What could be the reason that there seems to be something blocking the brake pedal when I press the brake on a 207?

I have a problem with the brakes on my Volvo S80L. I've replaced all the brake fluid, but it still feels like the car doesn't stop well when reversing. The pedal is hard to press. Is it a clogged brake line, or could it be something else? Can anyone help analyze this issue?

Why does the electronic brake on the MG GS get damaged when you press the brake pedal to release it?

What could be the reason that there seems to be something blocking the brake pedal when I press the brake on a 207?

What could be the reason that the brake pedal cannot be pressed down when turning the steering wheel fully or reversing?

When the car is not started, the brake works, but after starting, the brake pedal goes straight to the floor. What could be the issue?

What could be the reason that when I press the key, the car doesn't respond and the doors won't open?

Hey drivers, anyone know why my car suddenly can't accelerate while driving? I press the gas pedal and nothing happens. 😩😩 Then, when I press the brake and then the gas pedal, it accelerates. What's going on? 😎

I have a 2016 Haval H2. Have any of you experienced a brake light fault warning when pressing the brake pedal for a long time, but the warning disappears once you restart and press the brake again?

When the car starts normally and the brake pedal becomes hard after driving a certain distance, what could be the reason?

I have a Haima S5 with an automatic transmission, and occasionally the transmission warning light turns on. But when I press the brake, it goes off! When I try to read the error code, nothing shows up. What could be the reason?