Transmission leak prob help plz

[Dnxracer]

Hi o got the 93 expylorer 4x4 Eddie bauer edition. Well it got a leak on passengear side of transmssion out of one of the two circle things that are right beside the vacuum diaphrm and was wondering if they can be removed or replaced thank u I appreciate all help they've got like a plus sign groove on em that's why I was wondering

 

[91Explored]

Yes you can the rubber gets hard in the valves and will leak. Check out the A4LD rebuild thread by Glacier.