Brake Pedal Goes To Floor Sometimes

1 leak from brake line or brake caliper.

Brake pedal goes to floor sometimes. 2010 05 30 15 18 03 2010 05 30 15 18 03. As title states my braking pedal sometimes goes to floor during driving mainly when i m in a traffic jam and using the brakes actively. Driving a 2007 volvo s40 automatic transmission. Brake pedal goes to floor sometimes but still have brakes no visable leaks.

The most common reason this happens is because you have a leak in one of your lines. Another common reason why your brake pedal may go down to the floor is because you are running low on brake fluid. The leak may coming from a brake line or one of the brake calipers. Here s an additional reason a brake pedal could go all the way to the floor.

If your master cylinder doesn t work properly or only works sometimes you re going to lose braking power and occasionally your brake pedal will go all the way to the floor. It does not always happen. The master cylinder is where brake fluid gets compressed. Viewed 629 times 3.

Technically there are two main causes that would make the brake pedal sink all the way to the floor. Brake pedal goes to floor sometimes only. The more the brakes are used the hotter the brake fluid gets. The first thing to check when your brake pedal goes to floor is to raise the hood and check the brake master cylinder s reservoir.

Check the brake fluid level. 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. Brake pedal goes to floor troubleshoot fix in under 45 minutes check for brake fluid leak. One of the reasons is the brake system loses pressure from an external brake fluid leak.

Pressure on the brake fluid cases the brakes to be applied to the wheels. Sometimes when i need to stop quickly the brake pedal goes to the floor and i have to pump it which is dangerous. It also happened a few. Wiki user answered.

There s one more thing that could be causing the brake pedal to go all the way to the floor. Using a flashlight check the level of the fluid or just remove the lid of the reservoir and look inside. If the reservoir is empty or the brake fluid level is low there is most likely a leak somewhere in the brake system. Active 1 year 1 month ago.

A bad brake booster. Asked by wiki user. Pressure on the brake fluid cases the brakes to be applied to the wheels. Ask question asked 1 year 1 month ago.

I have taken it to several mechanics for this problem and we have changed the master cylinder rebuilt the booster and machined the discs and replaced the pads.