I know it is part of the steering, but what is it called and what is running through the lines hooked into it? I think the one on the passenger side is leaking.

[IMG]local://upfiles/17403/0E70BB00136E45E4BC89EBE01886CF45.jpg[/IMG]

 

That's the rack&pinion steering assembly, and yup there's oil in it.

 

Can you drain the fluid? if so, what all do you do?