On my 2002 Troll, I notice that the 4 bolt heads on the top of the pop top that the catches are held by are starting to show signs of rusting. Clearly this has been an ongoing problem as there are also signs of them having been painted before. I will clean them and repaint now but am wondering about replacing them with Stainless steel. Has anyone done this, perhaps? My main question is does anyone know the bolt size used? I'm a little cautious to do it as I don't want to disturb something that could allow water ingress...

Any advice gratefully recieved..

Edit: I've changed the title to more accurately reflect what I was actually changing

Aren’t the bolts you see on the roof the ones that attach the scissor mechanism?

Yes Tony, of course you are correct. Silly me.. And Colin, thanks, just what I needed to know. Very helpful..

Thanks both...