Self closing hinge cams wore out and broke

Emptied door shelves and removed top pivot hinge bracket. lifted door of lower pivot and set aside.

Removed vent-toe base and replaced hinge 'L' bracket and cam.
Removed two bolts from bottom of door and inserted new plastic cam.
Set door back on lower pin and re-attached top hinge bracket while aligning door.

Replaced articles back in door and watched it as it it self closed. Total time, less than 15 minutes excluding cleaning of equipment while dis-assembled.