Brake Pedal Goes to Ground Don't Delay the Fix

The pedal went to the floor. It was the scariest thing. The technician didn't bleed the brakes after he swapped the master. He said he was going ... Comments8 ; Possible Reasons for Spongy Brake Pedals - It's Not Air in The Lines. The Clay Way · 159K views ; Low Brake Pedal ? It's not air in the ... If your pedal goes all the way to the floor and you have no leaks, the master cyl is bypassing and needs to be replaced. If the brake pedal is going to the floor do you have air trapped in the system. You will need to bleed the brake system to get all of the air ... I have a good pedal with the engine off but when I start it it just goes to the floor. I had to replace one of the rear wheel cylinders too bc i bled the ... If there's no brake fluid on the ground and the reservoir level isn't going down, then the problem is a failed seal in the master cylinder. Start at the master cylinder, loosening the brake lines and bleeding from there. Pump it up, hold it down, bleed. If there's air there, it takes a while. Yes, the pedal should drop when the engine is started and vacuum is supplied to the booster, but the pedal should not go all the way to the floor! Reasons for a brake pedal going to the floor. 1. Leaks. You say you have none. 2. Bad master cylinder. You say you replaced it. 3. Bad brake booster. 4. Air in ... If the pedal is solid after exhausting the servo system and with the engine stopped - there is no air trapped in the system. It's normal for the ...