1994 ford f150 manual transmission leak

Ok, i was under my truck and noticed that my transmission is leaking fluid on the cross member, I know it had been rebuilt not to long ago, from do you think its building up to much preasure or a clog doing this please email me back See how to fix minor transmission fluid leaks in your 1994 FordI changed the fluid in my 1994 F150 5 Speed Manual Transmission (Mazda) After the fluid change I developed a leak from the top rear of the transmission.