diff oil seal

[ssc1]

has anyone ever changed the diff front oil seal without dropping the diff ,as i have a leak coming from the nose end of my chims diff ,looking at the paperwork its been leaking for about two years now but i think ill do it as its a sod to keep topping up, and before anybody says take it to a dealer ,forget it , its a 94 4.0 with 60k any info will be a help thanks...

[ssc1]

thanks paul i'll give you a bell when i'm ready...is the diff the same as fitted to the sierra cosworth ..