I have 1975 chrysler 90hp and put a new seal kit on the lower unit.I took it out ad when I checked the oil it was a cream color. Does any one have any suggestions to what my have caused the leak. I followed the manuel word for word and it seems to be leaking some where by the shift rod leaver and the water pump housing.And any suggetions on how I can check for leaks befor I put the lower unit back on the motor? thanks for any help.