Brakes Going to Floor? Diagnose and Fix It Like a Pro

It's not uncommon for the seals inside the Master Cylinder to get damaged if the brake pedal is depress or pushed ALL the way to the floor while ... Misaligned brake shoes. If your car has rear drum brakes and the brake pedal goes to the floor, the rear brake shoes could be out of alignment. Some things I would check: 1. Is the fluid level dropping in the reservoir? Check for leaks throughout entire system. 2. Look at the fluid in the reservoir and ... A sinking brake pedal slowly drops to the floor as you exert the same pressure. You'll be able to feel the pedal sinking when you're stopped at a stoplight or ... My first guess would be a bad master cylinder, if you don't have an external leak somewhere and if the pedal doesn't begin to "firm up" after ... You either have a leak (which wouldn't result in a full reservoir), air in the lines, or more than likely a bad Master cylinder. I'd put my ... Consensus on this issue is, Check vacuum to booster for leaks. then bleed the crap outta the breaks using a tube and jar. Could be the flexible rubber tubes ... Air in the system. Make sure you are bleeding them in the proper order and that the reservoir doesn't go empty. If it does you end up with air ... Wagner Brakes recommends the following procedure to find out if the problem is a bad master cylinder or a leaky EH valve in the RWAL system. in that case it looks like the fluid return cup on your master cylinder piston is swollen,closing off the orifice, preventing fluid from ...