i have problem when i apply my brake and it is that it hisses like if air is coming out and also is hard to brake the car. does anyone know what it is cuz i need to know.
Oh no my friend. It's not good, I can tell you that. Could be as simple as the vacuum line to the booster. But I doubt it. I had the same problem, literally the same problem, only a few weeks ago. Wasn't a vacuum line, it was the brake booster. New booster = ~ $300 - $400 dollars plus installation if you don't have a place to do it yourself.