What happens when a master cylinder goes out?
What happens when a master cylinder goes out? When a master cylinder begins to fail, sometimes the brakes will feel fine one second and lose braking power the next. If fluid is leaking past the seals inside the cylinder, the pedal may feel firm for a moment but won't hold steady; it'll feel spongy and keep sinking towards the floor. How to replace the Hydroboost unit on a Chevy Astro van? If your Astro van is performing poorly (or perhaps not at all), one solution is to replace the hydroboost. Fix your power brakes and power steering with a new...