I had a leak from the skinny large O-ring somewhere near the bearing. It leaked from wear/age , not disassembly. It leaked out of the small hole in the flange and after 8 years is starting again.I paid to have it fixed so that is all I can tell ya..

dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.