Skip the auto shop - Our mechanics make house calls

Q: Brake pedal going straight to the floor

asked by on

My brake pedal went straight to the floor as I tried to stop. I checked the fluid and it was full.

A: Hello. The brake pedal going to the floor i...

Hello. The brake pedal going to the floor is a common symptom of a faulty master cylinder. The master cylinder will usually fail due to an internal or an external leak. In your case I believe the leak is internal because generally, internal leaks are extremely slowly and the fluid level will drop very gradually. I suggest having the brake system examined by a certified technician. Being that your vehicle can not safely be driven on the road with faulty brakes, I believe you may benefit from a mobile mechanic service such as YourMechanic.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: When the hot air is turned on, the drivers side blows cold and passenger side blows hot.

Hi there, thanks for writing in. On most imports and some domestic cars, there the AC blend door distributes the air to different vents when the option is selected. This component is controlled by an electric actuator. Sometimes the fuse...

Q: hole in valve over??????/

I an sorry to hand you this news, but a loud boom followed by a stalled engine and smoke is not a very good sign. If the engine failed while low on oil and overheating at the same time, I...

Q: Car would not stop at red light - 2006 BMW 528xi

Yes, this is a possibility. Due to engine on this BMW having variable valve lift engine vacuum not always present, a vacuum pump is installed to supply sufficient vacuum to run auxiliary systems such as the brake booster. The vacuum...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...