C-6 tranny leak

[ownedby2labs]

I got C-6 tranny in my 1978 f150 4x4 its got a 351m i noticed itwasleaking a good bit of fluid all the time checked the pan and all its soaked on the trans mount and around the pan looks like it is leaking from the top i heard that there is a tube on the top that if the preesure gets to high it leaks out of there any one have one do this what was the cause

[master_mechanic]

if the fluid level is too high in the trans. it will leak out of the vent tube.

[ownedby2labs]

hasnt been high when it leaks it dosnt level out any just gets lower nd lower