Porthole-ESC
Senior Member
I changed mine over a couple yrs. ago & they leaked using 85W-90 gear oil & these seals.
https://www.ebay.com/itm/271731266620
Redid it with these seals & this oil no leaks now.
https://www.ebay.com/itm/373444123822
https://www.lucasoil.com/product/hub-oil/
Did you also get the proper driver for the seals?