If you're having trouble with the rears, there is 2 things that prevent you from rolling it flat.
1. there is a bead of sealant that sits in the inside edge, if you remove the sealant, you'll get more room for rolling.
2. It's 2 pieces of metal you are actually trying to roll so it's difficult. There's an image floating around that explains it better but I can't find it.
https://www.1addicts.com/forums/atta...1&d=1396024799