Hello gang. I have a 1988 alpha one on a 4.3L which I recently replaced the shift shaft and drive shaft seals due to leakage. After repairs unit held 14psi for over 45min. When I filled with oil the weep hole started leaking lube in about ten minutes! Is this even possible? I put the new water pump, drive shaft, bell housing taker kit in as usual. Just not sure how this is possible? Any thoughts would be devine!