![2ad43fc6-4b4a-497b-9d9a-6508f9f81246.jpeg](https://steemitimages.com/640x0/http://steepshot.org/api/v1/image/2ad43fc6-4b4a-497b-9d9a-6508f9f81246.jpeg)
Took the wheel off of my sisters minivan and noticed that the drivers side caliper was not working. I bleed the entire system put a new caliper and the breaks are still weak. I think it might need a new Master cylinder. What do you guys think it sounds like?