Brakes bleeding

[geordie john]

Is there anyway round to bleed ABS system without buying expensive diagnostic equipment Thanks. Its on A Renault Master Tag

 

[geordie john]

What is the problem or what is it you are trying to do?
This may help your responses.

started off with changing discs and pads rear. found i had very little to no braking peddle sank to the floor thought it was master cylinder changed that then servo now i think there could be an air lock in the abs or the pumps knackered