I replaced the sagging headliner in my Civic and made this video on the process. It is not a complex job, just time consuming - patience required!

This video has tips I learned along the way, I cover the removal, cleaning, material selection, recovering, and re-installation.

Intro - 00:00
Removal - 00:32
Cleaning - 13:23
Fabric Selection - 18:40
Recovering - 20:40
Re-Installation - 28:01
Wrap-Up - 27:27