Techincal support on we front diff for 1000 outty

Tore my diff apart today to see it spines or teeth bad on diff because have grinding noise when one tire free and other is in bind nothing looked bad but did see on spider gears there is plastic tabs on both sides and on one side it is catching gear and binding up when I turn by hand could this cause the noise and not allow diff to lock?? Plz help thanks

Techincal support on we front diff for 1000 outty

Tore my diff apart today to see it spines or teeth bad on diff because have grinding noise when one tire free and other is in bind nothing looked bad but did see on spider gears there is plastic tabs on both sides and on one side it is catching gear and binding up when I turn by hand could this cause the noise and not allow diff to lock?? Plz help thanks