The diff lock wasn't functioning on my 2003 Toyota Tacoma. In this video we'll take a stab at rebuilding the locking actuator so that it works once again.
Rebuild photo gallery: https://practicalmoto.com/2020/01/29/...

Parts Used:

/Diff lock rebuild kit: https://landtankproducts.com/products...
/Diff lock grease (Toyota part # 08887-02007): https://www.ebay.com/p/Genuine-TOYOTA...
/Black paint used in the video: https://amzn.to/3na3jGM