone any experience of refurbishing these seats, and if so, could they explain what might have happened, and how it might be resolved? I appreciate this description may not be clear to anyone but me, and would be happy to answer any further questions. Thanks in advance.
Robert