Why Brake Pedal Goes To The Floor

Technically there are two main causes that would make the brake pedal sink all the way to the floor.

Why brake pedal goes to the floor. Bad brake power boost unit. Check each wheel individually to see if the brake is in place and the cylinder is functioning properly. You should be able to see brake fluid underneath the car if there s a leak in the system.

If the brake pedal goes to the floor but still stops you could be having a failed brake power booster. Reasons your brake pedal goes to the floor. When the brakes leak there is no back pressure to the pedal.

The final reason for a brake pedal to go to the floor is failing axle bearing. You may have to pull the wheel to inspect. 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.

Finally if your brake booster goes bad you ll have low brake pedal issues. When you are ready to leave for work after your car has sat for a prolonged period of time check the ground underneath your car for puddles. One of the more common causes for the brake pedal going to the floor is a loss of brake fluid.

Remember to leave calipers and drums in place when depressing the brake pedal to avoid any over extension. If your brake pedal sinks towards the floor when you are stopped while your foot is on the brake or does not feel as firm when the brakes are applied this could indicate you are having some sort of trouble with your brakes. Disc or drum brakes.

One of the reasons is the brake system loses pressure from an external brake fluid leak. Axle bearings hold the brake rotor true without play while they both rotate. Another common reason why your brake pedal may go down to the floor is because you are running low on brake fluid.