Brake Pedal's Plunge to the Abyss Causes, Consequences, and Solutions

If your brake pedal goes to the floor you have a problem. If it were an older car I might suspect the brake master cylinder or even a leaking system. My braking pedal sometimes goes to floor during driving, mainly when I'm in a traffic jam and using the brakes actively. Pedal goes to the floor (or close to the floor) for only a few reasons. ... Or there is an external fluid leak. If the pdeal is not hard, there is ... Brake pedal goes to floor. How to fix a brake pedal that sinks in your car DIY with Scotty Kilmer. How to replace brake master cylinder. The reason behind this is because the seals are beginning to wear out in the master cylinder. This causes it to not be able to hold pressure at times. The ... Release it and/or pump it and it comes back to normal. It's usually the result of the piston seal failing, catch it just right and the seal ... The symptom sounds like a master cylinder(mc) seal is bad. If you don't have a puddle(a leak) this is the only thing I can think of to help. Suddenly while sitting still and in park I pressed the brake and the pedal went to the floor. I checked the fluid and it's full. Pedal going all the way to the floor is usually an indication of a bad brake booster. They are not hard to replace. I had the same exact issue, it's the Master Cylinder. It has an internal leak, just get a new one and you'll be good to go. I changed it out a ...