Bathtub drain mechanism failure - help needed

[Carey]

We had this file for our old tub drains, most with pictures of the step by step processe.

Step by step for a plug link drain (the type with a grate at the drain):
http://www.ehow.com/how_5113913_repair-b...drain.html

Lift & Turn repair:
http://www.ehow.com/how_4833773_bathtub-...-type.html

Repair a trip lever drain:
http://www.wonderhowto.com/how-to/video/...se-191625/

After a couple of repairs, we went with replacing the linked system with the toe pop up….