Give it to someone who knows what he is doing. Might cost you a few hundred.
Doing it yourselt might cost you your life or someone elses.
DON'T STUFF AROUND WITH BRAKES IF YOU DON'T KNOW WHAT YOU ARE DOING. AND IT SEEMS YOU DON'T KNOW WHAT YOU ARE DOING.
And I think I should know. Have been a mechanic since 1964.