Remove the top trim to allow access tot he top of the doors and then you will see how to unlock the catch on the roller assembly and pull the post of the assembly out of the coupler screwed to the top of the door. Unlock the post by sliding the tab away and back on each post. slightly lift the door and slide the post out of the coupler and the door is free.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7