Pedal Goes To Floor After Bleeding

1 leak from brake line or brake caliper.

Pedal goes to floor after bleeding.

I replaced the master cylinder with a new one bench bled it before installing and bled all four wheels lr rf rr lf sequence. Had a leak on steel line over rear axle. Brake pedal goes to the floor after bleeding the brakes. Technically there are two main causes that would make the brake pedal sink all the way to the floor.

Did you go through the whole bleeding process from bench bleeding the master cylinder to bleeding the wheels furthest from the mc to the closest. The abs bleed procedure only gets rid of any air in the abs controller itself which is a pretty small amount. This happens because you are not getting sufficient power boost required to stop the car. The pedal goes all the way to the floor to stop the car completely.

Many drivers have reported that brake pedal goes to the floor after new master cylinder replacement. One of the reasons is the brake system loses pressure from an external brake fluid leak. If the pedal is going to the floor the problem is elsewhere. If the brake shoes are worn the air gap between the shoe and the drum will be enlarged making the brake pedal travel downward beyond its normal throw.

In case your car has a drum brake system after the above most common reasons for brake pedal goes to floor check your car s rear brake shoes. 1 after changing the front break pads the pedal began to sink to the floor. After replacing master cylinder and bleeding the brake lines pedal goes to the floor and brakes are not applied. I bled all four wheels using the pumping by an assitant method but the pedal would still go to the floor when pressed.

The leak may coming from a brake line or one of the brake calipers. Pedal was soft and would go to the floor unless it was pumped. Reasons your brake pedal goes to the floor. Presence of air in brake lines.