1 leak from brake line or brake caliper.
2003 silverado service brake system pedal goes to floor.
When applying the brakes pedal goes all the way to the floor and cannot stop very well.
Have replaced all calipers m read more.
If your brake pedal sinks all the way to the floor when you press there can be many possible culprits for this problem.
One of the reasons is the brake system loses pressure from an external brake fluid leak.
Also if a leak occurs in the system it will be unable to build pressure due to the lack of fluid causing the brake peddle to travel to the floor which can be followed by the brake system.
So i ruled out the master cylinder since i just replaced it last week.
A common example is you might find the brake pedal goes to floor but still works.
I can still stop.
Reasons your brake pedal goes to the floor.
Brake system is the most important part of your vehicle and failure in them might be really costly.
Until and unless your brakes are working fine there dose not seem to be a real trouble but the uncomfortable feel of brakes being floored might be due to air leak in to the braking system or the brake shoes might be poorly adjusted or the pressure checking valve might not be working properly.
2003 chevy silverado 4x4 4 wheel disc brakes abs 5 3l.
I have a braking issue.
Technically there are two main causes that would make the brake pedal sink all the way to the floor.
I looked all around the truck for leaks from brake fluid there is none and the brake resiviour sorry for the spelling is still full.
I bled the brakes and the master cylinder at least 10 times.
The brake system in your car is a sealed hydraulic system and relies on close tolerances between the brake pads and rotors or the brake shoes and drums.
The leak may coming from a brake line or one of the brake calipers.