How Do You Bleed A Master Cylinder Brake?
If you’ve just rebuilt the master cylinder on your vehicle or you’ve purchased a new or remanufactured one and are about to install it, you’re going to want to bench bleed it first. This step will save you time and energy since the master cylinder is the heart of the hydraulic brake system. If there is air in it, it’s going to take quite a while to work its way through the system. Place the master cylinder in a bench vise tightly and securely so that the reservoir is level and not tilted. Attach the master cylinder bleed kit to the master cylinder outlets. If you’re using the supplied kit, the fittings may be plastic. One of the fittings should be threaded and the other will have a hose adapter for it. Clear hose is recommended so that you can see the fluid and whether it contains air bubbles when it comes time. Some of the cheap kits that come with the master cylinders may supply nontransparent colored rubber hoses that make it impossible to see. Slide the hoses onto the fittings. You
