Hi, I am doing Level 3 at college and it's quite hard, I really need some help on how the return flow pump etc works on ABS systems.

first of all,
WELCOME TO AF.


next,
it might help if you gave us a little more information on what you want and what class it is for.

read this.
http://www.aicautosite.com/garage/subsys/baabsbra.asp

it might answer your question.

if not, do a search on google and try to find what you want.

still cant find it?
come back with more specific questions.