If you step on the brake pedal and it has little to no pressure and goes all the way to the floor especially if you re getting no braking.
Passat brake pedal goes to floor.
If the booster is bad then the full amount of force needed to activate the master cylinder and pressurize the brake fluid isn t.
Check your brake fluid.
My guess is they didn t rotate the rear pistons when compressing them.
Using a flashlight check the level of the fluid or just remove the lid of the reservoir and look inside.
Here s an additional reason a brake pedal could go all the way to the floor.
I pump it to slow the car then the minimal resistence the brakes give with the pedal to the floor is enough to stop the car.
If the fluid is full then continue onto brake fluid is full down further in this guide.
Shouldn t have as last night i was driving get to a light and press the brakes straight to the floor pumped worked.
My 2 0 started having an issue awhile ago where under steady pressure the brakes would slowly lose grip and the pedal would drop to the floor.
Anytime you have a brake pedal that goes to the floor raise the hood and locate the brake master cylinder s reservoir.
As it is now when i push the brake in there is resistence the car slows down then i lose resistence and the pedal goes to the floor.
If it s low top it off to the mark on the side of the reservoir.
The booster is a mechanism that uses vacuum pressure to take the force being applied to the brake pedal and amplify it.
A bad brake booster.
A brake pedal that feels mushy spongy or that slowly sinks to the floor when depressed can be best described as brake pedal sink.
Stuff used in today s project.
Check the brake fluid level.
No brake pressure pedal goes to floor.