why would coolant keep leaking in the oil i already change the intake gasket

on 1997 Ford E-350

why would coolant keep leaking in the oil i already change

2 answers
Possibly head gasket or cracked block. Hope for head gasket. Head could be warpped too as the reason it's leaking. So you might have to have it or both shaved. This can happen if it has overheated. So check thermostat, hoses.
did you install it correctly? common rookie error