How do you replace the oil pump on a 1996 mercury villager?

not sure if there is a cross member in the way of getting the oil pan out or not?? just get under neath and look.......drain the oil obviously......... unbolt the oil pump replace new one....not to hard of a job unless you own a mustang which you have to lift the motor to remove the oil pan ...it just all depends on were the cross member is at...if your oil pump went and you have drove it at all you may wanna uncap one of your main bearing and check it .....look for copper